Answer Internal and external environmental factors, like gender and temperature, influence gene expression. ... Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.
Explanation:
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The producers that it eats will increase in population. The secondary consumers will decrease the most in population because they eat the primary consumers. The tertiary consumers will also decrease because they eat secondary and primary consumers.