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-Dominant- [34]
3 years ago
8

How are models used

Biology
2 answers:
Tju [1.3M]3 years ago
8 0

Answer:

D

Explanation:

The purpose of models in ecotoxicology is the understanding, simulation and prediction of effects caused by toxicants in the environment. Most current models describe effects on one of many different levels of biological organization

iris [78.8K]3 years ago
5 0
D. all of these, models show multiple things.
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The % DV (percent Daily Value) is based on an average 2,000-calorie diet. One gram of carbohydrate provides 4 calories of energy
Olin [163]

Answer: 300 grams

If Anna’s doctor recommends getting 60% of her calories from carbohydrates, it means that (2000*.60) or 1200 calories should come from carbohydrates.

<span>If one gram of carbohydrate provides 4 calories of energy, then 1200 calories is equal to (1200/4) or 300 grams of carbohydrates Anna should consume each day.</span>

7 0
3 years ago
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What is the best long-term solution to help maintain polar bear populations?
Ainat [17]

Maintaining the genetic diversity is long term solution which help to maintain polar bear population.

Explanation:

Polar bear from Norwegian way bears are genetically unique. These bears are only who survive in the world. they have lack genetic diversity so it is possible to they stay healthy and somehow survive in worst condition.

The climate and condition of Norwegian is way better so it is necessary to relocate the other polar bear. The other important thing is to ensure about their food. Polar bear mainly eat seal but due to the melting of ice they are unable to get proper food.  

6 0
3 years ago
Which component of the blood is part of the body’s immune system?
crimeas [40]

<em><u>Answer: Plasma.</u></em>

<u><em /></u>

<em><u>Explanation: Plasma is the liquid component of blood, in which the red blood cells, white blood cells, and platelets are suspended. It constitutes more than half of the blood's volume and consists mostly of water that contains dissolved salts (electrolytes) and proteins. The major protein in plasma is albumin.</u></em>

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8 0
3 years ago
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Which situation would most likely result in evolution?
Alekssandra [29.7K]
The right choice for your question is A. A dog has three alleles for a certain fur color.
6 0
3 years ago
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The horseshoe crab breathes by means of its
DerKrebs [107]

Answer:

Book lungs

Explanation:

The horse shoe crab has a hard outer surface carapace which has the shape of a horse shoe.

It has book lungs which come in 5 sets. The lungs are usually found on the ventral side of the crab.

The book lungs acts as gills which is used in breathing when the horseshoe crab is in water . The book lungs also helps the crab to breathe on land for a certain period of time provided the lungs are moist.

3 0
3 years ago
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