Answer:
The sponge uses this structure for feeding. It is located in whip-like appendages (the flagella)located in the sponge.It generate water currents as the flagella beat the water current , and as food particles passes through with the water current , it(choanocytes) trap these, and ingested it by in folding of its inner membranes .a process called phagocytosis.
Explanation:
Answer:
Body fat can be divided into two components:
Essential body fat: It is the minimum percentage of fat required by the body in order to function efficiently and to maintain a good health. It is usually stored in small amounts in muscles, internal organs, bone marrow as well as the central nervous system.
Storage body fat: It is also called non-essential body fat as it is not required for the basic functioning of the body. Excess of food or energy is stored in the form of fat around the organs (visceral fat) and beneath the skin (subcutaneous fat) in the body. It serves as the energy reserve and is used when the body's glycogen reserves are depleted.
Hence, the given statement is true.
The nucleus controls and regulates everything and carries the genes, structures that contain dna.
