Answer:
I think it is the first one
Explanation:
I
Answer:
Ingestion = Chemical
Propulsion = don't know...
Mechanical breakdown = Chemical
Elimination = chemical
Absoption = both
Chemical degestion = chemical
You observe a species of bird that, upon hatching, has contact with its parents only while being fed. You also never hear the parents sing during the feeding process. What would you propose about song production in this species of bird?
A. Song learning in this species is most likely learned behavior.
B. The period of imprinting is likely later in the bird's life.
C. This species does not hear.
<span>D. Song production in this species is most likely innate behavior.
the answer is d im pretty sure
</span>
Answer:
The answer is B. Mergus serrator and Mergus merganser
Explanation:
- <u><em>They are ducks and they are closley related.</em></u>
That would be skeletal muscle, which is also a voluntary muscle.