Q: Examples of organ systems in a human include the skeletal, nervous, and what? Choices: - affecting systems - nervous systems - immune systems - reproductive systems A:
reproductive systems

(Question)
Q: In what do a roundworm's eggs pass from host to the environment? Choices: - skin - arms - mouth - feces A:
(Answer)
feces

Ques: Q: A diploid cell contains two sets of what? Choices: - ribosomes - neutrons - atoms - chromosomes A:
Ans: chromosomes

(Q).
Q: What do contour lines that are close together indicate? Choices: - deep slope - close slope - flat slope - steep slope A:
(A).
steep slope

Ques:Q: The crocodilia order, which includes crocodiles, alligators, caimans, and gharils, is part of what class of animals? Choices: - aquatic - mammals - parasites - reptiles A:

Ans:reptiles

Ques: Q: What are substances that cannot be broken down into simpler substances with different properties called? Choices: - atoms - compounds - molecules - elements A:
Ans:
elements