Answer:
Both natural selection and genetic drift are mechanisms for evolution (they both change allele frequencies over time). The key distinction is that in genetic drift allele frequencies change by chance, whereas in natural selection allele frequencies change by differential reproductive success.
phenotype is observable so A
1. Food web? 2.Habitat 3.Omnivore 4.Primary consumer 5. Producer 6. Secondary consumer
Answers
Some provide nutrients for each other
Explanation:
