What organs comprise the respiratory system of a bird

Biology

1 answer:

enyata [817]3 years ago

6 0

Answer:

Paired lungs

Explanation:

Paired lungs comprise the respiratory system of a bird.

Hope this helps! Please mark brainliest!

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The single stream recycling program that they partner with makes it convenient to

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Answer:

Putting items in the recycling bin that can’t be recycled can contaminate the recycling stream. After these unrecyclable items arrive at recycling centers, they can cause costly damage to the equipment. Additionally, after arriving at recycling centers, they must be sorted out and then sent to landfills, which raises costs for the facility.

Explanation: d

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in a further experiment , the researchers add a compound to the cell growth medium that both binds and releases protons and also

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Explanation:

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Both somatic cells and germ cells are diploid, although only germ cells can undergo meiosis.

Brut [27]

True, because somatic cells cannot undergo meiosis, only germ cells can.

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3 years ago

Cats have a gene that codes for the color of their fur.

madam [21]

Punnet square
Let's call black 'B' and white 'b'
Being intermediate, gray cats will have the alleles 'Bb'
Being recessive, white cats will have the alleles 'bb'
 Gray 
| | B | b |
White |b| Bb | bb|
|b| Bb | bb|

^Apologies for the awful drawing XD

Bb = Gray
bb = White
So the cats can have gray or white fur (A)

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3 years ago

Please help!!!! very confused pt 2

Schach [20]

Answer:

If the genotype of the parents are Iᵃi and Iᵇi, then four type of offspring will be produced.The genotype of the offspring are, IᵃIᵇ, Iᵃi,Iᵇi, and ii.

Explanation:

IᵃIᵇ = As the alleles are co-dominant in nature, so both type of alleles are expressed. The blood group will be AB. So, both A and B type of antigen will be found in plasma membrane of RBC.

Iᵃi= In this type of genotype only A type of antigen will be expressed in the membrane of RBC. The blood group will be A type.

Iᵇi= In this type of genotype only B type of antigen will be expressed in the membrane of RBC. The blood group will be B type.

ii= This is a recessive type of genotype. So, no antigen will be found on the membrane of the RBC. And the blood group will be O type.

The offspring's ratio will be 1:1:1:1.

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3 years ago