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tatuchka [14]
3 years ago
8

How do ecologists define an ecosystem?

Biology
1 answer:
Free_Kalibri [48]3 years ago
7 0

Answer:

An ecosystem consists of all the organisms in an area, the community, and the abiotic factors that influence that community. Ecosystem ecologists often focus on flow of energy and recycling of nutrients. Biosphere: The biosphere is planet Earth, viewed as an ecological system.

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Question 2
AlekseyPX

It appears that some of the answer choices got cut off in the image. In any case, thermal energy would flow from a higher-temperature cube to a lower-temperature cube.

So the correct answer should be among the following formulations:

Cube #1 to Cube #3

Cube #2 to Cube #1

Cube #2 to Cube #4

Cube #4 to Cube #3.

8 0
3 years ago
Different types of cells within an organism ______.
Natasha2012 [34]
The answer is C, serve a different function.

In multicellular organisms, same types of cells makes up a tissue, and tissue makes up organs, then eventually organs work together as an organ system.

For example in humans, stomach cells makes up the stomach tissues, and stomach tissues makes up the stomach. stomach can help digest food and mix food molecules together. But in opposition, red blood cells is present in the blood tissue, however, their function is not to digest food, but is to transport oxygen.

Therefore, we can see that different cells serve a different function.
5 0
3 years ago
HELP!
Lynna [10]

Answer:

A. a protein

Explanation:

Proteins function as enzymes in most of the catalyzing reactions, that increases the rate of reaction within cell.

Proteins are consist of multiple numbers of amino acids and the twisting and folding amino acids provide a unique identity to enzymes. Not all the proteins are enzymes but all the enzymes are proteins.

For example: Trypsin, Pepsin, and Lipases.

Hence, the correct option is "A. a protein".

5 0
3 years ago
When would a testcross be done?
vova2212 [387]
<span>Additional facts:
A test cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring.
Answer:
You'd use it when you wish to see if the one that you think is a homozygous dominant is a purebred, because if you did get a recessive offspring then it proves that the animal is a heterozygous and not a purebred.</span>
7 0
3 years ago
Describe the adaptations of the mouthparts of leaf-eaters and meat-eaters.
Keith_Richards [23]

Answer:

Leaf eaters have mouth parts made for grasping/grinding, while meat eaters have sharp mouth parts that capture food and dice it up into little pieces.

Explanation:

Leaf eaters have small teeth rather than meat eaters who have big sharp teeth.

Hope this helps!

Brainly?

8 0
3 years ago
Read 2 more answers
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