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Vinil7 [7]
3 years ago
5

Match the four components of an ecosystem with appropriate examples of each.

Biology
1 answer:
mina [271]3 years ago
8 0
<span>The correct answer is c. producer: elodea, consumer: squirrel, decomposer: crayfish, abiotic: phosphates.</span>
Elodea-the aquatic autotrophic plant (makes its own food) which does photosynthesis,
Squirrel-animal, heterotrophic organism (consume food which plant produce), <span>Crayfish- feed on animals and plants, either living or decomposing, and detritus,</span> <span>Phosphates-non-living, organic or inorganic molecule.</span>
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Assuming average nucleosome spacing throughout the genome, how many molecules of histone H2A are present in the chromatin of one
Mashcka [7]

Answer: Two molecules of H2A

Explanation:

Structural organization of nucleosomes were determined by isolating them from unfolded chromatin and it has been found that the basic units of chromatin are the nucleosomes which consist of histone octamers of two molecule each of histone H2A and other histone molecules like H2B, H3 and H4. The histones are wrapped around with 147bp of DNA in almost two (2) turns.

5 0
3 years ago
Use the following words correctly in a sentence: nucleus, chromosome, gene, DNA.
katrin2010 [14]

Answer:

A nucleus is the membrane-bound organelle, and it has the chromosomes, and genes are made up from DNA.

Explanation:

8 0
3 years ago
What is the function of the structure labeled Y?
Rashid [163]

Hey there!

I'm assuming it's pointing to the wall in between the two sections of the heart.

We can go over the function of the blue section and red section of the heart. Though I must admit I am not well versed with hearts of birds, I will assume this is similar to a human one. The blue section <u>receives blood from the body which doesn't have any oxygen left in it,</u> and the red section <u>receives blood from the lungs, newly oxygenated.</u> This sector in between separates these two sections, and separates oxygen-poor blood and oxygen-rich blood.

Thus, your answer is option D.

Hope this helps, feel free to let me know if you have any additional questions about this specific problem!

3 0
3 years ago
Read 2 more answers
What are the biotic factors that would affect owl populations
Lena [83]

Answer:

I would select

A and C

Explanation:

Biotic factors are those of which are living

8 0
2 years ago
The cell theory apply to
gayaneshka [121]
The Cell Theory Applies to ⬇

✅Multicellular Organisms✅

✅Plants & Animals✅

✅Bacteria✅
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