Can u help me please

Biology

1 answer:

Reptile [31]3 years ago

5 0

Answer:

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While preparing a cell culture aside colony of bacteria into distilled water and stir that up this mixture of water and living c

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D is your answer hope this helps

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A population of squirrels lived together in a forest. An event occurred that caused the population to diverge into two different

sveticcg [70]

<span>There are no choices given, but the event was most likely a physical one that would have barred the squirrels from seeing each other. Squirrels are a social creature, and the event that would have separated the populace could have been anything from a large fire to an earthquake that separated the squirrels from each other.</span>

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3 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

A large hurricane destroys a coastal habitat. what type of disruptive event does this describe?

Angelina_Jolie [31]

Answer:

periodic

Explanation:

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What does the small intestine do in the digestive system?

Montano1993 [528]

<span>is absorption of nutrients and minerals from food.</span>

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2 years ago

Can u help me please​

Can u help me please