Solved by a verified expert: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