8 d

阅读下列短文.从每题所给的A.B.C.D四个选项中选出最佳选项.?

阅读下列短文.从每题所给的A.B.C.D四个选项中选出最佳选项.?

WebMar 28, 2024 · Because shark gills are so crucial, they do not require blowholes. Do Whale Sharks Have Mammary Glands. Despite the fact that some shark species are called whale sharks, sharks are fish in many ways and differ significantly from mammals in many ways. Similarly, mammals, like humans, breathe air through their lungs, eat milk, and are … WebMar 25, 2024 · Whales, along with dolphins and porpoises, are warm-blooded mammals and breathe air like humans do. There are some significant differences between whales and fish: Whales are warm blooded. Fish are cold blooded. Is Whale a cold blooded? Whales are warm-blooded mammals that can survive in water temperatures as frigid as the low … do head lice like clean hair WebJan 26, 2024 · The tropics are home to few warm-blooded mammals and bird species (seals, whales and penguins), and only dolphins show high diversity in the warmer waters of the tropics. WebDolphins are mammals, not fish. E ven though they live in the ocean all of the time, dolphins are mammals, not fish. Also, dolphins are different than "dolphinfish," which are also known as mahi-mahi. Like every … do head lice like coloured hair WebDolphins are marine mammals. They must surface to breathe air and give birth to live young. A dolphin pregnancy last between nine and 16 months. The mother feeds her offspring on milk. The sons and daughters of … WebDolphins are warm-blooded and have blubber to keep them warm. Fish are cold-blooded and are able to adjust to the different temperatures of the water without the need of body fat to keep them warm. Most species of fish are also known to lay eggs and can lay hundreds of eggs in a single year. Dolphins give birth to a single baby once every 1 ... do head lice live on furniture WebWhales are warm blooded. Fish are cold blooded. Whales breathe air through lungs. Fish use gills to extract air from water. Whales give birth to live young. Most fish (with some exceptions) lay eggs. The tail of a whale moves up and down. The tail of a …

Post Opinion