What does it mean that we are in an "extinction crisis"?

Answers

Answer 1
Hello,

The extinction crisis mainly means that we are in a "mass extinction of plants and animals".

Reason:

A extinction crisis mainly means that are planet have be losing many species of animals or plants since the mass extinction of the dinosaur's approximately 65 million years ago....

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit

Related Questions

How does the brain generate consciousness?

Answers

By knowing it exists

Final answer:

The brain generates consciousness through complex neural networks responsible for cognitive functions and awareness. Consciousness is considered an evolutionary advantage for efficient navigation and interaction with our environment. It also poses the 'hard problem' of understanding the emergence of subjective experiences from physical processes.

Explanation:

How Does the Brain Generate Consciousness?

The question of how the brain generates consciousness is a profound one that has intrigued scientists, philosophers, and thinkers for centuries. According to Christof Koch, "consciousness is everything you experience." This includes sensations, emotions, thoughts, and the awareness of these experiences.

Biologically speaking, the human brain is composed of a complex network of neurons that interact with each other to process information. This neurological activity underlies our cognitive abilities such as perception, interpretation, imagination, and memory. Consciousness arises when we are able to be aware of these cognitive processes and can reflect on the experiences - an action called introspection.

From an evolutionary perspective, consciousness developed as an advantageous trait for survival, enabling humans to engage with their environment in more sophisticated ways. For instance, consciousness allows for the planning and execution of complex tasks while unconscious mechanisms handle routine functions, making our brain activities more energy efficient.

However, consciousness also poses the hard problem, which is understanding why and how subjective experiences arise from the physical processes of the brain. Neuroscience reveals that brain activity is associated with our decision-making processes, suggesting that even what we perceive as conscious choices are determined by unconscious neural computations.

One aspect of consciousness is self-reflection – the ability to think about oneself within the larger context of the universe. This self-consciousness is a byproduct of the matter itself, including the atoms in our brains, reaching a level of complexity capable of reflecting upon its own existence.

Overall, an optimal accounting of consciousness needs to not only define it but also explain its origin, purpose, and how it affects our neurobiology. Despite the challenging nature of understanding consciousness, it remains an essential aspect of the human experience and cognition.

What type of lipid is estrogen

Answers

Lipids are commonly known as fats found in the human body. It has three (3) categories, and they are mainly known as triglycerides, steroids, and phospholipids. Estrogen is one of the popular lipids traced in the body. This kind of lipid falls under the category of steroids for it is a hormone responsible for the development and regulation of the reproductive system of females.

Which tool would you use to predict the percentage of offspring that will have a specific trait? Microscope Flowchart Pedigree chart Punnett square

Answers

Punnett square is the answer to your question

A Punnett square is a diagrammatic tool that is used to predict the percentage of offspring that will have a specific trait during a cross between two parents.

What is a Punnett square?

A Punnett square is a very useful tool in the study of genetics which is used to predict the offspring that a cross between two parents will produce.

The Punnett square provides information about the genotype as well as the phenotype of the offspring.

It also provides information about the ratio in which the genotype and phenotype of the offspring occur.

Therefore, a Punnett square is used to predict the percentage of offspring that will have a specific trait during a cross between two parents.

Learn more about Punnett square at: https://brainly.com/question/3522181

what does the muscular system do for your body

Answers

Answer:

It permits movement of the body, maintains posture and circulates blood throughout the body

Explanation:

What are the four components necessary for a plant to perform photosynthesis?

a.chloroplasts, sunlight, carbon dioxide, and water
b. ribosomes, seasons, carbon dioxide, and dew
c.ribosomes, sunlight, oxygen, and water
d.

Answers

the answer is A. I don't believe ribosomes really have anything nothing to do with photosynthesis
a chloroplasts, sunlight, carbon dioxide and water

TCS foods must be time and temperature controlled

Check all that apply

When throwing food out

Being held/displayed for sale

While thawing

When cooking

during storage

after four hours

at receiving

Answers

Honestly, I thought that TCS was TSC as in Tractor Supply Company. And I was like uhh what? Why does TSC sell food?
Final answer:

TCS foods must be time and temperature controlled during cooking, storage, and after four hours.

