Adults spend about 20% of their time asleep in rem sleep. Hope this helped, have a great day! :D
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.
A method of classification of animals and plants according to the proportion of measurable characteristics that they have in common. It is assumed that the higher the proportion of characteristics that two organisms share, the more recently they diverged from a common ancestor.
Answer:
C
Explanation:
Darwinian fitness means the ability to survive, find a mate and produce offspring
