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krek1111 [17]
3 years ago
5

Which substance provides humans with their main source of energy

Biology
2 answers:
AveGali [126]3 years ago
5 0

A substance that provides humans with their main source of energy would be; food.

Natalka [10]3 years ago
5 0
Food, would be the substance that gives people energy
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Consider the Color locus. At this locus there are two alleles - red and green. The red allele is dominant to the green allele. I
Anuta_ua [19.1K]

Answer:

0.7

Explanation:

Using Hardy-Weinberg equation of genetic variation being constant when disturbing factors such has mutation and others are removed.

p² + pq + q² = 1 and p + q = 1

where p² is the frequency of the homozygous dominant genotype (RR) and q² is the frequency of the homozygous recessive genotype (rr) and 2pq is the frequency of heterozygous genotype (Rr). p represent the frequency of "R" and q represent "g". since the coefficient against the green/green homozygote is 0.30 then

the fitness of the green/green homozygote = 1 - 0.3 = 0.7

7 0
3 years ago
When a sudden change in the environment, such as a flood or fire, reduces the size of a population, the survivors' collective ge
maksim [4K]

Answer: option A - bottleneck effect

Explanation:

Whenever sudden change caused by human or natural disasters occurs in the environment leading to the reduction of organisms or biodiversity present to a lower size, such condition is referred to as BOTTLENECK EFFECT.

3 0
3 years ago
When the chromosomes line up in mitosis this is known as which phase?
Vera_Pavlovna [14]

Answer:

metaphase

Explanation:

This is where chromosomes meet in the middle (meta-middle) and line up

7 0
3 years ago
Is 5 10 a good height for a 16 year old boy?
zubka84 [21]
5 feet 10 inches is an average height for a 16 year old boy. true
5 0
3 years ago
Light travels in a straight line until what happens?
ivolga24 [154]

Answer:

B - It hits an object

Explanation:

Once light has been produced, it will keep travelling in a straight line until it hits something else.

6 0
3 years ago
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