For the answer to the question above, p<span>unctuated equilibrium (also called punctuated equilibria) is a theory in evolutionary biology which proposes that most species will exhibit little net evolutionary change for most of their geological history, remaining in an extended state called stasis. When significant evolutionary change occurs, the theory proposes that it is generally restricted to rare and rapid (on a geologic time scale) events of branching speciation called cladogenesis. Cladogenesis is the process by which a species splits into two distinct species, rather than one species gradually transforming into another.</span>
Answer:
true
Explanation:
because land environment is different from water environment .
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B. only 3% of water on earth is fresh
An organ is a group of tissues working together to perform specific functions. An example of an organ is the heart.
Answer: Hope this helps I <3 mc
Explanation: elliptical