Mutations in these genes can produce new or altered traits, resulting in heritable differences (genetic variation) between organisms. ... One definition of a species is a group of organisms that can reproduce with one another and produce fertile offspring.
Explanation:
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Answer:
Energy is said to flow in a "one-way stream" through an ecosystem. In your own words, describe what that means. Energy is not recycled. Energy enters an ecosystem and flows through a food chain, but it is not reused, it is lost as heat.
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