Answer:
3. sexual selection
Explanation:
Because artificial selection is the one made by humans like dog breeds.
Disruptive selection is when extreme values for a trait in a population are favored like big and small sizes. Stabilizing is when the trait is pushed towards the average. Sexual selection is when the trait aids in competition among individuals for access to preferred mates.
Answer:
Somatic nervous system
Explanation:
The peripheral nervous system is composed of the neurons present outside the central nervous system that is the spinal cord and the brain.
The neurons of the peripheral neurons are categorized into two types on the basis of function they are involved in that is autonomic neurons and the somatic neurons.
The somatic neurons control the voluntary action of the body by sending signals to and from the muscles to the brain.
In the question, since the neurons involved controls the voluntary action therefore the somatic nervous system is the correct answer.
The answer is b, globular
Rust is another name for iron oxide, which occurs when iron or an alloy that contains iron, like steel, is exposed to oxygen and moisture for a long period of time. Over time, the oxygen combines with the metal at an atomic level, forming a new compound called an oxide and weakening the bonds of the metal itself.