The Answer Would Either be C or D
There is a 50/50 chance of there being a male or female. The mother puts off the X chromosome, while the father is the factor that can make the gender. The X chromosome is female, while the Y chromosome is the male. The father can either put off the X or Y.
Both questions in this item are just similar. The area in the cerebral cortex that is involved in the initiation of the motor impulses are localized in the posterior aspect of the frontal lobe. The answer to this item is the third choice.
Frontal lobe is one of the principal areas of the brain that is involved in the motor functions. The specific cortex for this function is commonly called as the M1 or the primary motor cortex.
Answer: The regular progression of a species' replacement is known as ecological succession, or simply just succession.
Explanation: All ecosystems are not static, they change through time. All animals, plants, microorganisms, etc. (different species) create changes to their environments, but other factors such as climate change/weather, over-exploitation, human involvement, and other factors change an ecosystem.
