BIOLOGY MIDDLE SCHOOL

- A scientist is determining the age of a rock by comparing their position to other rock layers. By doing this, the scientist is determining ___. - A)the date the rock was formed
B) the relative age of the rock
C) the absolute age of the rock
D) the level of radioactive isotope decay in the rock-
-At first I thought it was the date the rock was formed...But I think it wrong, so I looked over the text and now I'm thinking they want it to answer eider B-C relative or Absolute age of the rock. So I can cross off A and D. And by doing that, I had to take a look into my notes, and I notice my notes aren't the best but from what I know, Absolute determines whether it gives up the true ‘age’ of a rock or fossil. And Relative doesn't provide a “true age’’... But now that I'm thinking on it absolute looks to see if it mainly organic or tissue, while Relative mainly sedimentary rocks. So I'm thinking it B now, but I feel like I'm confusing myself with all this. So I wanted to understand this better and get a clear answer to this. If my answer wrong, can I get a short explanation as to why?-

Answers

Answer 1
Answer: The answer is b, for he is comparing the two rocks to find an age relative to the other

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Which statement about natural selection is true?A.)Natural selection and evolution are two terms for the same phenomenon.

B.)Natural selection is an outdated theory to explain how evolution took place.

C.)Natural selection is the process by which organisms with more beneficial traits are more likely to survive and reproduce.

D.)Natural selection is the process by which organisms develop variation in traits, which gives them a better chance of survival.

Answers

Answer: C). Natural selection is the process by which organisms with more beneficial traits are more likely to survive and reproduce.

Explanation:

Natural selection is a natural phenomena which involves differential survival and reproduction of individuals who have better phenotypic traits over others. Such organisms survive and reproduce in adverse environmental conditions. Thus nature selects the individuals with better traits.
The answer is “C”. Natural selection is about ones traits being better than another’s which allow it to survive in the wilds longer.

Animals raising there young in packs is an example of____?1. competition
2.communication
3.courtship
4.cooperation

Answers

4 Because animals that raise their young in packs is a cooperative task
Courtship!

Hope this helps! : )

A population of prairie dogs lives at the edge of a meadow.Which TWO characteristics make this group of prairie dogs a population?
A. They have the same parents.
B. They belong to the same species.
C. They live in the same area.
D. They have the exact same genes.​

Answers

Answer:

B. They belong to the same species and C. They live in the same area.

Explanation:

This is an educated guess. If you think about it, if there was a population of humansss, we dont have the same parents nor the exact genes so to only two that make sense is those to （＾ω＾）

Answer:

B. and C.

Explanation:

What is a nucleotide and a nucloeside?

Answers

A nucleoside is composed of a nitrogenous base attached covalently with the ribose or deoxyribose sugar. A nucleotide is composed of a nitrogenous base attached covalently with the ribose or deoxyribose sugar and also have 1 to 3 phosphate group.
It is just the t and s

How do the outer planets compare to the inner ones? A.
larger and denser


B.
smaller and less dense


C.
smaller and denser


D.
larger and less dense

Answers


The outer planets are D. larger and less dense.

The outer planets are known as the gas giants they have no solid surface.

The inner plants are much smaller and do have solid surfaces.

Hope this helps.

What must people share to be considered a social group?

Answers

Characteristics shared by members of a group may include interests, values, representations, ethnic or social background, and kinship ties. (Sorry this is late) just saw this now.
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