Ques:Q: What happens when a sodium atom loses an electron? Choices: - becomes calcium - gains a proton - combines with hydrogen - becomes sodium ion A:

Ans:becomes sodium ion
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Ques:Q: Red-green colorblindness is an example of what kind of trait? Choices: - dominant - fatal - adaptive - sex-linked A:

Ans:sex-linked
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Ques:Q: The heterotroph eats only or mainly what? Choices: - animals - roots - decomposers - plants A:

Ans:plants
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Ques:Q: What is the name for the nonliving parts of ecosystems? Choices: - diverse factors - nucleic factors - Dead factors - abiotic factors A:

Ans:
abiotic factors
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