Answer:
Plants sre the producers.
Explanation:
Answer: Hi.... I hope it helps!!
Skin Pigmentation in humans
Explanation: Polygenic inheritance- It is simply a single characteristic which is controlled by more than two genes. Human skin's color is determined by the amount of dark pigment it has which is melanin
. Minimum four genes are involved in the melanin production.
It is a case of continuous variation as the combination of melanin producing allele are responsible for degree of pigmentation
Answer:
A
Explanation:
Signal loop is composed of negative and positive feedback mechanisms. The positive feedback increases the change in the system while the negative feedback reduces it. The ideal balance between the two feedback loops is called homeostasis.
Mitochondria also regulate cellular metabolism along with energy production and thus its role is not confined only to energy factories.