The difference between threatened, endangered, and extinct species are an extinct species which once existed on the planet but now because of natural or human events vanished from the earth.
An endangered species is those plants and animals whose population is under danger of extinction. The threatened species are the plants and animals which are under the danger of becoming endangered in the future.
Thus, the major difference between threatened, endangered, and extinct species is dependent on the population of the species.
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NEED HELP QUICK ON A TIME LIMIT USING ALL MY POINTS!!!!!
1). Identify 3 enzymes involved in DNA Replication and what they do.
2). This is not the complete sequence of amino acids for the protein Luciferin; that is over 900 nucleotides long! However, you did sequence the first ten amino acids in the protein. If you had sequenced all 900, what would be a codon that you would expect to see at the end?
3). Chains of amino acids are sometimes called polypeptides. What types of bonds hold the amino acids together?
4). In your own words, describe the flow of information beginning with DNA and all the way into a protein
What change is likely to occur in a population of beetles that suddenly faces predation from an invasive species of frogs?
What do all members of the swine species always have in common 10 points
Members of the swine species always have the same number and kinds of chromosomes
Explanation:
The swine species always have their food habits in common. They are omnivorous and they also due to ancestry have the typical type of genes and chromosomes inscribed in it. Hence swine are used in research industry nowadays like dogs and monkeys.
Wild boars, hogs and pigs all have just small differences externally. Their anatomy and physiology are identical. They are all mammals. They are highly intelligent and talented ones. They have their physiology identical to ours which helps in research scientist to experiment and finds cure for human.
A human rbc is approximately 8 µm in diameter. an unknown bacterium measures 1 ocular space using the oil immersion objective compared to 2 minor spaces on the stage micrometer.
a.how big is the unknown bacterium (report in micrometers) and
b.how does its size compare to the rbc (how many times bigger is one versus the other)? (4pts)
A child has been brought to the emergency department by child's grandparent. the grandparent tells the nurse, "it is important that the child's parents not know she is here. she lives with me, and they are no good for her." what is the nurse's most relevant assessment question?
The nurse should ask the grandparent about the child's living situation to understand why the parents shouldn't know about the visit, which will help assess the child's current needs and any potential safety concerns.
Explanation:The nurse's most relevant assessment question in the context where a child has been brought to the emergency department by a grandparent who has custody and expresses concerns about the parents is to ask about the wellbeing and safety of the child. An appropriate question might be: "Can you provide any details regarding the child's living situation and why it is important for the parents not to know about this visit?"
Understanding the context in which the grandparent has assumed the primary caregiver role is crucial. This information can inform the nurse's assessment of the child's current needs and whether there may be any legal or safety concerns to consider.
In some cases, grandparents take on caregiving roles due to various reasons such as parental drug abuse, incarceration, or abandonment, which can render the parents incapable of providing adequate care for the child. This assessment can help the nurse and the healthcare team to tailor their approach to meet the child's and the family's needs while also ensuring the child's safety and privacy.
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"What specific concerns do you have about the child's parents?" This question aims to understand the grandparent's worries and assess the situation.
In a situation where a child is brought to the emergency department by a grandparent, and the grandparent expresses concerns about the child's parents, the nurse's most relevant assessment question would be aimed at understanding the child's immediate safety and the nature of the concerns regarding the parents. Here's a comprehensive approach:
The nurse could start by expressing empathy and validating the grandparent's concerns, acknowledging that they are seeking what they believe is best for the child. Then, the nurse could ask open-ended questions to gather more information while ensuring confidentiality:
1. Can you tell me more about why you feel the child's parents are not good for her?: This open-ended question encourages the grandparent to elaborate on their concerns. It allows the nurse to gain insight into specific issues or behaviors that may be endangering the child's well-being.
2. Has the child experienced any recent incidents or behaviors at home that have raised concerns for you?: This question seeks to uncover any recent events or patterns of behavior that may indicate neglect, abuse, or unsafe living conditions
3. Are there any specific safety concerns or risks in the child's home environment?: By asking about potential hazards in the child's living situation, the nurse can assess immediate safety concerns and evaluate the need for intervention or protective measures.
4. Has the child ever expressed fear or discomfort about being at home with her parents?: This question explores the child's perspective and feelings, providing valuable insight into the child's emotional well-being and the dynamics within the family.
5. Do you have any concerns about the child's physical or emotional health that you would like to discuss?: This question allows the grandparent to address any additional worries or observations about the child's overall well-being.
