<u>Answer:</u>
"The birds have different mating seasons" piece of evidence supports the second student's argument.
<u>Explanation:</u>
The precise timing for bird sets to successfully match varies, and the timing for distinct species develops to give the consequent chicks the best chance of survival. Speciation is the mechanism through which new species are produced. This happens when classes within an individual are separated and diverge reproductively.
Organisms contribute to the same group as per the biological species definition if they can reproduce in order to create healthy, fertile offspring. Group are divided by prezygotic and postzygotic restrictions which prevent mating or producing viable, fertile offspring from each other.
Average mass of the atoms of an element measured in atomic mass unit
Answer:
The correct answer is dopamine.
Explanation:
The pleasure pathway also termed as a reward pathway. It is a dopaminergic or dopamine stimulated pathway in the brain. These are groups of projection neurons present in the brain. These projections secrete the neurotransmitter called dopamine. It is related to happiness or reward hormones stimulate during pleasure.
Cocaine exhibits addictive effects by acting on, a set of interconnected parts that manage pleasure by producing dopamine.
Thus, the correct answer is dopamine.
Answer:
Why can a female only pass on an X chromosome to offspring?
It is an established fact that female has XX chromosomes while male has XY chromosomes, during fertilization both male and female donate one of the pairs to form a pair of allele for the offspring. The female donate an X chromosome since the two chromosomes in her possession is XX while the male donate either of the X or Y chromosome
Explanation: