Ques: Q: Skin color is controlled by genes but also influenced by exposure to what? Choices: - food - precipitation - makeup - sunlight A:
Ans: sunlight

Ques: Q: Did the the open circulatory systems of molluscs and arthropods arise dependently or independently of each other? Choices: - dependently - together - separately - independently A:
Ans: independently

Ques: Q: Sensory neurons transmit nerve impulses from sense organs and internal organs to the brain via the? Choices: - nervous system - nerve endings - spinal column - spinal cord A:
Ans: spinal cord

Ques: Q: While light travels at different speeds in different kinds of matter, the speed of light is constant in what condition? Choices: - outer space - through glass - under water - vacuum A:
Ans:
vacuum