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Anna35 [415]
2 years ago
7

A group of students used classroom materials to build a model of cellular structures which statement

Biology
1 answer:
galben [10]2 years ago
7 0
Answer: B - A battery with wires

Explanation: The mitochondria is the cells source of energy
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The drastic reduction in genetic variation that results when a new, isolated population is established by a very small number of
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In drastic reduction, what is being described above is the process called the founder effect. The founder effect is also the other term called in which it applies the definition above. This is made when a population has been created with the means of having small numbers and not too many individuals.
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What do polysaccharides, such as cellulose; nucleic acids, such as DNA; and proteins, such as keratin, have in common
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They are all built of chemically linked monomers.

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What characteristics are associated with each layer of the mantle?
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I WILL GIVE BRAINLIEST! This is for 9th Grade Honors Biology... You need to place the words from the word bank in the correct or
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Traits included physical features such as flower color. Today, these factors are called <u>alleles</u>.  Mendel developed the hypothesis that some factors could be dominant, while others were <u>recessive</u>. According to his theory, a dominant factor is expressed when <u>only one factor is presen</u>t in the offspring. On the other hand, a <u>recessive</u> factor expresses its <u>phenotype</u> when <u>both factors are present</u> in the offspring. Today, the term<u> genotype </u>refers to the combination of factors possessed by an organism.

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7 0
3 years ago
Elias conducted an experiment about the effects of exercise on the heart rate of teenagers. Before morning basketball practice,
padilas [110]

The <u><em>correct answer</em></u> is:

He needs to select a more representative sample.

Explanation:

Choosing students from the basketball team for the sample he uses on a study of heart rates and exercise will be a biased sample.  This is because students on the basketball team are potentially healthier than other students, which means that exercise will not have a large an effect on their heart rate as it would if they were not as healthy and not as physically fit.

In order to reduce the amount of bias, he should choose students from different groups throughout the school.

8 0
3 years ago
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