Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in heritable traits of a population over time. The term "natural selection" was popularised by Charles Darwin who compared it with artificial selection, now more commonly referred to as selective breeding.
The cerebrum is a large part of the brain containing the cerebral cortex it lies either in front or on top of the brainstem
Like transpiration in plants mammal's hypothalamus makes sweat glands functional and mammal's body secretes sweat which on evaporation decreases the body temperature
Answer:
25
Explanation:
It depends if number is more than 5 or 5 it will change and if it is less than 5 then it will be same
The answer is D the birds and the same bone structure but there beaks changed to eat different food so it can't be a or b and the song is just for mating and they are different species so the answer is D. (D)
