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svp [43]
3 years ago
10

What 3 factors are needed for natrual selection to occur?

Biology
2 answers:
lyudmila [28]3 years ago
8 0
Reproduction, heredity, variation
Arte-miy333 [17]3 years ago
5 0
The three factors needed for natural selection to occur are:
variation
inheritance
differential survival and reproduction
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777dan777 [17]

Answer:

it mostly controls all activites

Explanation:

the cell is main structural and functional unit of life in an animal body so without an animal cell the body won't function at all

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A gas delivers 874 J of heat and then has 159 J of work done upon it. The change in internal energy of the gas is
Nesterboy [21]

The change in internal energy of this gas sample is equal to: c. 715 J.

<u>Given the following data:</u>

  • Quantity of heat = 874 J.
  • Work done = 159 J.

<h3>What is the First Law of Thermodynamics?</h3>

Mathematically, the the First Law of Thermodynamics is given by this formula:

\Delta H = Q-W

Where;

  • \Delta H is the change in internal energy.
  • Q is the quantity of heat.
  • W is the work done.

Substituting the parameters into the formula, we have;

\Delta H =874-159\\\\\Delta H = 715

Change in internal energy (ΔH) = 715 Joules.

Read more on enthalpy change here: brainly.com/question/11628413

3 0
3 years ago
Would you expect human DNA to be more closely related to tiger or jellyfish? Explain.
worty [1.4K]

Answer:

I would expect a tigers' DNA to be more like humans DNA because a tiger has more characteristics like humans.

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after all, tigers are mammals and jellyfish are aquatic invertebrates.

5 0
3 years ago
What an animal uses for food is part of its:
Naya [18.7K]
The answer is b)

The niche is the job the animal does in it's habitat to contribute to the habitat.
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Which of the following best describes plants of the family poaceae?
lilavasa [31]

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Parallel veins in the leaf

Explanation:

The leaf veins run parallel to one another.

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