Primary succession happens in a place where there is no soil cover or it is removed.
an abandoned field- Secondary; because there is cover of soil left, even if vegetation is removed.
a cooling lava flow- Primary; volcanic events lead to loss of soil layer, so this would lead to primary succession
a valley under a glacier- Primary; retreating glaciers are lead to primary succession
an unused farm-Secondary; the soil cover is still present
a burnt forest- Secondary; soil cover is still left for vegetation to start over again
a deserted mine- Primary; because there would be barren rocks left, so soil would be formed by pioneer species first.
Answer:
B
C
Explanation:
Which process is the total of all the chemical reactions in an organism
Metabolism is the total of all the chemical reactions in an organism.
What is metabolism?
Metabolism is defined as a process by which the body converts what we eat and drink into energy and it is the total of all the chemical reaction.
There are two types of metabolism that is catabolism and anabolism and metabolism is anabolism + catabolism.
The main purpose metabolism of is to convert energy in food to provide energy for cellular processes, the conversion of food in protein, lipids, carbohydrates, and nucleic acid.
When metabolism is at high level more calories are burn at rest and during activity.There are two types of metabolism that is catabolism and anabolism and metabolism is anabolism + catabolism. High metabolism required to take more calories to maintain the weight.
Therefore, Metabolism is the total of all the chemical reactions in an organism.
Learn more about metabolism here:
https://brainly.com/question/19664757
#SPJ6
Which statements about the formation of the solar system are true and in a correct order? A. A spinning cloud of dust began to compress; most of the gas and dust contracted into a central mass—the Sun; small planetary objects formed. B. A spinning cloud of dust began to compress to form the sun; comets crashed into the sun to form the planets; gravitational force caused thin atmospheres in the outer planets. C. A black hole collapsed to form the sun; comets crashed into the sun to form the planets; gravitational force held the planets in orbit around the sun. D. A spinning cloud of dust began to compress to form the sun; half the mass of the cloud condensed to form Jupiter; gravitational force caused the outer planets to have thin atmospheres.
Using technology, scientists are now able to use genetic information to classify new species. What is the likely impact of this advancement on the classification system?
The existing classification system may change to accommodate the new information.
The existing classification system will be replaced completely.
Organisms would be classified based only on their mode of nutrition.
Organisms would be classified based only on physical characteristics.
Answer:
A
Explanation:
take in new information and let out old.
What sexual selection does the Cuban greater funnel-eared bat (Natalus Primus) have?
List the predators and prey the following diagram foxes Wolves bison Parie dogs and parties grass Predator one predator to pray one pray to
Predators are the animals which capture and kill other animals for food. The animals which are killed are the prey. Wolves and Foxes are predators. They are carnivores or secondary consumers, which kill bison and prairie dogs (prey) for food. Parties grasses are producers and prepare food. Bison and prairie dogs are herbivores eat grasses.
Compare and contrast solar flares and prominences. Please help.
A cup of water is left out overnight. In the morning, how will the temperature of the water compare to the temperature of the air in the room?
The temperature of the water would be the same as the temperature of the air in the room.
What is temperature?The physical concept of temperature indicates in the numerical form how hot or cold something is. A thermometer is used to determine temperature. Thermometers are calibrated using a variety of temperature scales, which historically defined distinct reference points and thermometric substances.
Fahrenheit, Celsius, and Kelvin are the three scales that are most frequently used to measure temperature (K).
A thermometric property is one that is affected by temperature. Volume, pressure, electrical resistance, emf, and colour are a few examples. A thermometer can be created using one of these characteristics. In order to design a temperature scale that displays numbers, two fixed points are also required.
Learn more about the temperature, here:
https://brainly.com/question/7943275
#SPJ6
how is an evasive species introduced to a new ecosystem?
How is an invasive species introduced to a new ecosystem? An invasive species is introduced to an ecosystem through a Human activities. Option B
Usually, human activities like trade, transportation, agriculture, or intentional introduction for a variety of uses including ornamentation or pest control bring invasive species into newly formed habitats.
Invasive species are largely dispersed into new habitats as a result of human-mediated processes such the inadvertent release of organisms from ships' ballast water, unintentional transit on cargo, and intentional introduction for landscaping or agriculture. Thus, b) Human actions is the right response.
Missing parts;
How is an invasive species introduced to a new ecosystem? An invasive species is introduced to an ecosystem through a _______.
a) Natural migration process
b) Human activities
c) Climate change event
d) Random chance occurrence
Invasive species enter new ecosystems accidentally via transport, intentional introduction, escape from captivity, ballast water exchange, or deliberate release.
