Answer: Our superior extremities would have grown more larger but not thicker than ourselves.
Explanation: We haven't to use our superior extremities to move. But if humans were to walk on "all fours", we expect our bone sizes to evolve as form fits function
Answer: 1. Cambrian period, 5. rotation at the shoulder joint. 3. d. notochord, 4. d 2. d.
Explanation:
The first letter of an animal's genus is always capitalized, e.g., Panthera leo.
(This is the binomial nomenclature of a lion, whose genus is named after panthers)
There are four main organelles:
Nucleus
Ribosome
Rough Endoplasmic Reticulum
Golgi Apparatus
However, the ribosome is the most responsible for making protein, even though the other 3 are also important. It isn't a cell organelle but a cell structure that produces proteins.
Answer: B
Explanation: Hope it helps