Answer: Leaves in a cactus are modified into spines to reduce loss of water from leaves by transpiration. Then the plant makes from the process of photosynthesis which is performed by the stem.
Explanation:
Itd seem like a virus would replicating and once the host cell cannot contain the viruses anymore, the cell explodes and releases all the viruses into the blood stream
Answer:
stethoscope is the instrument used to measure heart beat
Physical structures..........
Sponges are organisms that are members of phylum prolifera, they are simple multicellular animals without a mouth, muscles, heart or brain.Sponges's tissues contains collar cells and amoebaocytes in its tissues. They feed by drawing water in through their pores and filter out food particles. Sponge larvae are more animal-like than adult sponges because they are free-swimming organisms.
