Answer:
Caulerpa is a unicellular organisms
Explanation:
Caulerpa is a unicellular organisms and has its organelles within it's cell wall. It's an algae that have chloroplast which is use to produce food. They grow and develop to that length that is more than half a meter and they possess structure which look like real stems,roots of multicellular plants. They reproduce when adult produce sperm and egg and fuse together to produce another offspring. A single cell wall surrond the the root tips to the leaves and they move freely within the fluid.
Answer: crossing over, process in genetics by which the two chromosomes of a homologous pair exchange equal segments with each other. Crossing over occurs in the first division of meiosis . At that stage each chromosome has replicated into two strands called sister chromatids.
I think the anwser is C)
Sorry if its wrong
Thanks
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