Honey bees engage in entomophily, pollination through pollen distribution, as pa

Question

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

10 points   

QUESTION 2

Based on your data, how does the percentage of oil change as you increase in trophic level?

increases

decreases

stays the same

shows no clear trend

10 points   

QUESTION 3

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

10 points   

QUESTION 4

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

10 points   

QUESTION 5

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

True

False

10 points   

QUESTION 6

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

10 points   

QUESTION 7

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

predation

mutualism

competition

commensalism

10 points   

QUESTION 8

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

10 points   

QUESTION 9

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)

10 points   

QUESTION 10

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

heterotrophs

autotrophs

lithotrophs

chemoautotrophs

ecosystem

niche

habitat

community

Explanation / Answer

Answer 1.

pollinators strongly affect the ecological system, genetic variation in plant organism, floral diversity and ecosystem conservation. Honey bee engages in pollination in different climatic conditions like savannah, tropical climate and in the temperate deciduous forest which won't be able to survive without the pollination by bees. in the process of pollination bees also get benefitted by getting nectar from the flowers which they use as reserve material as well as for the food.

An ecosystem is defined as the biological community of interacting organisms and their physical environment.

So the answer will be Option Ecosystem

Question 2 has some missing information

Answer 3. Plant the only organism which are able to trap sunlight and fix CO2 which they convert it to Carbohydrates, which stores energy in the form of CArbon-carbon bond.

SO the answer is

Energy in the food chain is stored in the form of Carbon-Carbon form

Answer 4. Bioaccumulation is a process in which fat-soluble insecticides concentration increase as we move in the trophic level.

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

Answer 5. Because sunlight and water are so common, plants do not compete for these resources.

Answer will be false. Nature has unlimited supply of Sunlight and water which make the plant to utilize it without competing with each other

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