Q: What are jellyfish and other cnidarian's stingers called? Choices: - prokaryotes - necrocytes - phenocrysts - nematocysts A:
nematocysts

(Question)
Q: What structure passes oxygen and nutrients to a growing fetus in mammals? Choices: - uterus - spinal cord - vas deferens - placenta A:
(Answer)
placenta

Ques: Q: What term is used to describe the total spread of values in a sample? Choices: - variety - axis - scale - range A:
Ans: range

(Q).
Q: Greater reflection off what atmospheric layer allows am radio waves to travel even farther at night than they can during the day? Choices: - stratosphere - exosphere - troposphere - ionosphere A:
(A).
ionosphere

Ques:Q: The presence of solute particles blocks some of the ability for liquid particles to do what? Choices: - melt - fuse - dissolve - evaporate A:

Ans:evaporate

Question: Q: What type of environment is maintained in homeostasis? Choices: - fluid internal - noisy internal - stable external - constant internal A:
Answer:
constant internal