How is a plant root cell adapted to absorb water

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.

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

What is the starting point in replication called