Whales are very large animals that live in the ocean.But they are not fish.Whales are mammals(哺乳动物),so they feed milk to their (1) babies(baby) and breathe as we do.Whales cannot breathe under water.They must come (2) outof the water to get air.Whales often swim in small group...
Seals breathe air, but that doesn't stop some of them from sleeping underwater. They hold their breath and dive deep to sleep for up to twenty minutes at a time. Sleeping deep underwater helps these seals stay safe from animals that hunt them near the surface. Horses often sleep standing...
The hippopotamus spends most of its time in water.It has almost no hair and eats grass and water plants.its eyes and nostrils stick out so that it can see and breathe when underwater. 河马大部分时间都在水里。它几乎没有头发,吃草和水生植物...
The hippopotamus spends most of its time in water.It has almost no hair and eats grass and water plants.its eyes and nostrils stick out so that it can see and breathe when underwater. 河马大部分时间都在水里。它几乎没有头发,吃草和水生植...
Beavers have big, strong teeth that they use to cut down trees and other materials for their homes. Did you know that beavers can hold their breath for up to 15 minutes underwater? That’s longer than most kids can hold their breath! Beetle Beetles are like tiny, armored tanks. They ...
The ducks in the middle sleep deeply with both eyes closed.Seals breathe air, _ 7 that doesn't stop some of them from sleeping underwater. They hold their breath and dive deep to sleep for up to twenty minutes at a time. Sleeping deep underwater helps these seals stay safe from ...
But the ducks in the middle can sleep with both eyes 7.Seals(海豹) breathe air, 8_ that doesn't stop some of them from sleeping underwater. They hold their breath(屏住呼吸) and dive(潜水) deep to sleep for up to twenty minutes at a time. Sleeping deep underwater helps these seals ...
The hippopotamus spends most of its time in water.It has almost no hair and eats grass and water plants.its eyes and nostrils stick out so that it can see and breathe when underwater. 河马大部分时间都在水里。它几乎没有头发,吃草和水生植物...
other fishs brain.I am smart-like all manta rays . As the largest ray in the world , my body is huge ,flat , and wide , with fins that look like wings . Although I am related to stingrays , I do not sting . People like to watch me jump out ...
This slimy texture allows them to better absorb water and gas in their environment. Throughout their evolution, at an early stage, they have developed complex systems such as gills to help them breathe underwater. As they grow, they start developing lunges enabling them to breathe air. Making...