Explanation:

TCS foods stands for 'Time/Temperature Control for Safety' foods. These are foods that require specific temperature control to prevent the growth of harmful bacteria and ensure food safety. In the given options, the correct choices for when TCS foods must be time and temperature controlled include:

When cooking: This is important to ensure that the food reaches the proper internal temperature to kill any bacteria present.During storage: TCS foods need to be stored at the correct temperature to prevent bacteria growth. This includes refrigeration for perishable items.After four hours: If TCS foods are left at room temperature for more than four hours, bacteria can multiply to unsafe levels. After this time, they should be discarded to ensure food safety.

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What is the independent variable and dependent variable in a Cartesian diver?

Answers

Final answer:

In the Cartesian diver experiment, the independent variable could be the pressure applied to the system, and the dependent variable is the depth at which the diver sinks or floats. Pressure is plotted on the x-axis and diver depth on the y-axis in a graph. The y-intercept is the depth at which the diver is when no pressure is applied, while the slope shows how depth varies with pressure.

Explanation:

In a Cartesian diver experiment, the independent variable is the variable that you control or manipulate. This could be the amount of pressure applied to the closed system in which the diver is located. The dependent variable is the result of that manipulation, which in this case could be the depth at which the diver sinks or floats.

For example, if you squeeze the bottle containing the Cartesian diver, you are increasing the pressure; this is your independent variable. The response to this, the depth at which the diver moves, is the dependent variable because it depends on the pressure applied. In a graph depicting this relationship, the applied pressure would be plotted on the x-axis (horizontal), and the diver's depth would be plotted on the y-axis (vertical).

The y-intercept in a graph represents the value of the dependent variable when the independent variable is zero. If we consider a straight-line graph formula y = mx + b, where m is the slope, and b is the y-intercept, the slope indicates how much the dependent variable changes for a unit change in the independent variable.

Ursus is the___ and maritimus is the ___

Answers

Ursus is the genus and maritimus is the species

Answer:

1.genus

2.species

Explanation:

100% on edg

Arrange the steps of energy production in the correct order.
1 consumption of food
2 cellular respiration in mitochondria
3 breakdown of starch into glucose
4 absorption of glucose molecules
5 creation of ATP

Answers

Here are the correct steps involved in energy production: 

Step 1 - Consumption of food
Step 2 - breakdown of starch into glucose
Step 3 - absorption of glucose molecules
Step 4 -cellular respiration in mitochondria
Step 5 - creation of ATP

ATP is the end-product of aerobic respiration and this occurs in living organisms as soon as they have begun metabolizing the food that they have consumed.

The correct order of energy production includes consumption of food→ Breakdown of starch into glucose → Absorption of glucose molecules → Cellular respiration in mitochondria → Creation of ATP (Energy). ATP is the form of energy in the cell.

What is Energy production?

Energy is produced from the food we consume. Energy is derived from the catabolism of food particles we eat. The food consumed is broken into glucose, this glucose under cellular respiration. Aerobic respiration is the process which includes oxidation of glucose through glycolysis, Citric acid cycle, and Oxidative phosphorylation to produce 36 to 38 molecules of ATP.

The correct order of steps involved in the production of energy include:

Step 1 - Consumption of food

Step 2 - breakdown of starch into glucose

Step 3 - absorption of glucose molecules

Step 4 -cellular respiration in mitochondria

Step 5 - creation of ATP

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Explain using complete sentences where on the HR diagram you would expect to find a main sequence star based on its physical properties.

Answers

Explanation:

The Hertzsprung-Russel Diagram also known as HR diagram is stars' scatter plot showing the relation of luminosity or absolute magnitude vs spectral class or surface temperature. The main sequence stars can be plotted on a HR Diagram as a diagonal band as their physical properties vary a lot.

