Answer;
Evolution
Mutations such as polyploidy and crossing over provide the genetic basis for evolution.
Explanation;
Evolution is the change in the characteristics or traits of a species over several generations and relies on the process of natural selection.
It occurs when some individuals or some alleles (alternative form of gene) reproduce themselves more than others,increasing their prevalence in subsequent generation.
Polypoidy and crossover brings about mutations that cause changes in characteristics and traits over time resulting to evolution.
Answer:
Cornstarch.
Explanation:
in most cases food scientist may choose to either use cornstarch or flour to thicken their food.
Answer is somatic; autonomic
The peripheral nervous system is made up of two systems; the somatic nervous system and the autonomic nervous system.The somatic nervous system is under voluntary control and transmits signal from brain to muscles, whereas he autonomic nervous system controls involuntary actions to regulate physiological functions such as working of cardiac muscles, bladder.
The answer is B. They cannot produce enough heat to keep their bodies warm.
I think its the reproductive system, but im not sure.