The research party began by exploring the embryonic development of whales' cousins, the dolphins. These creatures are intriguing because, for a brief time during development, they sprout hind limbs . That's why dolphins lose their 'legs'.” In whales, however, the story is more complex.
Answer:
changes in the environment and or cross breeding
Explanation:
ANSWER:
they dont make their own food only photosynthetic creatures can.
~batmans wife
The apocrine glands.
Hope this helps!
pls give Brainliest answer!
