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;
Forward chaining and backward chaining are Similar in that;
Both are used to teach a chain of behaviors.
Both use procedures,
Both teach one behavior at a time and chain the behaviors together.
Both procedures use prompting and fading to teach each component
Explanation;
-Backward chaining; When you teach the last stimulus-response component first. Then teach the next to last component and so on.
-Forward chaining; Teach the first stimulus-response component first. Then teach the second component and so on
The answer would be (GENUS)
~hope this helped~
Answer:
they can fly , which requires alot of energy & keep their body warm with their feathers