Answer: C. The population crashed.
Explanation: It is explained through the fact that there was a constant decreasing rate up until about 1925, to which the rate started to increase.
Antagonists muscles (e.g. biceps and triceps brachii)
Either the skull or cranium. Or the liquid it stays in cerebrospinal fluid
Answer:
no digestive system
Explanation:
Animals in Cestoda have no digestive system so they takes nutrients through its cell wall. Cestodes have no digestive tract so they absorb nutrients from the host across the body wall. Most of the flatworms have conspicuous digestive systems while on the other hand, the digestive system of turbellarians consists of mouth, pharynx, and intestine so we can conclude that Cestoda have no digestive system to absorb nutrients like other organisms.