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hodyreva [135]
3 years ago
9

In what era did the humans appear

Biology
1 answer:
lisabon 2012 [21]3 years ago
5 0

Image result for In what era did the humans appear

Hominins first appear by around 6 million years ago, in the Miocene epoch, which ended about 5.3 million years ago. Our evolutionary path takes us through the Pliocene , the Pleistocene , and finally into the Holocene, starting about 12,000 years ago.

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If the inner membrane of mitochondria was not folded, how would it affect the organism?
qaws [65]

Answer:

A.

If the inner membrane of the mitochondria was not folded then there wouldn't be enough surface area for the electron transport chain.

Explanation:

Hope this helps!!!!!!

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6 0
3 years ago
Which of the following is not found in an observational study? A-controlled variable B-manipulated variable C-None of these are
Lunna [17]

Answer:

C-None of these are found in an observational study

Explanation:

(A.) controlled variables are a part of what's found in a controlled experiment. (B.) manipulated variables are a part of what's found in a controlled experiment. (C.) Answer choice A. or Controlled variables, Answer choice B. or Manipulated variables, and Answer choice D. or Control groups are a part of what's found in a controlled experiment. (D.) Control groups are a part of what's found in a controlled experiment. Therefor this only leaves one answer and that answer is Like I said C-None of these are found in an observational study.

8 0
3 years ago
Casual studies determine if one variable will have a predictable effect on another.
Murrr4er [49]
False because when you determine something you always have to account for other things
4 0
3 years ago
What causes the motion of particles
Naya [18.7K]

Answer:

Particles in solids are always vibrating (moving back and forth) in place. The vibrational motion of particles in solids is kinetic energy. Heat makes the particles in a solid vibrate faster, giving them more kinetic energy. Faster-vibrating particles bump into one another more often and hit each other harder.

Explanation:

Hope this helps- good luck! ^w

6 0
3 years ago
Describe what a<br> graph of no motion<br> would look like
WARRIOR [948]

Answer:

A flat line

Explanation:

Over time if there is no movement a line would be flat. If you need more clarification please comment and I will help you. :)

5 0
3 years ago
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