When the race is almost to begin, nervous system sends signals to the heart causing the respiratory rate to increase. since there is an increase in heart rate, breathing and sweating becomes increases in order to maintain a normal body temperature.
The answer is B.
This is because it says that the population tends to level off meaning that it stays around the same population size since it is the maximum amount of individuals that can survive.
Genes have two alleles.
Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent. Each pair of alleles represents the genotype of a specific gene.
Answer:
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Answer:
Explanation below
Explanation:
DNA is the one responsible for character or trait transfer because it contains genes.
There are genes for sperm and these sperms are for reproduction.
