Answer:
Ferns- reproduce through spores
Orange tree's- Reproduce by grafting
Explanation:
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The correct answer is no replacement behavior.
The circulatory system brings nourishment to all cells of the body. The circulatory system exchanges critical gases with the respiratory system; unneeded carbon dioxide is exchanged for much needed oxygen. The respiratory system provides oxygen so the body can "burn" (oxidize) the food that is brought into the body through the digestive system<span>.</span>
The stomach is the correct answer it is lined with an digestive enzyme called pepsin.
Answer: It is necessary for the survival of fishes.
Explanation:
The fish pond must consists of soil that have high water holding capacity. The soil with high water holding capacity will retain water in the dry conditions when the environment experience scarcity of water due to low frequency of rainfall. Thus even if the water quantity of the pond become shallow the fishes can absorb moisture from the soil. So, water holding capacity of the soil plays an important role in the life of fishes in the pond.
