The disappearance of the deer indicates A. Intraspecific Competition
The alveoli are lined with mucus and are surrounded by a network of blood capillaries. They have very thin walls for gases to be absorbed through. An individual air sac is called an alveolus. The layer of moisture in the alveoli allows gases to dissolve so that they can diffuse quickly.
Answer:
They used artificial selection
Explanation:
Breeding animals who had desirable or good traits. For example, they bred cows who produced the most milk and plants that produced the most vegetables. :))
If you have 3 big circles in a graph the inside being organs the middle being tissues and the outer being cells. It would be#4. Hope this helps
