Ques:Q: Fishes were the earliest example of what subphylum, and jawless fishes were the earliest of these? Choices: - grasses - ferns - mammals - vertebrates A:

Ans:vertebrates
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Ques:Q: A small molecule that binds to a larger molecule is known as a? Choices: - lipid - enzyme - oxide - ligand A:

Ans:ligand
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Ques:Q: Smaller sized galaxies are known as what? Choices: - nebula - black holes - constellations - dwarf galaxies A:

Ans:dwarf galaxies
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Ques:Q: What is a stellar remnant that is very dense? Choices: - asteroids - the sun - white star - white dwarf A:

Ans:
white dwarf
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