Answer:
the branch of biology and medicine concerned with the study of embryos and their development.
Explanation:
sorry if it is wrong!!!
Answer:
a mutation that causes female pigs to have less offspring
Explanation:
Answer:
Because it is a solid that has trapped air with the water molecules in cold temperature thus creating a hard solid.
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.
