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Lesechka [4]
3 years ago
7

Use the words era, period, and epoch in the same sentence.

Biology
2 answers:
Nuetrik [128]3 years ago
8 0
<span>era, period, and epoch are time periods of the past</span>
beks73 [17]3 years ago
6 0
<span>Era, epoch, and period are periods of time that happen in the past. </span>
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Dr. Nachman and his colleagues collected rock pocket mice across 35 kilometers of the Arizona Sonoran Desert, which included bot
vlada-n [284]

Answer:

1)

  • frequencies of light-colored mice  ≅ 0.74
  • frequencies of dark-colored mice ≅ 0.26

2)

  • frequencies of light-colored mice ≅ 0.13
  • frequencies of dark-colored mice ≅ 0.87

3)

  • q² = 0.74
  • p² = 0.02
  • 2pq = 0.24      

4)

  • q² = 0.13
  • p² = 0.4
  • 2pq = 0.46

5)

The dark-colored fur seems to have the greatest overall selective advantage

6)

Dark lava, that changed the color of the substrate, from light to dark.

7)

Because to produce dark color, animals from the different regions suffered different mutations that drove them to have almost the same dark fur color. All of the animals are inhabiting dark substrate, which means that this environmental condition is favoring the same phenotype.

8)

To see if the mice population is evolving, you need to take a sample of animals per year, through many years, and analyze if it is changing or not. If the population is evolving, you will notice a change in the allelic and genotypic frequencies over the years, favoring one genotype or the other. If the population is not evolving, the frequencies will keep equal through the years, it will not change.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

Download pdf
8 0
3 years ago
Why did the five-kingdom system of classification fall out of favor?
LenKa [72]

Answer:

Answer is B. It did not reflect the actual evolutionary relationships among organisms very well.

Explanation:

The five-kingdom system of classification was initiated or formed by Robert H. Whittaker in 1969. And it involved the Kingdoms monera, fungi, protista, animalia and plantae.

This classification system was regarded as not so good because of placement of some certain organisms. For example, in the classification system, unicellular algae were put under the kingdom protista, when other multicellular organisms like algae were being classified under the kingdom Plantae.

3 0
3 years ago
Why don't hybrids reproduce
nordsb [41]
An animal category is a gathering of creatures that can breed together that can deliver fruitful prosperity. 

Ligers, Mules, They aren't species, they are a mix of 2 animal groups subsequently the name is half and half, they can't recreate in light of the fact that, the two distinct species have two unique quantities of chromosomes. Species can duplicate inside of their own species, since every person inside of the species has the same number of chromosomes.

The crossover's can't imitate in light of the fact that sex cells would never be prepared as their chromosomes would not be right. The half breeds would never  happen in nature, they were made by man, I don't know how they fulfilled this, yet, at any rate, thats why the mixtures can't replicate. 
8 0
3 years ago
the fertilized egg cell begins to divide, and the dna of each new cell is an exact copy of the original cell. based on this info
choli [55]

Answer:

mitosis

Explanation:

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3 years ago
When a trait is polygenic, but distinguished from continuous and meristic traits by having a small number of discrete classes, i
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It is a threshold trait
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