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ANTONII [103]
2 years ago
5

why is the ventricle a stronger muscle than the atria? When blood leaves the ventricle and goes to the body, why isn't the blood

100% oxygenated (in a frog)?
Biology
1 answer:
Charra [1.4K]2 years ago
3 0
First answer is , as the work of ventricle is to push blood to he whole body , so it has to be strong or it can not pump blood to head to the toe !

as in frog (an amphibian ) it has only three chambers as two artia and one ventricle, so the oxygenated blood from left artia and deoxygenated blood from right , combines and thus partial oxygenated blood is circulated !
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Answer:

O With training, the puppies are likely to excel at agility competitions.

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This two options speaks the same thing and are the correct option.

The phenotype of an organism is a product of genotype and environment

P=G+E

The litters can inherit the trait of running, having a good vigour and ability to win agility competition but when the environment do not allow this trait to be expressed the trait can be masked i. e may not find expression.

The environment ensure that this litters are been taught the rudiment of agility competition to ensure they win if they are not been taught, they many not know they have the ability to win and will not be different from other dogs.

The training is what brings out the potential in them that can later be seen and expressed in the competition.

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Annswer:

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