Unequal reproductive success - Accumulation of favorable traits over time. Unequal reproductive success. heritable traits best suited to the local environment are more likely to survive and reproduce. Accumulation of favorable traits over time.
Answer:
Big Joe is the main character or the protagonist
Explanation:
the bird is a barn swallow.
Desert ecosystems.
Explanation
It’s very dry in the Southwest. They get hardly any precipitation and it’s very hot.