An invasive species is typically introduced to a new ecosystem through various human-mediated activities. Here are some common ways they can be introduced:
1. Accidental Transport: Often, invasive species hitch a ride unknowingly on ships, planes, vehicles, or even on goods being transported internationally. They may hide in cargo, cling to the hulls of ships (known as hull fouling), or be transported in soil, plants, or water.
2. Intentional Introduction: Sometimes, species are deliberately introduced for various purposes such as agriculture, landscaping, aquaculture, or even as pets. These introductions can lead to unintended consequences when the introduced species outcompetes native species or disrupts the ecosystem.
3. Escape from Captivity: Invasive species can escape from captivity, whether from zoos, aquariums, botanical gardens, or private collections. These released individuals may establish populations in the wild and become invasive.
4. Ballast Water Exchange: Ballast water, used to stabilize ships at sea, often contains a variety of organisms picked up in one location and discharged in another. When ships exchange ballast water in different ports, they can inadvertently introduce invasive species to new ecosystems.
5. Deliberate Acts: Sometimes, individuals intentionally release species into the wild. This might occur due to ignorance about the potential harm of releasing non-native species, or it could be a deliberate act for purposes such as pest control or hobbyist interests.
Once introduced, invasive species can rapidly proliferate and spread, often outcompeting native species for resources like food, habitat, and space. They can disrupt ecological balance, decrease biodiversity, alter habitats, and even cause economic damage. Managing and controlling invasive species is crucial to preserving native ecosystems and biodiversity.
Automobiles cause air pollution when they burn gasoline. Laws have been passed to make automobile manufacturers limit the amount of pollution released from automobiles. Which act or organization was MOST LIKELY responsible for these laws?
_____ tissue covers the outer surface of herbaceous or soft-stemmed plants
Answer:
The correct answer would be dermal tissue.
Explanation:
The dermal tissue protects the soft tissues of herbaceous plants and soft-stemmed plants and regulates interactions with the surroundings of the plants.
It is a very thin layer that secretes a waxy layer called the cuticle that prevents water loss from the plants. It has stomata that help in the gaseous exchange of the atmosphere. It arises from the primary meristematic tissues.
Thus, the correct answer would be dermis tissue.
Please Hurry!
Which term represents the time in between cell divisions?
A. Cytokinesis
B. Interphase
C. Metaphase
D. Mitosis
Answer: B
Explanation:
The term representing the time in between cell divisions is known as Interphase, during which the cell grows, duplicates its DNA, and prepares for division. Correct option is option B.
The term that represents the time in between cell divisions is known as Interphase. This is a phase of the cell cycle, during which the cell grows, duplicates its DNA, and prepares for division. It is the longest phase of the cell cycle.
The options you've listed are all stages or processes related to the cell cycle. For instance, Cytokinesis is the process where the cytoplasm of a single eukaryotic cell divides to form two daughter cells. On the other hand, Metaphase and Mitosis are phases of cell division. However, they represent the division phase itself, not the time between divisions. The correct answer is Interphase.
Learn more about Interphase here:
https://brainly.com/question/38053368
#SPJ6
Which of the following describes a DNA mutation? A. The linking of free nucleotides into a long chain B. A change in the nucleotide sequence of a gene C. The packaging of DNA into a structure called a chromosome D. The substitution of uracil for thymine in RNA
Answer: The correct answer is -
B. A change in the nucleotide sequence of a gene.
Mutation can be described as permanent change in the genetic material of living organisms (that is DNA, deoxyribonucleic acid).
In other words, it depicts change in the sequence of nucleotide within gene (a segment of DNA that codes for particular protein).
It can be caused due to error in the replication process or by the exposure to some chemical, physical or biological agents (that are known as mutagens, such as UV radiation).
Mutation can result in altered protein, if change is within the coding region.
There are primarily three types of mutation, which are substitution, insertion, and deletion mutation.
Thus, option B) is the right answer.
Answer:
B. A change in the nucleotide sequence of a gene.
Explanation:
A DNA mutation refers to any alteration or change in the nucleotide sequence of a gene. This change can involve various types of modifications, such as substitutions, insertions, or deletions of nucleotides. Mutations can occur spontaneously or be induced by external factors like radiation or certain chemicals. These changes in the DNA sequence can impact the structure, function, or expression of the gene, potentially leading to phenotypic variations or genetic disorders.
Why is the pancreas considered part of the endocrine system
summarize how rocks, fossils, and climate provided evidence of continential drift.
During a chemical reaction, the amount of energy
A) may increase or decrease depending on the type of reaction
B) increases as it is converted from one form to another
C) decreases as it is converted from one form to another
D) is constant as it is converted from one form to another
both parents are heterozygous for the Huntington's allele. what is the chance that their child will not have Huntington's disease
Answer:
25% or 1/4
Explanation:
The cross in this question involves a gene coding for the possession or not of Huntington's disease in humans. The dominant allele is denoted by (H) while the recessive allele is denoted by (h). The possession of the dominant allele by an individual means the possession of the Huntington's disease.
