What adaptations do vertebrates have to feed on nectar short answer?

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

Can ground tissue do photosynthesis

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?