Answer:
I think Galaxy hope this help in anyway!
Explanation:
Here is my answer. The brain and the nervous system assists in times of limited body resources by sending signals to the brain the necessities or needs that the other body systems require in order to function properly. Hope this answers your question. Have a great day!
Answer:
On the basis of physical traits.
Explanation:
Newer classification systems classify organisms on the basis of physical traits of an organism. All modern classification systems gets their concept and help from Linnaean classification system. In these new classification systems, those organisms that have similar characteristics are placed in one group because they evolve from the same ancestor or having common ancestry. These changes occurs in the organisms with the passage of time that helps organisms to survive in that environment.
A. the history is the moths that where white where able to blend in the trees before the pollution of the trees causing the trunks to turn black and the frequency of the blacks being seen to be more then the whites
