What is the evolutionary importance of plants. Not a specific plant, just plants in general.

1 answer:

6 0

The evolution of plants has resulted in widely varying levels of complexity, from the earliest .... Land plants evolved from a group of green algae, perhaps as early as 510 million years ago; some molecular estimates place their origin even earlier .

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What is the role of DNA in determining an organisms traits?

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Everything. DNA contains genes In which in a person determines proteins how much protein is formed is based on how strong the trait is. DNA also determines every genetic trait an organism has.DNA's main role is to store information.

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When the body becomes dehydrated, a chemical signal is sent that causes nephrons in the kidneys to absorb more water and excrete

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Feedback loop. Hope this helps! :)

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When there is too much carbon in the atmosphere, the hydrosphere, mainly oceans, absorb most of it to balance it out

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If you are asking for true or false, true

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A person who has type AB blood and is heterozygous for Rh factor has children with a person who is heterozygous for type A blood

MatroZZZ [7]

Blood type is determined by the alleles coding for the antigen present on cell membranes.

The person with type AB blood has a heterozygous Rh factor.

Half the gametes have Rh factor (+) and the other half are negative for Rh factor (-)
Half the gametes have IA and the other half have IB
The possible gamete combinations are IA+, IA-, IB+, IB-

The person with heterozygous type A blood is negative for Rh factor

All gametes are negative for Rh factor (-)
Half the gametes have IA and the other half have IO
The possible gametes are IA-, IO-

The genotype ratio is 1:1:1:1:1:1:1:1

The phenotype ratio is 2: 2:1:1:1:1.

Learn more about blood types here:

brainly.com/question/21209477

#SP10

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