BIOLOGY HIGH SCHOOL

What term includes all the biotic and abiotic elements in an area? A)ecosystem
b. population
c. biome
d. organ

Answers

Answer 1
Answer:

Answer:

The correct answer would be A) ecosystem.

Ecosystem refers to the community made up of all the living organisms (biotic component), their physical environment and all their interactions in a given space.

The biotic and abiotic components of the ecosystem are linked with the help of energy flows and nutrient cycles.
Answer 2
Answer: A)ecosystem - this is true! an ecosystem includes both living and non-living objects in a system!
b. population - this is only biotic: a population is a group of organisms, and organisms are biotic
c. biome - this is also only biotic: it's a large community of plants and animals over a large area
d. organ- this would be only biotic (parts of living organism)

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An experiment looking at structures smaller than a cell would most likely employ a _______.a. dissecting microscope
b. transmission electron microscope
c. scanning electron microscope
d. compound light microscope

Answers

Answer:

The correct answer is option b.

Explanation:

Transmission electron microscope or TEM emits electrons that pass through the vacuum tube of the microscope. TEM has an electromagnetic lens that focuses the electrons into a very fine beam.

The transmission electron microscope can be used to seeing very thin specimens of tissue sections, molecules, and other smaller structures that can not be seen by light microscope or dissecting microscope, in which electrons can travel creating a projection image.

Thus, the correct answer is option b.
transmission electron microscope

During DNA replication DNA is split apart into two strands as the new DNA strands are created what is the function of DNA polymerase

Answers

The main function of DNA polymerase is to make DNA from nucleotides

How many acres of land do you think were required for all forms of food exceptbeef?
A. 20,475 acres
B. 45,510 acres
C. 105,000 acres
D. 410,505 acres

Answers

The answer would be 105,000

Is a quail warm blooded or cold blooded

Answers

A quail, like most birds, is cold blooded.

Which of the following is a source of genetic variation in sexually reproducing organisms?a. replication
b. dominance
c. mitosis
d. meiosis

Answers

the answer is d.meiosis

The sympathetic nervous system controls all _________ responses of the body. a. conscious
b. involuntary
c. emergency
d. repeated

Answers

I believe the correct answer from the choices listed above is option C.The sympathetic nervous system controls all  emergency  responses of the body. The SNS triggers what is commonly known as the "fight or flight" response. Hope this answers the question.
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