Which of the following is true of Cnidarians?Multiple choice question.They have distinct tissues.They have organs.They have three cell layers.
Question
Which of the following is true of Cnidarians?
- Multiple choice question.
- They have distinct tissues.
- They have organs.
- They have three cell layers.
Solution
The correct answer is "They have distinct tissues."
Cnidarians, which include jellyfish, sea anemones, and corals, are characterized by their distinct tissues. They have two main tissue layers: the ectoderm, or outer layer, and the endoderm, or inner layer. These tissues perform different functions, allowing for a division of labor in the organism.
Cnidarians do not have organs. While they do have specialized structures like tentacles and a gastrovascular cavity for digestion, they lack complex organs like a heart or lungs.
Cnidarians also do not have three cell layers. As mentioned above, they have two main tissue layers. This distinguishes them from more complex animals, which have three tissue layers: the ectoderm, endoderm, and mesoderm.
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