Answer:c. homeostasis
Explanation:homeostasis is the mechanism of the body to regulate and keep constant it's internal environment.
It usually involves a receptor which receives the stimuli,an intergration center which is usually the brain,and the effector.
Humans are warm blooded animals and so need to keep their body temperature constant regardless of that of the environment.
When it gets cold,the body shivers, Goosebumps appear and the hairs stands in attempts to keep the body warm
Answer:
Option D, Gene Flow
Explanation:
Gene flow is defined as the flow of genes from one population to other thereby causing variation in the base population. Here the population of mole will have a certain number of genes but its interaction with a foreign species will lead to evolution of population through natural selection and genes of this foreign species will also get mixed with genes of mole population which later on may lead to further variations with in a single set of population inclusive of all
.
Hence, option D is correct
Species.
The answer for that is easy to find on google. You should have just googled it.