What is the difference between microscopic and macroscopic ecosystems?

What did hunter gathers do to alter the environment?

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?