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lorasvet [3.4K]
2 years ago
7

Give reasons why the energy level decrease as you move down a food chain..

Biology
1 answer:
avanturin [10]2 years ago
6 0

Answer: Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level. Trophic level transfer efficiency (TLTE) measures the amount of energy that is transferred between trophic levels. or in materials that the consumer does not digest, or  through movement

Hope it helps! ^w^

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Fat is the most efficient molecule for long-term energy storage, even compared to carbohydrates, because __________.
saveliy_v [14]

Answer:

d.

Explanation:

Your body uses two types of molecules for storing energy, the carbohydrates are the main type and its used for short term storage, and for immediate use by the body. And the lipids or fats, are used for long term storage in the body, because they can store more energy in the same volume than a carbohydrate.

3 0
2 years ago
What is a gene?
Vlad [161]

Answer:

A. A segment of DNA molecule

Explanation:

(a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual. A gene is the basic unit of heredity in a living organism.

3 0
3 years ago
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Explanation:

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3 years ago
Why is it when your nose i plugged you cant taste things?
sashaice [31]

Answer and explanation:

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5 0
3 years ago
Please help. The two questions shown
maw [93]

Answer:

The smallest number of copies of the dominant allele for polydactyly that could be found in a body cell of a person is one, since polydactyly is caused by an autosomal dominant  allele.

Two copies of the recessive cystic fibrosis (CF) allele are there in a body cell of a person suffering from CF, as it is inherited in an autosomal recessive manner.

Explanation:

Polydactyly is a condition in which the individual has extra fingers or toes. It is an autosomal dominant condition caused by a dominant allele of the faulty gene. So to inherit the polydactyl condition, the offspring need to carry just one dominant allele from their parents.

If the dominant allele can be shown as P and the recessive allele can be shown as p ,then the offspring who is homozygous (PP) or heterozygous (Pp) for the dominant allele will develop Polydactyly.

Cystic fibrosis is a genetic disease inherited in an autosomal recessive manner, which is caused by a faulty recessive allele on chromosome 7. This disorder is characterized by the buildup of thick, sticky mucus in the cell membranes of the body's organs and cause progressive damage, mainly to the respiratory system and digestive system. To inherit cystic fibrosis, the offspring has to carry two copies of the faulty gene, one from each of the parents.

If the recessive allele can be shown as 'f 'and the dominant allele can be shown as 'F ', then only the person who is homozygous 'ff' with the recessive allele will develop cystic fibrosis. The person who is homozygous with the dominant allele 'FF' will not develop cystic fibrosis (need two faulty alleles (ff) for the condition) and the person who is heterozygous 'Ff' will be a carrier of the disease, but will not develop cystic fibrosis and have no symptoms.

8 0
3 years ago
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