Q: Producers at the base of ecological food webs are also known as? Choices: - endoscopic - symbiotic - mutualistic - autotrophic A:
autotrophic

(Question)
Q: Light from objects at different distances is focused by what part of the eye? Choices: - iris - pupil - meniscus - lens A:
(Answer)
lens

Ques: Q: Chains of small molecules called nucleotides make up what? Choices: - chromosomes - peptides - proteins - nucleic acids A:
Ans: nucleic acids

(Q).
Q: Which other planet in the solar system is the easiest to observe from earth? Choices: - Pluto - Mercury - Jupiter - mars A:
(A).
mars

Ques:Q: What energy is the energy of motion? Choices: - optimal - potential - thermal - kinetic A:

Ans:kinetic

Q: Both diffusion and effusion are related to the speed at which what objects move? Choices: - electricity - copper molecules - solids - gas molecules A:
gas molecules