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.
Answer:
This outcome in a hybrid zone is known as <u><em>fusion</em></u>.
Explanation:
In the field of biology, hybrid zone can be described as the area where closely-related species can interbreed and produce hybrid organisms. Reinforcement can be described as the phenomenon by which a hybrid zone develops between full species barriers. Hybrid speciation can be described as the phenomenon by which a new species forms as the direct result of mating between members of two existing species.
Answer:
C
Explanation:
As shown in the picture I attached to my answer, we can see all of the tectonic plates, which make up the lithosphere. The pieces do move very slightly every year.
Answer:
The hypothalamus is the key brain site for central control of the autonomic nervous system, and the paraventricular nucleus is the key hypothalamic site for this control.
Explanation:
