What can increase the variation of genetic traits in a population?
A) Mutations
B) Adaptations
C) Natural selection
D) All of these choices
Correct Answer:
Verified
Q10: What is a heterotroph?
A) An organism that
Q11: What layer is permanently devoid of light?
A)
Q12: What inorganic nutrient is required for primary
Q13: A salmon migrates from the ocean to
Q14: What traps light energy in primary producers?
A)
Q16: What physical factor can denature or alter
Q17: How deep is the photic layer usually
Q18: Which community has the highest level of
Q19: What is the largest biogeochemical cycle?
A) Global
Q20: Which zone is the deepest seabed zone?
A)
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