The mass of these stars ranges from about a tenth of that of the Sun to about 200 times the mass of the Sun. Inside these stars Hydrogen fusion results in Helium. 90% of the stars, including the Sun, in the Universe lies in this category.

Their surface temperature lies in the range of 2500 Kelvin to 40000 Kelvin.

Answer:

hr 9000

Explanation:

Identify the fungus type pictured below.

Answers

That would be ascomycota or sac fungi. Sac fungi are characteristically known for producing ascus. This is a sac-like structure that contains haploid spores called ascospores. Some examples of sac fungi are yeast, truffles, morels and dead man's fingers. 
It is sac fungi, I'm 99 percent sure of it. Have a great day. :)

While observing some ants, a group of German scientists noticed that the ants had an excellent sense of distance. Wondering how this was possible, they decided to perform an experiment. First, the scientists taught ants to retrieve food from a feeder placed near the ants' home. Then, they removed the lower portion of some of the ants' legs to make them shorter. They also attached tiny stilts to some of the other ants' legs to make them longer. Finally, the scientists watched the altered ants attempt to retrieve food from the feeder. After several trials, the scientists found that the ants with shortened legs walked toward the feeder but stopped short of it. On the other hand, the ants with lengthened legs walked past the feeder. Which of the following conclusions can be made given this information?
A. Altering an ant's leg length has no effect.
B. The ants on stilts were more off balance than other ants.
C. The ants were no longer interested in the food.
D. Ants count their steps while walking.

Answers

Hi there!

The answer would be D, that ants count their steps whole walking, because the amount of steps are either longer or shorter depending on whether the ant has stilts or not, and this is caused by the ants counting their steps.

Hope this helps!

Answer: Option D

Explanation:

The conclusion is that the ants counts their steps while walking and because of this there was no difference in the number of steps they walked.

The ants with smaller legs stopped before food and the ants with larger legs moved ahead from food.

The study and the experiment shows that the ants count their steps while moving forward. They track the path of other members that move forward them by counting steps.

What is a Winter Storm Warning?

Answers

A Winter Storm Warning means a winter storm is occurring or is about to occur in the area, usually within 36 hours.
It’s a warning that is sent out to a specific area. It occurs when there is a Winter Storm about to happen.

Hope this helps!

A farmer has a herd of cattle with an average weight of 1,000 pounds. He breeds a group of his heaviest cattle, which have an average weight of 1,800 pounds. The weight of each offspring is listed below. Offspring 1: 1,648 pounds Offspring 2: 1,640 pounds Offspring 3: 1,718 pounds Offspring 4: 1,794 pounds What’s the average weight of the offspring? The average weight of the offspring is pounds.

Answers

the answer is 1700 pounds

Answer:

The average weight would be 1700 pounds.

Explanation:

Given,

Weight of,

Offspring 1 = 1,648 pounds,

Offspring 2 = 1,640 pounds,

Offspring 3 = 1,718 pounds,

Offspring 4 = 1,794 pounds

Since,

[tex]\text{Average}=\frac{\text{Sum of all observations}}{\text{Number of the observations}}[/tex]

Hence, the average weight of the offspring

[tex]=\frac{1648+1640+1718+1794}{4}[/tex]

[tex]=\frac{6800}{4}[/tex]

[tex]=1700\text{ pounds}[/tex]

Which diagram shows the pathway of energy through an ecosystem?

A. producer → carnivore → herbivore

B. producer → herbivore → carnivore

C. herbivore → producer → carnivore

D. carnivore → herbivore → producer

2. Which term names an environmental change that occurs very quickly?

A. succession

B. deforestation

C. global warming

D. regrowth after volcanic eruption

Answers

Question 1:
The correct answer should be the one that shows the producer first, (->) followed by the herbivore, (->) with the carnivore last.
Producers are organisms that harvest their own 'food' using things like the sunlight and water. Examples of producers are grass and other vegetation.