Through these questions, the nurse aims to gather comprehensive information about the child's situation, assess any immediate safety risks, and determine the appropriate course of action to ensure the child's safety and well-being. Additionally, the nurse should reassure the grandparent that their concerns will be taken seriously and handled with sensitivity and confidentiality.
In response to a cold temperature, your body will shiver reflexively. using pavlov's terminology, the cold temperature would be termed a(n):
Light-absorbing pigments that are not at the reaction center of a photosystem:
a. are all constructed from chlorophyll.
b. are free floating in the stroma.
c. increase the amount of the visible light spectrum that can be harnessed for photosynthesis.
d. enable photosynthesis to occur in the dark for a short period of time.
e. are identical in all plant species.
Light-absorbing pigments that are not at the reaction center of a photosystem are part of the light-harvesting complex and absorb different wavelengths of light, increasing the amount of visible light spectrum that can be harnessed for photosynthesis. They transfer the absorbed energy to the reaction center to start the light-dependent reactions. However, they are not responsible for photosynthesis in the dark.
Explanation:Light-absorbing pigments that are not at the reaction center of a photosystem mainly help increase the amount of visible light spectrum that can be harnessed for photosynthesis. These pigments, which include different types of chlorophylls and carotenoids, are part of the light-harvesting complex - an array of proteins and pigments that absorb light energy and transfer it to the reaction center of a photosystem.
Each photosystem (both PSI and PSII) in photosynthetic organisms is associated with these light-harvesting complexes. The pigments in these complexes absorb different wavelengths of light, thus allowing the plant to utilize a wider section of the light spectrum.
The energy absorbed by these pigments is transferred from one molecule to another until it reaches the reaction center. Here, the energy is used to initiate the light-dependent reactions of photosynthesis. However, light-absorbing pigments do not enable photosynthesis to occur in the dark because sunlight is the initial energy source required for photosynthesis.
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which vessels allows for oxygen movement into the tissues
Answer: The blood capillaries supply oxygen to the various parts of the body.
Explanation:
The oxygenated blood from the lungs travels to the various parts of the body so that every organ of the body gets oxygen.
Oxygen is required for the cellular respiration of the body as the energy required by the cells is obtained by this process.
The blood capillaries supply oxygenated blood to every organ of the body.
Capillaries, thin-walled vessels in the body, allow for the transport of oxygen into tissues. Oxygen is taken into the capillaries from the lungs, transported through the body's circulatory system, and delivered to cells through the process of diffusion. Deoxygenated blood is then returned to the heart.
Explanation:The vessels that allow for oxygen movement into the tissues are known as capillaries. These are tiny, thin-walled vessels that facilitate the exchange of oxygen, nutrients, and waste products between the blood and the body's cells. The process begins in the lungs, where oxygen is absorbed into the capillaries from the alveoli, small air sacs where the exchange of gases occurs.
When the oxygen-rich blood leaves the lungs, it is transported via the pulmonary veins into the left atrium and then into the left ventricle of the heart. The left ventricle pumps the oxygenated blood into the aorta, the largest artery, and from there, the oxygenated blood is distributed throughout the body via a network of arteries and arterioles that eventually leads to the capillary beds.
In the capillaries, oxygen is diffused from the blood into tissue fluid, which allows it to reach the body's cells. Gas exchange in capillaries is driven by the differences in pressure between the capillaries and the tissues, which allows for the movement of oxygen into the tissues and carbon dioxide, a waste product, into the blood. It is important to understand that the slow rate of travel through the capillaries assists with this gas and nutrient exchange. After leaving the tissues, deoxygenated blood is then returned to the heart via venules and veins.
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A scientist argues that two species of birds are the same species because they have similar body structure, similar DNA, and similar beaks because they eat the same food. The birds do have some variations in color patterns and have a different mating season. Which piece of evidence would go against this argument and suggest that the birds are actually different species?
The birds have similar body structure.
The birds have similar beaks.
The birds have different color variations.
The birds have different mating seasons.
A woman has blood type a mm. her child has blood type ab mn. the blood types of the potential fathers are given below.
Men that could be the father may have AB MN and B MN genotypes.
The MN is a blood group system controlled by an autosomal locus on chromosome 4.This MN blood group system has two alleles called LM and LN alleles.Moreover, the ABO blood group system has three alleles (A, B, and O) and it is used to classify human blood regarding its cell surface antigens.In conclusion, men that could be the father may have AB MN and B MN genotypes.
