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Rina8888 [55]
3 years ago
15

PLS HELP!!!! PLS HURRY

Biology
1 answer:
Ivan3 years ago
8 0

Answer: A. An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic living, parts, as well as abiotic factors, or nonliving parts. 1. All living and nonliving things in an area make up an ecosystem. 2.Sorry I am unsure what you are asking. 3. They are abiotic factors. 1. The sun. A. Plants use the sun to make their food. (which is made out of glucose and starch.) b. I am unsure of the answer. I am sorry.

Explanation- Have a good day.

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Please help me with this biology question......
stiv31 [10]

Explanation:

If the paramecium was not able to contract its contractile vacuole, it would be in danger of bursting. The cell would not be able to hold too much water. ... When Amoeba is placed in salt water, it will lose water by exosmosis and will shrink.

7 0
3 years ago
Read 2 more answers
Explain the purposes of gene expression studies. Describe the use of DNA microarray assays and explain how they facilitate such
denis-greek [22]

Answer:

Both gene expression and DNA micro array study about the expression of gene during different stages of development.

Explanation:

The main purpose of gene expression studies is to determine the level of mRNA expressed at different stages of transcription in a tissue or at different stages of cellular development. If a gene is not “ON” during synthesis of RNA and protein, then the desired proteins are not produced. Such studies allow us to turn on such genes.  

DNA microarray  assays easily identify and determine the network of gene expression across the entire genome. The common application of DNA microarray include – mutation analysis and detection, assessment of gene cop, immunoassays etc.

4 0
3 years ago
The __________ lobe is in charge of the more accurate, reasoned choices and doesn't develop until
Norma-Jean [14]
<span>The answer is The frontal lobe is in charge of the more accurate, reasoned choices associated with adulthood.  Adolescents are more likely to process emotions in the amygdala then adults who use the frontal lobe. One of the reasons for bad decision making in adolescents is the immaturity of the prefrontal cortex.

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6 0
3 years ago
The opening of the stomata allows water to evaporate from inside the leaf in a process known
zhuklara [117]

Answer:

B

Explanation:

Because of the way and then you will have to get back to work

5 0
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Owls eat voles ( a relative of mice ); voles eat grass and seeds . Which food chain is correct ?
max2010maxim [7]

The correct answer is A.  You need to have something that starts with grass and ends with the owl. So the vole has to be in the middle.

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