In a cross between two heterozygous parents i.e. combination of both dominant and recessive alleles (Hh). Four possible offsprings will be produced with genotypes HH, Hh, Hh and hh.
The genotypes HH, Hh and Hh will phenotypically possess the Huntington's disease while the hh genotype will not possess the Huntington's disease. Hence, the chance of having a child without the disease is 1/4 or 25%.
What causes the seasons? Please use two complete sentences
Answer: The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels through its year-long path around the sun. The Earth has a tilt of 23.5 degrees relative to the "ecliptic plane" (the imaginary surface formed by it's almost-cicular path around the sun).
Explanation:
Which condition can cause a population crash?
When the number of individuals within a group or population or species suddenly decline it is termed as population crash. This term is often referred when the human population declines suddenly impacting the economy and the quality of life.
The causes of population crash includes competition for the environmental resources required for survival is under scarcity and this implies only the fittest can survive according to the Darwin’s theory. The other major reason can be any natural disaster like floods, droughts, earthquake, volcanic eruption, fire, incidence of some disease or epidemic condition.
Consider the following chemical reaction,
O^2 + 2H^2 = 2H^20
What are the reactants?
What are the products?
How many molecules of H^2 are used in this reaction?
Sorry if this question doesn't make much sense... ;o;
Name two organ systems that work together and what they do for the body
A group of science students have been learning how the human circulatory system reacts during exercise. The students measured their heart rates both before and after they ran five laps around the school gym. This was repeated two more times, with a 5-minute rest period between each trial. The average heart rates of the students are shown in the bar graph. State the general relationship between exercise and the heart rate in humans?
Exercise increases heart rate and cardiac output, which enhances the heart's efficiency and overall cardiovascular health.
Explanation:The general relationship between exercise and the heart rate in humans is that during exercise, the heart rate increases to supply more oxygen-rich blood to meet the demands of the working muscles. Cardiac output, which is the volume of blood the heart pumps per minute, also increases during exercise. The nonathlete's cardiac output can increase from about 5 liters per minute at rest to about 20 liters per minute during exercise, and well-trained athletes can reach over 30 liters per minute. Exercise enhances the heart's efficiency, evidenced by an increase in the heart's size and mass, which leads to a stronger heart that can pump more blood with each contraction (stroke volume), thus increasing cardiac output.
In summary, the relationship between exercise and heart function is an increase in heart rate and cardiac output, which is part of the body's natural adaptation to the increased physiological demands of exercise. This adaptation results in improved vascular homeostasis and overall cardiovascular health.
Which structure has the least effect on tne ability of a virus to infect and replicate in a host cell
The ribosome structure has the least effect on the ability of a virus to infect and replicate in a host cell.
What is a ribosome?A ribosome is an intercellular structure made of both RNA and protein, and it is the site of protein synthesis in the cell. The ribosome reads the messenger RNA (mRNA) sequence and translates that genetic code into a specified string of amino acids, which grow into long chains that fold to form proteins.
Viruses do not have their own ribosomes as they hijack the ribosomes of the human cell to make more virus it may be possible to exploit the unique methods by which viruses take over the human ribosomes to create novel anti-viral drugs.
For more information regarding ribosomes, visit:
https://brainly.com/question/8773679
#SPJ2
Ben visited an ecology museum. He was stunned to see a wide variety of plants and organisms that he would’ve otherwise overlooked. As Ben works on his class assignment, he needs to classify organisms as autotrophs and heterotrophs.
Ben should classify --------- as an autotroph. He should classify --------- as
a heterotroph.
Blank 1:
a- an adult dog
b- a ladybug
c- a mango tree
d- a toddler
blank2:
a- algae
b- a jasmine plant
c- a mushroom
d- a potato
ANSWER
1. Ben should classify A MANGO TREE as an autotrophs.
Autotrophs are plants, which have the ability to produce their own food by making use of the combination of energy from the sun, carbon dioxide and water. The process, which these plants use to manufacture their food is termed photosynthesis. Autotrophs are the primary food producers in all ecosystems, they produce the foods, which other animals feed on.
2. Ben should classify A MUSHROOM as a heterotrophs.
Heterotrophs are living organisms, which do not have the ability to manufacture their own food, therefore they depend on foods that are produce by the autotrophs and they also feed on other animals. Mushrooms can not produce their own food, therefore they feed on food manufactured by autotrophs.
The other person's answer is much more complex, but I'll just give you one anyway.
Blank 1 - Mango tree
Blank 2 - A mushroom
:D
what happens during meiosis?
