The most basic level of ecological organization is a(n)
a. biosphere
b. individual
c. ecosystem
d. population

According to this food web which of the following would be considered primary consumers

1. in what ways have non-native species been beneficial? 2. what are some of the hypotheses for the collapse of honeybee colonies? 3. distinguish between regional and functional extinction. 4. why is it difficult to measure background extinction rates? 5. what three factors are most important in causing extinction rates to climb?

What percentage of organisms is played the dominant trait (tall) in the f2 generation? a.25% b.100% c.75%