Answer:any of a number of organized or specialized structures within a living cell.
Explanation:
Explanation:
building and maintaining a clean habitat treating and preventing illness and pests
Answer:
The correct answer is option D.
Explanation:
Adaptive radiation in evolutionary biology refers to a procedure in which diversification of organisms’ takes place briskly from a familial species to various new forms, mainly when a modification in the surroundings develops new challenges, makes accessibility of new resources, or opens new environmental niches. Thus, the phylogeny of the birds demonstrating a single common ancestor for the group is an illustration of adaptive radiation.
B) observation of healthy individuals