I only have 10 points, so.. Sorry.
1. The colors of an opaque object are the result of:
refracted light
reflected light
the light transmitted
2. Sounds which we hear are the result of vibrations
True
False
3. In the English system, force is measured as:
ft.
lbs.
ft.-lbs.
ft.-lbs./sec.
4. A force of 2,500 pounds drags a truck 30 feet in 1/2 minute.
How much work is accomplished?
How much power was required?
Work = 75,000 ft-lbs, Power = 32, 5000 ft-lbs/sec
Work = 7,500 ft-lbs, Power = 250 ft-lbs/sec
Work= 75,000 ft-lbs, Power = 2,500 ft-lbs/sec
5. The resistance which opposes the motion of moving parts is called ___
inertia
friction
gravity
6. The "work principle" for real machines can be defined as, "The work accomplished by a machine will always be less than the work needed to operate the machine."
True
False
7. Mass and weight are essentially the same.
True
False
8. A single chemical which will not divide into any other simpler substance is:
an element
a compound
a molecule
9. What is "atomic number"?
a place in the Periodic Table
the number of atoms in a molecule
the number of protons in an atom
the number of units of atomic weight
10. The atomic weight of an atom is?
equal to the number of protons
equal to the number of neutrons
approximately the number of neutrons plus protons
an actual (real) weight of the atom
a relative weight
Opaque objects display colors via reflected light, sounds are due to vibrations, and force in the English system is measured in pounds. Work relates to force applied over a distance, differing from power which includes time factor; both factors govern machine operation. The atomic number represents proton count while atomic weight approximates neutron plus proton count.
The colors of an opaque object are the result of reflected light.
Sounds which we hear are the result of vibrations which is true.
In the English system, force is measured as lbs (pounds).
When a force of 2,500 pounds drags a truck 30 feet in 1/2 minute, the work accomplished is 75,000 ft-lbs (force x distance) and the power required is 2,500 ft-lbs/sec (work divided by time in seconds).
The resistance which opposes the motion of moving parts is called friction.
The "work principle" for real machines can be defined as, "The work accomplished by a machine will always be less than the work needed to operate the machine," which is true.
Mass and weight are not essentially the same. This statement is false.
A single chemical which will not divide into any other simpler substance is an element.
The "atomic number" is the number of protons in an atom.
The atomic weight of an atom is approximately the number of neutrons plus protons.
Mendel suggested that each trait is the result of the interaction of two factors for that trait.
Which term names these factors?
A.
genes
B.
alleles
C.
traits
D.
gametes
Alleles is the term which terms the factor mentioned by the Mendel.
B. alleles
Explanation:
Alleles allude to various types of similar qualities. Greg-or Mendel known as the Father of Genetics played out a trial with various attributes of pea plant which actuates seed shape and shading, pod shape and shading, blossom shading, stem size and area of the bloom in the stem. He crossed qualities liable for the effort of these attributes.
He made a cross among, tall and diminutive person pea plants. The allele for the tall plant is "TT" while the allele for the diminutive person plant is "tt".When they are crossed the posterity will be Tt which expresses that all are tall. From this Mendel recommended that every character is the consequence of the collaboration of two alleles for that quality that is "TT" and "tt" are the alleles liable for the effort of an attribute called tallness.
B ia your answer hope this helpe
Which neuron delivers information to the central nervous system? a motor neuron an interneuron a sensory neuron a reflex
Answer:
B) sensory neuron.
Explanation:
Neurons in the sensory nervous system transmit impulses to the central nervous system in response to light, sound, and touch stimuli. Living beings can interact with their environments and adapt to new circumstances because the brain interprets these signals and forms conscious perceptions.
The rapid action of sensory neurons in the brain protects a person's safety and survival in pain. A prompt response is required to alert the individual to potential dangers and encourage them to take appropriate safety measures. Sensory neurons also play an important role in balance regulation, as they constantly scan the environment and respond appropriately.
The complete question is:
A neuron that transmits a nerve impulse toward the central nervous system is called a
A) motor neuron.
B) sensory neuron.
C) interneuron.
D) bipolar neuron.
NOTE: The options may appear in a different order.
which biome would you find plants that are adapted to survive in hot dry climates
Structural genes, called mutations, may produce harmful, beneficial, or neutral effects to the structure and function of an organism. Briefly describe the mutation to the hemoglobin gene that creates the sickle cell allele.
WILL MARK BRAINLYST
Two squirrel populations are prevented from mating with each other because they live on opposite sides of the Colorado River. After thousands of years of evolution, the two populations have become two separate and distinct species. They can no longer mate and produce fertile young with the other squirrel population. This process is an example of
A, speciation
B, resistance
C,fossil record
D, asexual reproduction