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storchak [24]
3 years ago
5

Scientists have documented that spring seasons starting earlier due to climate change have resulted in some caterpillar species

beginning their maturation stage earlier than normal. There are bird species that need the caterpillars to feed their chicks. However, since the caterpillars are maturing before the chicks hatch (and therefore cannot be used for chick food), the birds are experiencing a drop in their lifetime reproductive success. Interestingly, scientists have also documented that the individual birds that are successful in altering their egg-laying patterns to align with earlier spring seasons have the greatest lifetime reproductive success. These phenomena are examples of ________.
Biology
1 answer:
andriy [413]3 years ago
8 0

Answer:

phenotypic adaptive landscape

Explanation:

Global climate change will not only affect migration patterns, biotic interactions, and local population dynamics, but also the selective pressures experienced by populations. Coupled ecological and evolutionary changes are therefore expected under climate change.

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mosquitoes

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Why should deepwater shrimp on different sides of the isthmus have diverged from each other earlier than shallow-water shrimp?
Nataly_w [17]

Answer:

Reproductive isolation occurs faster in deep-water shrimp than shallow-water shrimp.

Explanation:

Though in the same territory, the blockage caused by the isthmus would quickly and permanently isolate shrimps living in the deeper parts of the water, thus making them unable to breed. This situation would then caused lack of gene flow within the deep-water shrimps , and the emergence of new species that are genetically different (diverge) from one another

The shallow-water shrimp, on the other hand, experience minimal isolation due to the shallowness of water, and could still breed with one another. Thus, they experience a relatively lower reproductive isolation

6 0
3 years ago
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If a person has a diet high in saturated fats, _________ molecules can carry cholesterol from the liver to cells and to the arte
leonid [27]

Answer:

If a person has a diet high in saturated fats, LDL cholesterol molecules can carry cholesterol from the liver to cells and to the arterial walls whereas HDL cholesterol transports cholesterol from the cells to the liver where it is converted to bile salts which can modulate cardiovascular function.

Explanation:

Cholesterol is a lipid generated in the liver that is used to make hormones and vitamin D, but can also be ingested when eating fats.

Cholesterol can be divided into two types: LDL (low-density lipoprotein) and HDL (high-density lipoprotein).

LDL is commonly known as the "bad cholesterol" and is responsible for the deposit of cholesterol in the walls of arteries, which generates atherosclerosis and can potentially lead to strokes or heart attacks because it occludes the vessels and makes it impossible for the blood to advance.

HDL is also called "good cholesterol" because it takes the cholesterol from the cells to the liver where it'll serve a good cause, instead of blocking the arteries.

To reduce the amount of LDL, it's best to limit the consumption of fatty meats, dairy products and other saturated fats. Foods with a good amount of HDL are those with unsaturated fats, like fish, nuts and seeds.

4 0
3 years ago
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Pavlova-9 [17]

Answer:

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Biosynthesis is the process in your body that turns simple structures into more complex structures. It can happen within a single cell (or within a single organelle within a cell), or across multiple cells. In this case, multiple, since it is referring to humans.

Either this option or A.

6 0
2 years ago
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