Phylum Cnidarian Research Paper
345 Words2 Pages
a. Feeding
Cnidarians have only one opening called the gastrovascular cavity. This is where the food enters and the waste leaves. Cnidarians are hunters. They paralyze their prey before putting it in their mouth. To cut, and stick to their prey, Cnidarians use their nematocysts. Their Nematocysts contains toxic chemicals to kill whatever they are hunting, their prey.
b. Digestion
Digestion begins in the gastrovascualr cavity. This cavity is a digestive chamber. Digestion in this phylum occurs outside the cell, where the gastrovascualr cavity can begin absorbing the nutrients after the enzymes begin to break down the food material.
c. Reproduction
Sexual:
When Cnidrians sexually reproduce it takes place in external fertilization.
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