All of the following are examples of surface water except
aquifers or streams or lakes or
rivers

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

How does an angiosperm prevent self pollination

How is transcription similar to translation in terms of base pairing?