BIOLOGY HIGH SCHOOL

Clams and oysters are examples of invertebrates. Which structure in these animals helps protect their internal body parts? shell backbone gills muscles

Answers

Answer 1
Answer:

Shell helps to protect their internal body parts. So, the correct option is (A).

What are Invertebrates?

Invertebrates are defined as the paraphyletic group of animals that neither possess nor develop a vertebral column which is derived from the notochord which includes all animals other than the chordate subphylum Vertebrata.

Invertebrates may have incomplete or complete digestive systems which differ in the way they move and the complexity of their nervous systems. Many invertebrates reproduce sexually.

Clade and Oysters belong to the kingdom Animalia and Phylum Mollusca which have shells on the body to protect their internal body parts.

Thus, Shell helps to protect their internal body parts. So, the correct option is (A).

Learn more about Invertebrates, here:

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Answer 2
Answer:

Answer:

the answer is A- shell

Explanation:

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The continents began to drift apart by the end of the _______ period. A. Permian
B. Neogene
C. Cambrian
D. Cretaceous

Answers

The correct answer is A. Permian.

This was 200 million years ago and at that time there was only one continent named Pangaea.

Which person do you think played the most important role in the discovery of DNA structure? Rosalind or Waston and Crick? Explain your answer

Answers

Waston and Crick


Explain : Because they were awarded a Nobel prize in 1962 


I hope that's help !

Which sediment particle from rocks is the smallest

Answers

clay or sand but really heading more more towards sand

The potential must be strong enough to send a(n) potential to the CNS.

Answers

The correct answer to the question above is action. The potential must be strong enough to send an action potential to the CNS (Central Nervous System.) An action potential is a short-term event that causes the electrical potential of a cell. 

Answer:

action

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Which of the following best describes the uses of private land?
a Private land cannot be used to operate businesses.
b. After initial construction, the uses of private land do not change.
C. It can be used for a variety of activities and businesses.
d. None of the above.

Answers

A.private land cannot be used to operate businesses

What is the defining characteristic of a water cycle?A. The water passes through at least five different locations.

B. It does not include any human water usage.

C. It passes through plants, animals and the ocean.

D. It has the same starting and ending point.

Answers

Answer:

option c. it passes through plants, animals and the oceans.

Explanation:
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