Question

Ce living and parasitic flatworms.
7. Newton's third law of motion gives the measure of force. (T/F)
8. The atmosphere is held to the​

Answer 1

F

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Answer 2

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The free-living species of flatworms are predators or scavengers. Parasitic forms feed on the tissues of their hosts. Most flatworms, such as the planarian shown in Figure 1, have a gastrovascular cavity rather than a complete digestive system.

Explanation:

7.The third law states that all forces between two objects exist in equal magnitude and opposite direction: if one object A exerts a force FA on a second object B, then B simultaneously exerts a force FB on A, and the two forces are equal in magnitude and opposite in direction: FA = −FB. The third law means that all ...

8.The atmosphere is held to the earth by gravity i.e., gravitational pull of earth on the air particle