Male emperor penguins spend the coldest month in antarctica incubating their eggs. when the chicks hatch they still have to be protected from the extreme cold temperatures. explain why this is actually beneficial to the survival of the species versus laying the eggs during the summer months.

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.