Answer:C
Explanation: C is the only option that has a more mixed combination of genes.
Answer:
B
Explanation:
<em>The correct answer would be that when sticklebacks don't use their armor, it shrinks. Then they pass lighter armor to their offspring.</em>
According to the theory of natural selection, adaptive traits that enable organisms to survive in an environment are selected by the forces of natural selection.
<u>When a particular trait is not needed for survival in an environment, the trait gradually degenerates within the population as natural selection ignores the existence of such trait. The degenerated trait is inherited by the subsequent generations of the population.</u>
The mechanism is also consistent with the law of use and disuse of organs by Jean Larmack.
The correct option is B.
<span>In response to harmful stimulus, nociceptors initiate neural impulses leading to sensation of pain. Nociceptors are receptors located at the end of a sensory neuron's axon. They respond to potentially damaging things by sending a signal to the spinal cord and brain that lets it know that there is a possible thread. If the brain believes the threat is real it will create a painful sensation at the body part in danger to alert the body and save itself from the threat.</span>
Compounds that are charged or polar (have small opposite charges within the molecule) will dissolve in water - because water is polar.
