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Scientists find fossils of a wide variety of dinosaur species throughout Mesozoic rocks, which date from approximately 250 million to 65 million years ago. Above the Mesozoic rocks lie Cenozoic rocks, which date from approximately 65 million years ago to the present day. No dinosaur fossils exist in the overlying Cenozoic rocks.


What is the most likely explanation for the lack of dinosaur fossils in Cenozoic rocks?

A. The dinosaurs' biological diversity increased in the Cenozoic Era.

B. Dinosaurs adapted in the Cenozoic Era so that their bodies could no longer be preserved as fossils.

C. There was a mass extinction of dinosaur species at the end of the Mesozoic Era.

D. There was a mass extinction of dinosaur species at the end of the Cenozoic Era.

Answers

Answer 1

Answer:

C

there awasw a mass extinction of dinosaur species at the end of the Mesozoic.

Explanation:

C

Have A Great One!

Answer 2

Answer:

it D

Explanation:


Related Questions

What is the definition of "earth overshoot day?"

Answers

Answer: Earth Overshoot Day is the calculated illustrative calendar date on which humanity's resource consumption for the year exceeds Earth’s capacity to regenerate those resources that year. The term "overshoot" represents the level by which human population overshoots the sustainable amount of resources on Earth.

What he saiddhdhshshshshdhdjdjdjdjdjd

What are chromosomes? How are they different between prokaryotes and eukaryotes?

Answers

Answer: A chromosome is a long DNA molecule with part or all of the genetic material of an organism. The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not

Explanation:

Chromosomes are long thread of DNA molecule. Prokaryotes have one chromosomes while eukaryotes have many.

Chromosome:

It is a long thread of DNA molecule as a part of genetic material of all living organisms.

In prokaryotes, DNA is not very much compacted.Only one chromosome is usually scene in prokaryotes.

In Eukaryotes, Chromosome are very compacted and form an special structure.Multiple chromosomes are found in Eukaryotes.

   

Therefore, chromosomes are long thread of DNA molecule. Prokaryotes have one chromosomes while eukaryotes have many.

To know more about Chromosomes,

https://brainly.com/question/296477

Please help me on this question

Answers

the first one goes with pollutes groundwater , the second one goes with harms aquatic creatures & the last one goes with destroys animals habitats .

What is and example of an molecule
Muscle tissue
Protein
Stomach
Unicellular organism

Answers

An example of an molecule is Protein

___is a process that tells cells to stop dividing if they touch each other.

Answers

Answer:

Contact inhibition

In which experimental set up shown would you expect the Elodia plant inside a test tube to produce the least amount of oxygen

Answers

Answer:

Due to less concentration of carbondioxide gas.

Explanation:

Elodia plant inside a test tube produces the least amount of oxygen due to limited carbondioxide gas that is necessary for photosynthesis process. If a test tube has less amount of carbondioxide gas which is a reactant in photosynthesis so in the end the Elodia plant generates less amount of glucose as well as oxygen while on the other hand, if there is more carbondioxide gas is available to Elodia plant, more oxygen as well as glucose is produced.

The health department is responsible to make sure there are written directions for critical control point procedures.
True
False

Answers

Answer:

I think it's true...

Explanation:

Answer:

True

Explanation:

edge2021

1. What is an operon?

a. The binding site for a repressor PRO.

b. Any group of genes responsible for the metabolism of lactose in a prokaryotes or eukaryotes.

c. A cluster of genes under the control of a promoter.

d. A regulatory gene.

Answers

Answer:

The answer is D

Explanation:

Answer: c! I think, hope this helped

Mistakes are sometimes made in duplicating or transmitting genetic information. These mistakes are called

Answers

Answer:

Mutation

Explanation:

Mutation is any alteration or change in the genetic sequence of a gene caused by mutagens (substances) or mistakes during replication of genetic sequences.

A mutation occurs in the gene from time to time, although, the cell has protocols in place to put them under control if they occur. However, when DNA or a gene is being copied and transferred to offsprings, there is bound for mistakes called MUTATION to occur.

Can someone pleeaseeee helpppp!! I’ll mark the brainliest

Answers

Answer:

i think its C im not sure but normally in my opinion that would be correct

Answer:

natural selection: black moths had a higher chance of survival since they were more camouflaged from the pollution

Explanation:

I Will Give BRIANIEST
A scientist tests the water in a local pond and finds that it has a pH of 7.9.

What is true about the water sample?

Choose 1 answer:


(Choice A)
A
It is basic.


(Choice B)
B
It is acidic.


(Choice C)
C
It is neutral.


(Choice D)
D
It is both basic and acidic.

Answers

Answer:

it is Basic brooooooo. No B NOT C AND NOT D. oNly A

The answer is A. The ph of regular water is about 7.0 or so. so since it's 7.9 it means it's basic. You're welcome :)

from his monohybrid crosses, Mendel developed his first law

Answers

Answer:

Im confused but if your asking for Medel's first law it would be states that for the pair of alleles an individual has of some gene (or at some genetic locus), one is a copy of a randomly chosen one in the father of the individual, and the other if a copy of a randomly chosen one in the mother, and that a randomly chosen one will be copied

Explanation:

The Earth is ________________of years old

Answers

Answer:

the earth is 4.543 billion years old

Select the intended meaning of the idiom in the following sentence.
The President's announcement made Washington tremble.
O The people in the government grew anxious.
O The earth shook while the President spoke.

Answers

The people were anxious
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