What happens when blood glucose levels rise above normal? a the pancreas releases insulin. b the pancreas releases glucagon. c the pituitary gland releases insulin. d the pituitary gland releases glucagon.

Genetic diversity is the variation in the genes of an entire species. each circle represents a population of a particular species in different habitats. select the population with maximum genetic diversity

Lymphatic vessels remove excess fluid from tissues. often after mammexront( the surgical procedure to remove of all or part of a breast) the lymphatic vessels draining the arm are damaged. explain a consequence of this damage. what can be done to reduce the symptoms?

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?