22. How were the snakes? What did they do?
Answers
Explanation:
Kingdom: Animalia
Class: Reptilia
Phylum: Chordata
Order: Squamata
snakes are both predator and pray, they keep the pest population down by feeding on mice and other small rodents that damage crops and carry disease. Snakes also provide food for larger mammals, birds and even other snakes.
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Answer:
There are more than 3,000 species of snakes on the planet and they’re found everywhere except in Antarctica, Iceland, Ireland, Greenland, and New Zealand. About 600 species are venomous, and only about 200—seven percent—are able to kill or significantly wound a human.
Nonvenomous snakes, which range from harmless garter snakes to the not-so-harmless python, dispatch their victims by swallowing them alive or constricting them to death. Whether they kill by striking with venom or squeezing, nearly all snakes eat their food whole, in sometimes astoundingly large portions.
How snakes hunt
Snakes also have forked tongues, which they flick in different directions to smell their surroundings. That lets them know when danger—or food—is nearby.
Snakes have several other ways to detect a snack. Openings called pit holes in front of their eyes sense the heat given off by warm-blooded prey. And bones in their lower jaws pick up vibrations from rodents and other scurrying animals. When they do capture prey, snakes can eat animals up to three times bigger than their head is wide because their lower jaws unhinge from their upper jaws. Once in a snake’s mouth, the prey is held in place by teeth that face inward, trapping it there.
Habits
About once a month snakes shed their skin, a process called ecdysis that makes room for growth and gets rid of parasites. They rub against a tree branch or other object, then slither out of their skin head first, leaving it discarded inside-out.
Most snakes lay eggs, but some species—like sea snakes—give live birth to young. Very few snakes pay any attention to their eggs, with the exception of pythons, which incubate their eggs.
There are roughly a hundred snake species listed by the IUCN Red List as endangered, typically due to habitat loss from development.
Here’s a fact to make ophidiophobes feel uneasy: Five species of snakes can fly.
Sea snakes
Most snakes live on land, but there are about 70 species of snakes that live in the Indian and Pacific oceans. Sea snakes and their cousins, kraits, are some of the most venomous snakes that exist, but they pose little threat to humans because they’re shy, gentle, and their fangs are too short to do much damage.
Explanation: