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4 years ago

PLEASEE HELPPP!!!!

Biology

1 answer:

dusya [7]4 years ago

8 0

Answer:

The correct option is B) Freshwater snails and small fish

Explanation:

As we can see from the food web, the fresh water snails and the small fishes both feed on algae and water plants as their source of food hence, both these organisms feed on the same food.

Other options, like option C, is not correct because water boatman and water plants do not feed on the same sources. Water boatman feeds on reeds whereas water plants do not. Water plants will make their own food.

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Which student made observations of a community of organisms?

stellarik [79]

Answer:

student 2

Explanation:

I has different types of birds.

Community of organism is a group of different species living or around each other in the same habitat.

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3 years ago

Water found in an river is... A - Salt Water B - Fresh Water

lubasha [3.4K]

Answer:

B fresh water. salt water is a mixture found in oceans. hope this helps!

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3 years ago

Oxygen released during photosynthesis comes from A. ATP B.H2O C.CO2 D.C6H12O6

pickupchik [31]

Answer:

B. H2O

Explanation:

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3 years ago

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Define the terms "nature" and "nurture in the context of the Nature vs. Nurture controversy.

Karo-lina-s [1.5K]

Nature refers to your genetic predisposition to be a certain way and nurture refers to the effects that our parents or people who raised us have on us

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3 years ago

Where must an mRNA attach before protein production can begin?

kap26 [50]

Answer:

to a Ribosome

Explanation:

mRNA is produced inside the nucleus of a cell according to the genetic information present in the DNA of the cell. this process is known as Transcription.

Then it's sent to ribosomal subunits in the cytosol through nucleopores. then it attaches to the ribosome. the ribosome reads the nitrogenous base sequence and pairs the tRNAs with complementary nitrogenous bases. (your answer is here, but if you want to know more, continue reading it.)

Each tRNA contains a tri-nucleotide that is collectively known as an anticodon which has the complementary bases of the relevant codon on the mRNA.

Each tRNA has captured a protein. the type of protein is determined by the sequence of the anticodon.

It means two tRNAs with two different anticodons cannot bring the same protein to the ribosome.

the Ribosome separates the proteins attached to tRNAs and links them as a chain.

the final result is a polypeptide chain. I explained to you the basic protein synthetic process.

image credit: Wikipedia

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3 years ago