How do birds help plants seen here reproduce?

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content