5. The nervous system is considered and can respond to a stimulus, like in hundredths of a second.​

Yes!

Explanation:

cause A nerve impulse is wave of electrical and chemical activity transmitted between neurons. that means  The nervous system is considered and can respond to a stimulus, like in hundredths of a second.​

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

bc blah

explanation:

bc blah