[tex]Producer [/tex]
The herbivore, or an organism that consumes only vegetation and/or algae, consumes the producer.

[tex]Producer [/tex] ⇒ [tex]Herbivore [/tex]
The carnivore consumes meat, or other animals such as the herbivore. It's the last. 

[tex]Producer [/tex] ⇒ [tex]Herbivore[/tex] ⇒ [tex]Carnivore[/tex]
Therefore the answer is B
____________________________________________________________
Question 2:
 I'm pretty sure that succession as well as regrowth after volcanic eruption (Just look at Mount St. Helens. After 30-35 years after the eruption, nature is still recovering) happens over time/slowly. I would say global warming [C](?) would be the answer. 

Producer → herbivore → carnivore is the pathway of energy through an ecosystem.

Global warming is the term of an environmental change that occurs very quickly.

Pathway of enegry through an ecosystem

The producer feeds on plants and make their own food. Herbivore feeds on producer and carnivore feeds on herbivores. Global warming is responsible of climate change in the whole world. This global warming is responsible of melting of glaciers due to increase of temperature.

So we can conclude that option B and C are the correct answers.

Learn more about ecosystem here: https://brainly.com/question/15971107

In a forest ecosystem including rabbits, wolfs, foxes, and plants, what are two possible reasons the rabbit population might decline?

Answers

One reason could be that there are a high number of predators killing rabbits in large quantities. Another is there may not be enough vegetation for the rabbits. They may also have a different animal competing for the same kinds of plants they eat. 

Answer: There are too Many predators for the rabbits to hide from and The Food supply can decline over time, leading to less food for the remaining rabbits

In the 1990s, scientists showed that Archaea and Bacteria are very different groups of organisms. How did this impact the classification system of organisms?
The levels of classification decreased.
The levels of classification increased.
The trinomial nomenclature was introduced.
The binomial nomenclature was introduced.

Answers

The answer is B. The level of classification increases. In 1950 scientists grouped all living things into five kingdoms which include animals, plants, bacteria, fungi and protista. It was untill 1990 that the scientist realized that bacteria and archaea have different distinct characteristics.
Its B hope this helps =)

Human activity has led to clear cutting of the world's rainforests. Which is the best explanation of why this change has been detrimental? A) Cutting down the rainforest disrupts some trading routes. B) Cutting down the rainforest has created more land on which to grow food. C) Cutting down the rainforest makes the areas less desirable for tourists. D) Cutting down the rainforest destroys the habitat for a number of species

Answers

D :D hope it was right I'm not sure but I'm trying so if it is ur welcome
D would be the most logical answer cause your destroying the animals and the population in that areas home causing the most likely answer to be D

how does the cell membrane help maintain homeostasis for the cell?

a. it helps the cell move

b. it regulates the temperature of the cell

c. it controls the growth of the cell

d. it controls what comes in and out of the cell

Answers

I feel like its A because cells cell can homoeostasis by regulating the movement of substances so it would help move the cell.

Hope this helped!

The correct answer is D

I remember learning this

Hope this helps
~Jordan~

Which element in southeast desert ecoystembl is abiotic

Answers

Abiotic being non-living or sterile could cover a lot of elements in a desert ecosystem. Rocks, water, sand and such.

Hope this helps!

-Payshence xoxo

the illustration shown is an ovum, female sex cell. a mutation in this cell may be passed to the woman's offspring during

Answers

Would it be fertilization? That’s when the sperm fertilizes the egg.

The illustration shown is an ovum, a female sex cell. A mutation in this cell may be passed to the woman's offspring during D sexual reproduction.

A mutation is a change in the DNA sequence of a cell. These changes can occur spontaneously or be induced by environmental factors. Mutations in the DNA of sex cells (sperm and ovum) are particularly important because they can be passed to the next generation.

The ovum is one of the two sex cells involved in sexual reproduction. It contains half of the genetic material required to form a new individual. If a mutation occurs in the DNA of an ovum, it alters the genetic information that will be passed to the offspring.

Complete Question:

The illustration shown is an ovum, a female sex cell. A mutation in this cell may be passed to the woman's offspring during A birth. B mitosis. C DNA replication. D sexual reproduction.

Which two elements primarly make up a nebula?

A) hydrogen and oxygen
B) hydrogen and heilium
C) heilum and oxygen
D) carbon and oxygen

Answers

B is the answer hope this helps
the answer is  b hydrogen and helium 

how would the body wave affected if red blood cells have low levels of hemoglobin

Answers

You could be considered to have an ameia disease. There are many different types. One can help malaria grow called hemmoragic anemia.

Hope this helps!! ;))
Have a grat day!! <3

If a tall stem is a dominant characteristic, in which case is the character of tall expressed

A: when both alleles contain instructions for tall

B: when at least one alleles contains instructions for tall

C. when at least one parent is tall

D:when both parents are tall

Answers

The answer to this question is (A:When both alleles contain instructions for tall) hope it helps and have a great day!
Im pretty sure its A.... I took the test.. Good Luck
Mark me Brainliest plz.. if possible:)

you notice a sign in a parking structure that says "Warning: This area contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm". How can these harmful chemicals affect your DNA?

Answers

They can enter your blood stream (via breathing/ingesting) and once in your bloodstream they can enter cells and mutate your dna, which can cause cancer/birth defects/ reproductive harm

Answer:

High-dose chemicals can damage DNA causing genotoxicity, which is defined as damage to DNA or genes. And this can be aggravated since many chemicals have had little toxicological evaluation.

Explanation:

The cancers are caused by mutations in the DNA throughout the life of a person, in such a way that obeying the causative factors, in this case the chemicals, they leave a mutational pattern in the genome of each tumor. There is an interesting biomarker called TGx-DDI, which is based on some genes that are expressed in a cell subjected to the stress produced by the chemical compound. These genes reflect the way in which different pathways can provide information on how cells respond to the chemical.

In an ecosystem, a wide range of organisms coexist. In a pond ecosystem, one can find amoebae, bacteria, green algae, and fish. Which of the following is the best conclusion one can make regarding the genetic diversity of these organisms? Green algae will have the greatest genetic diversity because they are photosynthetic and do not depend on other organisms to survive. Fish will have the greatest genetic diversity because they receive genetic material from a male and female source. Bacteria will have the greatest genetic diversity because their high reproductive rate ensures that some will survive. Amoebae will have the greatest genetic diversity because their genetic makeup allows them to survive in many environments.

Answers

Answer:

The correct answer would be "Fish will have the greatest genetic diversity because they receive genetic material from a male and female source".

Genetic diversity is defined as the variation in the total amount of genetic information among the individual of the population.

In sexually reproducing population, genetic diversity is present in high amount as compared to asexually reproducing population.

It is because of two reasons:

The genetic make of an individual is determined by 2 parents (father and mother).The event of crossing over takes place during formation of gametes.

Together, they lead to the development of new combinations of alleles in an offspring which is different from both the parents.

Thus, fish would have the highest genetic diversity in their population.

Answer:

Fish will have the greatest genetic diversity because they receive genetic material from a male and female source

Explanation:

What organism eats algae,and another one that eats plants and can be combined in a food chain? Thanks

Answers

Fish? Some fish eat algae and algae are plants

What events likely led to the outbreak of cholera in Haiti?

Answers

Haiti suffered a devastating earthquake in January 2010. Subsequently, much infrastructure in Haiti was destroyed, and many residents did not have access to safe drinking water and sanitation. Haiti suffered a devastating cholera outbreak soon after. Cholera is caused by a bacteria: Vibrio cholerae. The disease causes diarrhoea type symptoms. It is thought that the bacteria was introduced to Haiti by Nepalese peacekeepers from the UN. Since there was no safe sanitation, cholera sufferers would have contaminated the water supplies, leading to the spread of the bacteria in drinking water supplies. 


