The answer I think is the environment for this one. <span />
Answer:
which of the following???????
Answer:
They digest without the use of teeth.
Explanation:
The food trickles from the crop into the bird's stomach (proventriculus or gizzard) where digestive enzymes are added to the mix and physical grinding of the food occurs. The gizzard is why chickens do not need teeth.
Animal cells contain dna enclosed in the nucleus