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Does medical assistance safeguard or impede the birth process?
Monkeys and bats have similar bone structure in their forelimbs. However, monkeys have longer forelimbs to use for climbing and swinging in trees. Bats have shorter forelimbs to use for flight. Which term best describes how monkey and bat forelimbs are related to each other? homologous, embryonic, analogous, or vestigial.
They are homologous because they have similar structure regardless of purpose.
What are Homologous organs?Homologous organs are those that share the same anatomical structure but perform different functions. Here are some examples of homologous organs. Cockroach, bee, and butterfly mouthpieces.
Organs that are structurally identical but have diverse purposes are known as homologous organs.
Divergent evolution gave rise to them. Divergent evolution occurs when organisms with comparable ancestors evolve identical structures that can carry out distinct functions in varied environments.
Therefore, They are homologous because they have similar structure regardless of purpose.
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One of the first steps in harnessing geothermal energy is to drill a well into a geothermal reservoir. true or false
Answer:
The given statement is true.
Explanation:
Geothermal energy refers to the energy, which comes from the crust of the Earth. This form of energy is a cradle of heat. The generation of heat takes place by the Earth due to a gradual deterioration of radioactive substances found within the rocks in the region of the core. Correspondingly, the hot magma found in the mantle, heat up the water in the geosphere.
The heat in the water is used as geothermal energy. There is a need to find out the source of geothermal energy in order to attain energy. For this, the drilling of the Earth's crust is done, that is, the initial step for obtaining the geothermal energy. Thus, the given statement is true.
Mineral identity is diagnosed primarily through the assessment of ______. physical properties both answers are equally useful in mineral diagnoses chemical properties neither answer is useful in mineral diagnoses
First, drag labels to targets (a) and (b) to indicate whether these environments are hydrophilic or hydrophobic. 2.next, drag the phospholipid layers to targets (c) and (d) to indicate how they are oriented in the plasma membrane. 3.finally, drag labels to targets (e), (f), and (g) to indicate which portions of the membrane protein are hydrophilic and which are hydrophobic
The plasma membrane has hydrophilic heads on the outer surface and hydrophobic tails on the interior. The phospholipid layers are arranged in a bilayer with hydrophilic heads facing outward and hydrophobic tails facing inward. The membrane protein contains both hydrophilic and hydrophobic regions.
Explanation:(a) Hydrophilic - The plasma membrane has hydrophilic heads on the outer surface that interact with water.(b) Hydrophobic - The interior of the plasma membrane is made up of hydrophobic tails that repel water.(c) Phospholipid layers in the plasma membrane are arranged in a bilayer with hydrophilic heads facing outward and hydrophobic tails facing inward.(d) The same orientation as (c).(e) Hydrophilic - The regions exposed to the aqueous environment within and outside the cell.(f) Hydrophilic - The regions that interact with other proteins or molecules.(g) Hydrophobic - The regions that are embedded within the lipid bilayer.Learn more about Plasma membrane here:
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A dog chasing a rabbit needs energy from the food it has eaten. Which process makes the most usable energy for the dog?
A. the citric acid cycle
B. photocynthesis
C. the electron transport chain
D. glycolysis
Electron transport chain
Answer: Option (C) is the correct answer.
Explanation:
When simultaneous reduction and oxidation helps in transfer of electrons from an electron donor to an electron acceptor then it forms an electron transport chain.
There is also transfer of protons along with transfer of electrons. As a result, it helps in the synthesis of adenosine triphosphate (ATP) which helps in storage of energy in the form of highly strained bonds.
Thus, we can conclude that the electron transport chain is the process which makes the most usable energy for the dog.
Explain why bacteria grew in the crushed vial but not in the vial that was intact
An igneous rock interacts with the different layers of Earth and is subjected to heat and pressure over a long period of time. However, it does not melt. Which of these is most likely formed as a result of these interactions? lava magma sedimentary rock metamorphic rock
The word metamorphism is taken from the Greek for “change of form”; metamorphic rocks are derived from igneous or sedimentary rocks that have altered their form (recrystallized) as a result of changes in their physical environment.
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Hot, molten rock crystallizes and hardens to form igneous rocks, which are named after the Latin word for fire.
What are Igneous rocks?Depending on where the molten rock hardens, igneous rocks are classified as either intrusive or extrusive.
Intrusive Igneous Rocks: When magma is imprisoned deep inside the Earth, intrusive, or plutonic, igneous rocks are created. Massive globules of molten rock are rising to the surface.
