Ques:Q: What is an insect's hard outer exoskeleton made out of? Choices: - lectin - casein - melanin - chitin A:

Ans:chitin
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Ques:Q: What is the process of producing eggs in the ovary is called? Choices: - gametogenesis - meiosis - morphogenesis - oogenesis A:

Ans:oogenesis
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Ques:Q: More uv rays reach the ground due to a decrease in what layer in the stratosphere? Choices: - troposphere - smog - gases - ozone A:

Ans:ozone
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Ques:Q: What takes place at some coastlines or along the equator and brings cool, nutrient-rich water to the surface? Choices: - high tide - red tide - flooding - upwelling A:

Ans:
upwelling
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