Gene: A piece of heredity which is transferred from a parent to offspring.
Chromosome: A structure found in the nucleus of most living things that carries out information in the form of genes.
DNA: DNA is a molecule composed of two chains that coil around each other carrying the genetic instructions used in the growth, development, functioning, and reproduction of all known organisms.
Answer:
D
Explanation:
All 4 bases are found in each DNA, even if genetic-wise organisms are different.
Groundwater contamination occurs when man-made products such as gasoline, oil, road salts and chemicals get into the groundwater and cause it to become unsafe and unfit for human use. Materials from the land's surface can move through the soil and end up in the groundwater. That is why pollution can contaminate an aquifer.
hope this helps:)
Answer:
<em>The sample size is too small.</em>
Explanation:
<u>The process of elimination helped me find this answer. </u>
It is possible to keep the conditions the same.
there are only 2 plants and one control, that's obviously not a lot.
and controls can be used on more than studying animals.
<u>When using the scientific method you can use as many test subjects as you can so it can help you confirm. two plants are not a lot. </u>
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<em>I've also had a teacher confirm that this is the correct answer. </em>
<u>edge 2020</u>
Shrubs is the best answer ;)