Q: What term is used to describe a chemical released by an animal that affects the behavior or physiology of animals of the same species? Choices: - enzyme - isolate - amino - pheromone A:
pheromone

(Question)
Q: What type of cells capture light energy, and use carbon dioxide as their carbon source? Choices: - sporozoans - blood cells - chloroplasts - photoautotrophs A:
(Answer)
photoautotrophs

Ques: Q: Motor neurons and sensory neurons are part of what nervous system? Choices: - peripheral - central - autonomic - sensory-somatic A:
Ans: sensory-somatic

(Q).
Q: What do you call a unique substance formed when two or more elements combine chemically? Choices: - component - mixture - solution - compound A:
(A).
compound

Ques:Q: Earth acts like a giant version of what device, with angular momentum along its axis and pointing at polaris, the north star? Choices: - compass - telescope - accelerator - gyroscope A:

Ans:gyroscope

Question: Q: The first reported nuclear fission occurred in 1939 when three german scientists bombarded uranium-235 atoms with slow-moving what? Choices: - protons - electrons - isotopes - neutrons A:
Answer:
neutrons