Cognition is best described as: a) a reversible and normal suspension of consciousness. b) recognizing, processing, planning, and responding to stimuli. c) encoding and storing learned information in our neural circuitry. d) the ability to comprehend and produce words.

Recognizing, processing, planning, and responding to stimuli.

Explanation:

Cognition may be defined as the process or mental action that helps in acquiring knowledge and understanding something. This might encompasses  the intellectual functions as well.

The main aim of cognition is recognition or to recognize some thing. After recognizing the individual must have the ability to process the information and must have proper plan to use this information. The individual then can respond to that particular stimuli after the proper cognition.

Thus, the correct answer is option (b).

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation