Ques:Q: What type of plants were the first to evolve? Choices: - vascular - kilocalorie - cocklebur - nonvascular A:

Ans:nonvascular
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Ques:Q: What type of diseases in humans are caused by protozoa? Choices: - protozoa diseases - dysentery - diarrhea - protist diseases A:

Ans:protist diseases
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Ques:Q: Lodgepole cones remain closed until exposed to what? Choices: - predators - precipitation - UV light - extreme heat A:

Ans:extreme heat
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Ques:Q: What is made of gases that are essential for photosynthesis and other life activities? Choices: - air - ocean - stratosphere - atmosphere A:

Ans:
atmosphere
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