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RUDIKE [14]
3 years ago
11

Help with all of them please ​

Biology
1 answer:
vitfil [10]3 years ago
7 0
Quizlet has answers to the test just type the test name in
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Which is the only kind of bird that has no eyeballs?
Genrish500 [490]
Owls dont have eyeballs
8 0
2 years ago
How do changes in nutrient levels affect the structure of aquatic food webs?
vodka [1.7K]

ANSWER:

The effects of increasing or decreasing the nutrient levels in an aquatic food webs is described in the explanation.

Explanation:

If the nutrient levels in an aquatic food web increase moderately then it will result in increased production of the primary producers and the consumers.

But if the nutrient levels are increased excessively, like in eutrophication, then the increased level of nutrients will result in overproduction of the consumers like fishes, etc. Hence, there will be a scarcity of resources like oxygen in the water to support them and this will lead to a decline in biodiversity of the aquatic food web.

If the nutrient levels are decreased, then there will be competition for resources among the species which will ultimately lead to the decline of some species from the aquatic food web.

3 0
3 years ago
Which process occurs only in autotrophic organisms? Calvin cycle chemiosmosis Krebs cycle proton pump mechanism
tankabanditka [31]
The answer to this question should be: Calvin cycle

Calvin cycle is a chemical reaction that was done in the chloroplast of a plant. This is one of the reactions in photosynthesis. In Calvin cycle, carbon dioxide and water will be used to make carbohydrates(glucose). This reaction is forming energy using the sunlight so only autotrophic organism capable that will be able to do it.

7 0
3 years ago
Which muscle elevates the eyebrows and wrinkles the forehead?
Murljashka [212]

Answer:

b. Frontalis

Explanation: is correct

6 0
2 years ago
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ASAP
nignag [31]

Answer:

c

Explanation:

4 0
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