Without the greenhouse effect, there would be more ice on Earth’s surface. The answer is B.
Answer:
B. Allows for specialized regions with specialized functions
Explanation:
Where the complete digestive system has different specialized regions to perform specialized functions, the gastrovascular cavity is the primary organ of digestion and circulation in two major animal phyla: the Cnidaria (including jellyfish and corals) and Platyhelminthes (flatworms).
Controls what substances can move in and out of the cell. it also protects the cell from its surroundings.
Fungi <span>contains paired statements that can be used to identify organisms.</span>
