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Liula [17]
2 years ago
11

Explain three ways that protists are different from plants, animals and fungi.

Biology
1 answer:
valentina_108 [34]2 years ago
8 0

Protists are eukaryotes, and most are single-celled. You can think about protists as all eukaryotic organisms that are neither animals, nor plants, nor fungi.

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Which statement is scientifically based
Dovator [93]

Answer:

Some mutations can be contagious, like infections

Explanation:

A mutation refers to a change in the DNA sequence. Mutations result from a number of causes. It is a permanent alteration in the structure of the DNA.

Not all mutations are harmful. It has been scientifically proven that some mutations make organisms more infectious.

For instance, the new mutant of Corona virus in UK is more infectious than the former strain.

7 0
2 years ago
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An individual sustains injuries to only the ascending tracts of the spinal cord. Will this person experience deficits in movemen
mario62 [17]

Both, if the spinal cord is injured then you can experience nerve damage in almost any part of your body. Or your whole body. Tingling in parts of your body might occur.

4 0
3 years ago
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In a population, surrounded with dark gray rocks, there lived 2 types of beetles, a gray beetle and a white beetle. In the start
Svetlanka [38]

Directional selection favors one of the extreme phenotypes over the other one. <u>Option C is correct</u>. Natural selection is the evolutive force, and 0.40, 0.40, and 0.20 are the new genotypic frequencies.

<h3>What is directional selection?</h3>

Directional selection is one type of natural selection. Let us remember that natural selection is an evolutive force.

Directional selection increases the proportion of individuals with an extreme phenotypic trait.

There must be a selective pressure or environmental pressure acting on populations to lead the species to increase the number of individuals expressing that extreme phenotype.

This selection presents more frequently in those cases in which interactions between living organisms and the environment modify in the same direction.

In the exposed example,

  • two original phenotypes ⇒ gray and white
  • substrate color ⇒  dark gray rocks
  • environmental pressure ⇒ birds preying on beetles

- Grey beetles managed to camouflage with rocks since their gray color was similar.

- White beetles were exposed on the dark gray rocks, so they were easily seen by birds.

- Predation by birds was an environmental pressure that had a stronger influence on the white phenotype.

Natural selection favored gray-colored beetles, who could survive and reproduce.

Assuming a diallelic gene expressing complete dominance codes for beetles color, we can suggest that the frequency of one of the homozygous genotypes increased, while the other decreased to near cero. Heterozygous individuals kept the allele coding for the white phenotype.

Among the options, <u>C is the correct one</u>. Natural selection is the evolutive force, and 0.40, 0.40, and 0.20 are the new genotypic frequencies.

You can learn more about natural selection and  directional selection at

brainly.com/question/9830102

brainly.com/question/12226774

#SPJ1

7 0
2 years ago
Which is the largest? 1. Cells 2. Grain of rice 3. Molecule. 4. DNA
ra1l [238]

Answer:

2. Grains of rice

Explanation:

Everything else is microscopic.

4 0
3 years ago
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Describe neutrons.<br> Location:<br> Charge:<br> Mass:
inn [45]

location: nucleus

charge: no charge (0)

mass: 1

5 0
3 years ago
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