The situation in Haiti became very fearful at the time of the earthquake in 2010. These situations result in a poor supply of food, water, and proper sanitation.

What do you mean by Cholera?

Cholera may be defined as a disease caused by the bacterium Vibrio cholerae. This disease infects the intestine of the individual.

Cholera is generally spread due to contaminated food and water. Apart from this, It may also be spread due to messy and scattered management of proper sanitation.

Therefore, it is well described above.

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Symptoms similar to a cold but with more intense fever and weakness are characteristic of _____.
yellow fever
influenza
measles
rabies

Answers

Answer:

yellow fever

Explanation:

Answer:

yellow fever

Explanation:

What are the short and long term effects of ocean pollution?

Answers

Long term- can effect reproduction ,system failure and death to marine life
Short term-a chemical that touches the water can it can effect wild life or residents
around it
Other Questions
Which person is an example of a round character? A. A young wife who stays home to care for her four small children B. A businessman who learns to respect the people who work for him C. A dad who won't let his teenage son drive his new car D. A basketball coach who constantly yells insults at the game referees Chris is twice as old as Don, and next year the sum of their ages will be four times as much as Dons age last year. Find their present ages. how can you find the total displacement during the time interval of a graph?please help totally lost :/ fill in the blank with a symbol that makes this statement true 5/12 and 1/3 What determines the kind of genes an organism possesses Greta's psychiatrist advises her to buy bright lights, which are to be turned on in the early morning hours of winter days to reduce her problem with depression. we can guess that greta's problem is ____.a. dysthymia due to a medical conditionb. major depressive disorders with a seasonal patternc. postpartum onsetd. rapid-cycling bipolar disorder What is the name for this molecule? 3-heptyne 3-heptene 3-hexyne 3-hexene Humans affect the carbon cycle in many ways through the use of fossil fuels, clear cutting of forests, and controlled burns. Which of the following processes can help counteract these human interactions? a used car lot has all vehicles on sale at a 15% discount. Which expression can be used to find the sale price of a vehicle with an original price of p dollars? The finches of the Galpagos Islands changed over time as insects became more plentiful. how does a shovel make work easier for digging a hole? Match the work to the author. 1.The Real World Theodore Dreiser 2.Growth Thornton Wilder 3.Ethan Frome Thomas Wolfe 4.They Stooped to Folly Willa Cather 5.The American Tragedy Edith Wharton 6.Death Comes to the Archbishop Sinclair Lewis 7.Babbitt Ellen Glasgow 8.The Bridge of San Luis Rey Robert Herrick 9.Of Time and the River John Steinbeck 10.The Pearl Booth Tarkington Which of the following statements is true? -Neon is inert because its outermost shell is complete.-Nitrogen is inert because its outermost shell has eight electrons. -Oxygen is more reactive than fluorine because oxygen needs only one electron to fill its outermost shell. -Fluorine is more reactive than neon because fluorine has to lose only one electron to fill its outermost shell. Which statement about vacuoles is true Please help and explain Which of these is true of the Sedition Act? A.It made it dangerous to speak out against the war. B.It targeted white Russians. C.It made it dangerous to go abroad. D.It made it illegal to print pro-war propaganda. The federal agency that now oversees the naturalization process is the u.s. ___________ sosthanks in advance The number of miles that a commuter travels a car per day for one seven day work week is as follows: 19, 28, 17, 39, 22, 44, 56. The number of miles that a commuter travels on a bus per day for one seven day work week is as follows: 32, 26, 25, 40, 39, , 49, 22. Which method of transportation has a higher commuter average? Type either car or bus in the space provided. Use all lower case letters and do not use spaces in your answer. PLEASE HELP!!! i have no idea what im doing!!! your help would be GREATLY appreciated!!!