characteristics of a mammal:
warm-blooded higher vertebrates
suckle their young with milk secreted by mammary glands
have skin with hair
four chambered heart
Whales are mammals and not fish for many reasons: They have no scales, they breathe air, they have hair, they don't have gills, they have lungs, they are viviparous, not oviparous, they feed their young with milk, etc...
aye, whales and dolphins ARE mammals. Although, why they are I am not sure.
All whales are mammals. As are dolphins as well.
they are mammals
No true fish are mammals. There are marine mammals such as the dolphin, orca, and whales.
No, dolphins and whales are dolphins and whales, members of the Order Cetacea. Only people are humans. Humans, like dolphins and whales, are mammals. But humans are members of the Primate Order.
Dolphins are in the group of marine mammals called cetaceans, specifically within the family Delphinidae. Within this family, there are different genera and species of dolphins, such as bottlenose dolphins, killer whales, and spinner dolphins.
yes
Dolphins, whales
Sea mammals
Dolphins are members of the whales' mammal group
Yes , dolphins are mammals . They have hair and mammary glands which are most important characters of mammals . They are type of whales .
They are called marine mammals, more specifically cetaceans (whales, dolphins) rather than manatees or dugongs, or semi-aquatic mammals such as seals, sea lions, and otters.