Copepods primary producer, phytoplankton secondary consumer, herring tertiary consumer, sea lion quaternary consumer, and the killer whale is the primary consumer.
Answer:
brown in summer, grey in winter -> camouflage from predators
storing fat during the summer -> gives them extra energy in the winter when there is less food
antlers with forward projections -> allows them to dig in the snow to uncover more food sources, also good for fighting predators
widely spaced hooves -> easily walk on snow and to dig for more food
migrate in herds -> find new area for more food & escape extreme weather, predators, and pesky bugs
Explanation:
Pumping blood in and out of the heart.
Answer:
If one wants to estimate the cost of living of an individual, then the factors such as salary, age, marital status, etc. are independent variables, while the cost of living of a person is highly dependent on such factors. Therefore, they are designated as the dependent variable.
A pollutant is a substance or energy introduced into the environment that has undesired effects, or adversely affects the usefulness of a resource.