The majority of the magma is held below, where it slowly cools over many thousands or millions of years before it hardens. Some of the magma may fuel volcanoes on the Earth's surface.
Therefore, Hot, molten rock crystallizes and hardens to form igneous rocks, which are named after the Latin word for fire.
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Which cartilage belonging to the larynx anchors the vocal cords?
As a cell grows, the ________________ decreases and the cell must divide or die.
If the climate in an area has very little rainfall, what would be the characteristics of the soil in the area?
The answer is thin, with very little organic material. The reason the soils are thin is that weathering of rocks in such regions is slow due to lack of rainfall. Water is a significant factor in weathering. Additionally, due to the dryness, little vegetation and organisms will thrive. Therefore, chemical weathering of the rocks will be reduced and the humus (organic material) in the soil will be less abundant.
*not biology it's science*
Which changes to Earth's surface happen slowly?
Which happen quickly?
n the modern classification system birds are in a separate _______ from reptiles, but fossil evidence shows they have ___________.
Answer:
N the modern classification system birds are in a separate group from reptiles, but fossil evidence shows they have the same ancestry.
Explanation:
It is true that birds and reptiles are classified in different groups, since they present different anatomical, structural and biological differences, however these animals have several similarities, since they probably descend from the same ancestor.
It is well accepted in the scientific community that birds emerged from groups of dinosaurs, that is, that birds and reptiles were formed by the same ancestor. For many scholars, for reptiles to become a valid group, birds should be part of that group, but it was decided that mantles would be better in different groups.
which of the following steps does not take place during cellular respiration?
A-Glucose is broken down
B-Energy is transferred to cells
C-Oxygen combines with carbon dioxide
D-Energy and other products are released
The right answer is C, Oxygen combines with Carbon dioxide
Choose the best function of the channel receptor from below:
If out of 100 offspring 52 have recessive red eyes and 48 have brown eyes. what are the probable genotypes and phenotypes of the parents
The parents of the offspring are likely heterozygous with a genotype 'Bb'––one dominant allele ('B') for brown eyes and one recessive allele ('b') for red eyes. However, the observed distribution of the offspring's phenotypes (48 with brown eyes and 52 with red eyes) slightly deviates from the expected Mendelian ratio due to chance and the given size of the sample. Keep in mind that predicted ratios become more accurate across larger sample sizes.
Explanation:The situation you are describing suggests that the parents may be heterozygous for the eye color gene. This means that each parent has both a dominant and a recessive allele. If we denote the dominant allele that codes for brown eyes as 'B' and the recessive allele that codes for red eyes as 'b', each parent could have a genotype of 'Bb'. The Punnett square for this cross would predict that 25% of offspring will be 'BB' (brown eyes), 50% will be 'Bb' (brown eyes), and 25% will be 'bb' (red eyes).
However, your observation differs from this classic Mendelian result. The most reasonable explanation is that chance, across a moderately small sample size (i.e., 100 offspring), caused more 'bb' individuals than expected. This illustrates an important point: the ratios predicted by a Punnett square represent probabilities that are more likely to be observed across larger sample sizes.
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which represents the most accepted form of scientific ideas?
a.paradigm
b.working theory
c.hypothesis
d.conclusion
Answer: Paradigm.
Explanation:
A paradigm can be defined as universally recognized scientific pattern, theories or achievements that, for a time that provides a model for the problems and solutions for a community of practitioners.
This is most accepted form of scientific ideas. This can also be defined as a typical instance of something.
So, the correct answer is Paradigm.
Which would likely live in the Great Salt Lake?
a. thermoacidophile
b. methanogen
c. Eubacteria
d. halophile
All carbohydrates have the same effect on blood sugar.
1 False
2 true
When inhaled, crystalline silica can cause scar tissue to form on what organs?
Answer:
lungs
Explanation:
Inhaling silica causes permanent damage to the lungs and can lead to death.
When people inhale crystalline silica, the tissue present in the lungs reacts and develope fibrotic nodules. It also scars the lung tissue around the trapped silica particles. If these fibrotic nodules grow large, breathing becomes difficult.
Breathing in crystalline silica dust can cause a severe even fatal case called silicosis. When silica enters into the lungs, it causes the formation of scar tissue and makes it difficult for the lungs to take oxygen. There is no cure to silicosis.
Therefore, Inhaling crystalline silica affects the lungs.