What is whale ecosystem?
Whales play an amazing role in an ecosystem that keeps every creature on Earth alive, including you! Whales play a vital role in the marine ecosystem where they help provide at least half of the oxygen you breathe, combat climate change, and sustain fish stocks.
What type of animals is the humpback whale?
Like all whales, humpback whales are mammals and give live birth to very large calves. These whales are known for their singing; during courtship, the males compose intricate songs to attract females. The killer whale is the only species known to attack and eat humpback whales (always juveniles).
How long have humpback whale existed?
Their dorsal fin is falcate (curved). All members of the Order Cetacea (includes all whales, toothed and those using baleen) are believed to have evolved from terrestrial hoofed mammals like cows, camels, and sheep some 45 million years ago – that’s about 40 million years before humans!
What are dolphins life cycle?
Life history cycle Bottlenose Dolphin calves are born in the water after a gestation period of one year and suckle for about 18 months. They remain with the mother for about four years. They are a long-lived species, with an extensive life span of up to 45 years.
Did elephants and mammoths coexist?
Modern elephants and woolly mammoths share a common ancestor that split into separate species about 6 million years ago, the study reports. At that time African elephants branched off first.
Is an elephant a rodent?
Did you know that elephants are related to hyraxes, those vaguely rodent-like animals that live in Africa? This is one of those little factoids that people like to float. Several lines of molecular evidence indicate that elephants are more closely related to dugongs and manatees than they are to hyraxes.
Which is the world’s largest rodent?
capybara
What is the elephant baby?
calf