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by live birth.
Whales produce milke to feed their young
No! Whales are air-breathing mammals that give birth to live young. Whales produce milk for their young, which also designates them as mammals.
Assuming you mean "roe", as in fish eggs, whales don't produce roe (eggs) but give live birth to their young>
49 Years old, dummy.
Whales breath air,give birth to live young, and produce milk
Yes Killer Whales can produce milk because they are mammals and all mammals can produce milk.
Blue whales can produce over 40 gallons of sperm .
Whales and seals are both mammals. They fit the criteria of being warm blooded vertebrates with hair (yes, even whales have a little hair) that produce milk for their young. However, penguins are not mammals. Instead, they are flightless, semi-aquatic birds.
Whales are mammals. That is they suckle their young.
how do bottled-nose whales protect their young how do bottled-nose whales protect their young how do bottled-nose whales protect their young
Beluga whales are considered mammals because they have the characteristics of (almost all) mammals: live birth, suckle their young, etc