Marissa is tall like her dad. she has her great grandmother's eye color. how is this possible?

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.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Me with these questions image attached