Answer:
D, organisms that survive long enough to reproduce.
Explanation:
C and D are the best answers. Adaptations and skills other than speed and strength contribute to an organism's survival too, so that means it isn't C. Natural Selection is about how an organism must have useful traits to survive to reproductive stage and successfully reproduce, so it would definitely be D.
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They are essential for autotrophic processes, basically allowing plant life to thrive off of self-made nutrients/food
Answer:
Retention of an intron and expanding triplet repeats may provide a new function for a gene, which may cause disease.
Explanation:
Tell me if its correct or wrong
A country that is not growing is characterized by an age structure that is largest among post-reproductive years.
