Honey bees engage in
entomophily, pollination through pollen distribution, as part of the process to
produce honey. What is entomophily an example of?

ecosystem

niche

habitat

community

how does the
percentage of oil change as you increase in trophic level?

increases

decreases

stays the same

shows no clear trend

How is energy
typically stored in the food chain?

in carbon-carbon bonds

in hydrogen-hydrogen bonds

in carbon-hydrogen bonds

in oxygen-oxygen bonds

DDT is an insecticide
that can remain in the bodies of insects and then is transferred to the fat of
the animals who eat the insects. Based
on what you know about bioaccumulation, who would be most impacted by DDT?

birds who eat the insects (trophic level 2)

small mammals who eat the insects (trophic level 2)

birds of prey who eat small mammals and other birds (trophic
level 3)

all are equally affected

Because sunlight and
water are so common, plants do not compete for these resources

True

False

Black-footed ferrets
live in prairie dog holes once the prairie dogs have moved on from the
holes. This is an example of

mutualism

commensalism

parasitism

competition

Burrowing owls live
in prairie dog holes by chasing away the resident prairie dogs. This is an example of

predation

mutualism

competition

commensalism

Buffalo herds move
along the prairie eating the grass as they go.
When they have moved on, the grass regrows more quickly and is a better
food source for the herbivores on the prairie.
When the buffalo were hunted nearly to extinction, what happened to the
other herbivores on the prairie?

population density increased

population density decreased

all herbivores went extinct

there was no impact on the ecosystem when the buffalo
disappeared

To get the most of
the available energy in our food, humans should eat

plants (trophic level 1)

cows (trophic level 2)

tuna (trophic level 3)

swordfish (trophic level 4)

What term describes
animals which must eat other organisms to obtain food?

heterotrophs

autotrophs

lithotrophs

chemoautotrophs