Apod of bottlenose dolphins is showing signs of stress in the gulf of mexico. why would it be important for scientists to study the age structure of the pod?
age structure would scientists determine if the problem exists with young or old dolphins.
age structure would scientists determine where the dolphins have been and why.
age structure would scientists determine if there is a high mortality rate amongst the dolphins.
age structure would scientists determine if the dolphins have been suffering from biomagnification.

Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

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.