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Damm [24]
2 years ago
14

I am a human. what am I? a: mammal b:insect c:exterterestrail d:anphibian

Biology
2 answers:
Sergeeva-Olga [200]2 years ago
8 0
The answer is mammal
Mnenie [13.5K]2 years ago
3 0

Answer:

A. Mammal

Explanation:

We are a mammal because we have hair, we produce milk, give birth to live offspring (kids), and we are warm blooded.

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The biosphere is the only one of Earth’s systems that contains life.
Rudik [331]

Answer:

true

Explanation:

edg. 2020

4 0
2 years ago
Read 2 more answers
Which of the following clades is most likely to survive a series of catastrophic events over time? (1 point)
marishachu [46]
The correct options are as follows:
1. D.
<span>A clade refers to a group of organisms that are made up of evolutionary descendants that originated from a common ancestor. A clade that will survive a series of catastrophic events must be one that is made up of distantly related and diverse species. This is because, those species will have different type of adaptability capacity and will be able to adapt in different ways to the catastrophic events. Due to the differences in their ability to adapt, some of the specie will survive the catastrophic events even if others are wipe out.

2. B.
The mass extinction of one specie usually creates space for another new specie to survive. The new specie that survive the old one may possess the ability to adapt to the event that wipe out the former set of living organisms and thus, the new specie will be able to occupy and reproduce in their new space. Mass extinction is said to occur when the whole population of living organism living in an ecosystem are wipe out as a result of unfavorable conditions.

3. B.
Convergent evolution refers to the independent evolution of similar features in species that arise from different lineages. The species involved usually evolve these traits as a result of having to adapt to similar environments. Convergent evolution usually result in evolution of analogous structures, that is, structures that have similar forms or functions but which are not present in the last common ancestors of the species.

4. C.
 In evolution, gradualism refers to theory that states that evolution occurs slowly and gradually, thus, large changes in evolution are actually product of small changes that occur over a long period of time. The theory of gradualism was originally proposed by James Hutton in 1795.

 5. C.
Mass extinction refers to the wiping out of a a large number of species within a very short time. Mass extinction can occur as a result of severe unfavorable conditions that all the species in an ecosystem can not adapt to. An instance of this is a drastic decrease in global temperature after several massive volcanic eruptions.</span>
8 0
3 years ago
In general, researchers indicate that genes that affect energy balance in the body appear to be very efficient as a means to pro
lutik1710 [3]

Answer:

The answer is - True

Explanation:

It is true that according to research the genes that affect energy balance in the body effectively promote energy intake and weight gain but are inefficient to promote energy expenditure and weight loss. This is because it is likely to be a polygenic condition such that there are numerous genes in interaction. Therefore the genes that promote energy intake and weight gain are insufficient to promote weight loss and energy expenditure which is the required energy to carry out physical activities such as breathing, exercising, etc.

3 0
3 years ago
Explain human digestive system​
elena-s [515]

Answer: The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.

5 0
2 years ago
Why must an experiment or a survey be controlled? What is the difference between the control group and the experimental group in
notka56 [123]
An experiment or survey must be controlled in order to receive accurate results.

In an experimental group, the independent variable is changed. But in the control group, the independent variable stays the same.
5 0
3 years ago
Read 2 more answers
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