Which of the following would be a cost of drilling for oil in Antarctica?

2 answers:

7 0

Which of the following would be a cost of drilling for oil in Antarctica?
D an oil spill could harm food sources for polar bears

Alex777 [14]3 years ago

5 0

D) an oil spill could harm food sources for polar bears.

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Why is water split during the light reactions?

Svetlanka [38]

During Light reactions of Photosynthesis, the chlorophyll will be activated by light. This light activated chlorophyll will split the water molecule. This is called Photolysis. Water molecule is split to release H+ ions and also oxygen.

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3 years ago

In plants, meristematic cells are most similar to which type of cells in animal tissues?

aliya0001 [1]

Answer:

B. Stem Cells

Explanation:

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2 years ago

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Matings between individuals from the two populations of Rhagoletis produce hybrid flies that appear to be healthy and have norma

Mama L [17]

<h2>The correct answer is : C.</h2>

Explanation:

According to the question, mating between two populations of Rhagoletis produce hybrid flies.
This means that the two population is present in the same habitat or locality, hence they are capable of coming in contact with each other and mate. Hence, the answer cannot be Habitat Isolation.
Mating produces hybrid flies. This is possible when the gametes (egg and sperm) of the two different populations are capable of capable of coming close to each other and undergoing fusion (fertilization). Hence, there is no Mechanical Isolation.
The zygote formed by the above fertilization is capable of developing into healthy hybrid flies with normal life span. Hence, Pre-zygotic Isolation is absent.
But the hybrid flies formed are sterile and not fertile, that is, they are incapable of producing viable gametes which can undergo fertilization and produce a new offspring.Therefore, the eggs laid by the hybrid flies hatch less often. Hence, there is existence of Reduced hybrid fertility.

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3 years ago

If a nutrient were in short supply in an ecosystem, how might it affect an organism

DedPeter [7]

The organism wil probably die

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3 years ago

What caused some family lines of Siamese cats to change their appearance from the classic to the modern shape?

AlexFokin [52]

Answer:

A. an increase in genetic diversity

Explanation:

Genetic diversity is the degree of gene variety within a single species (animal or plant). It corresponds to the total number of genetic characteristics in the genetic composition of species or subspecies. Genetic diversity is one of the main aspects of our planet's biodiversity, such as populations and ecosystems.

In the case of Siamese cats, genetic diversity has caused some lineages to change their appearance from classic to modern. This occurred by crossing Siamese cats with cats of other breeds, creating a wide genetic variety that resulted in the change in appearance of these cats.

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3 years ago

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