snakes

snakes

Storyboard Text

  • how do snakes homeostasis
  • Snakes and other ectotherms are cold-blooded animals that lack the ability to generate body heat internally.
  • how do snakes use energy Most snakes simply swallow their prey whole. To fit the large prey into their mouth, the snake's jaw will unhinge.
  • how do snakes change over time. It is generally thought snakes evolved from lizards. Over time, their legs got smaller and eventually they were lost altogether. Exactly how and when the first limbless snakes appeared on Earth is not known, but fossils show their limbed ancestors still existed about 100 million years ago.
  • how do snakes reproduction Snake courtship happens when the male snake puts his chin on the back of the female snake's head and crawls on her. If she is willing to mate, she lifts her tail. When snakes mate, the male snake extends his hemipenes, two organs that come out of the cloaca, and fertilizes the eggs inside the female. 
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