What conclusion can you draw from the population pyramid?

death rates are low.

birth rates are high.

birth rates are low.

life expectancy is high.

Option B, Birth rates are high.

Explanation:

A population pyramid with wide base and tapered at top shows that the number of young people in a given population are higher than people of other age group. This usually happens when the birth rate is high. This kind of population pyramid can be seen for countries with lower rate of development or are under developed. For example – Nigeria, Mexico, Bangladesh have such population pyramids

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.