Q: The nervous system is made up of these? Choices: - fibers - blood cells - muscles - neurons A:
neurons

(Question)
Q: What is the term for the hard, round object produced within the mantle of a living shelled mollusk? Choices: - ball - root - glass - pearl A:
(Answer)
pearl

Ques: Q: What are the most numerous and diverse biochemical compounds? Choices: - lipids - acids - Carbohydrates - proteins A:
Ans: proteins

(Q).
Q: Frogs and toads have long back legs which are specialized for what action? Choices: - flying - swimming - sprinting - jumping A:
(A).
jumping

Ques:Q: What do we call structures that have lost their use through evolution, which serve as important evidence of evolution? Choices: - extinct - adaptative - primordial - vestigial A:

Ans:vestigial

Question: Q: What is the term for the use of radioactive decay to estimate the ages of fossils and rock? Choices: - isotope test - microwave theory - radioactive illustrating - radioactive dating A:
Answer:
radioactive dating