Traits controlled by genes can only be acted upon natural selection because they have to helpful to the survival of that organism.
Answer:
Search up the pacific ocean's percentage.
Explanation:
When a nerve impulse reaches the end of an axon, the axon terminal released ACh into the synaptic cleft. 2. ACh diffuses across the cleft and attaches to the ACh receptors on the sarcolemma of the muscle fiber. 3. ACh binding triggers electrical events that ultimately generate an action potential.
Answer: Earthworms and gorillas.
Explanation:
Paramecia and salamanders. Ask the students to list as many features as they can think of that their two organisms have in common.
