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bezimeni [28]
3 years ago
13

What would an ecologist measure in order to construct a pyramid of biomass for an ecosystem?

Biology
1 answer:
kvasek [131]3 years ago
7 0

Explanation:

the total mass of all the organisms in a representative area of the ecosystem C. the total mass of all the organisms in the ecosystem D. the number of organisms in each trophic level of the food web. leticiasilvacos is waiting for your help.

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siniylev [52]
22. D, that means the soil uhhhh helps the roots to grow??? Also because sunlight causes photosynthesis- sorry i’m not good at this hope it helps
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The mitral valve is in between which two chambers of the heart?
d1i1m1o1n [39]
Lit is located between the left ventricle and left atrium.

Left atrium is known to be one of the four chambers of heart that receives oxygenated blood from the right and left pulmonary veins. This blood is pumps to the left ventricle through the mitral valve. However, left ventricle is responsible for pushing oxygenated blood through the aorta to the rest of the body.


3 0
3 years ago
How might producing offspring with a wide variety of variations help a species to survive
tatiyna
The variations might help the organism to survive if there is a change in its environment
Eg heat resistant bacteria

The variation might help the organism survive predators
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4 0
3 years ago
Lesson 2: Natural Selection I need answers to portfolio or my mom will kill me
Mamont248 [21]

Answer:

im in the same situation man

Explanation:

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7 0
3 years ago
Read 2 more answers
Why do the cells transformed with PUC18 and plasmid lux grow in the presence of ampicillin?
Fofino [41]

Answer:

The bacterial cells transformed with PUC18 and plasmid lux grow in the presence of ampicillin, because the DNA of bacterial cells had incorporated parts of plasmid DNA and became ampicillin resistant.

Explanation:

The bacteria showing this property is mainly known as Escherichia coli (E. coli). These bacteria cells generally shows no growth in presence of antibiotic like ampicillin. Whereas when these cells are treated with PUC 18 and plasmid lux, then the bacterial DNA undergo certain transformation due to incorporation of strands of DNA of plasmid into them. This transformation make them resistance to ampicillin, when they are cultured in agar media with ampicillin in it.

3 0
3 years ago
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