The original source of energy for most organisms on Earth
Obtains its energy from eating animals only
obtains its energy from eating plants only
obtains its energy from eating both plants and animals
obtains its energy from eating dead organisms
increase in resources
increase in predators
increase in disease
decrease in resources
decrease in habitat
What happens to energy as it travels through a food chain?
Most of the energy in an organism is used for ____ _____.
An organism that cannot make its own food is called a
An organism that makes its own food is called a
Bacteria break down dead organisms and return the nutrients to the earth. These are called
Helps one, harms one
helps both organisms
helps neither organism -both could lose
helps one, one unaffected
Two organisms living closely together, benefits at least one
tapeworm in a cat - tapeworm gets nutrients, cat loses nutrients
cattle egret birds following cows - egrets get to eat insects stirred up by walking cattle
squirrel nest in a tree - squirrel builds nest in tree, tree not affected
hummingbird and a flower - hummingbird gets nectar to eat, flower gets pollenated
barnacles attach to a whale - barnacles get a place to live, whale unaffected
