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iren [92.7K]
3 years ago
8

B) Why are index fossils helpful for performing relative dating? (3 points)

Biology
1 answer:
uysha [10]3 years ago
6 0

Answer:

4.) This means that height in a rat is controlled by many different genes.

Explanation:

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Which ingredient is a food acid used to activate baking
kolbaska11 [484]

Answer:

Honey

Explanation:

Technically it could be both, as they can both be acidic, but honey is lower on the pH scale, meaning it is more acidic and thus will have a larger chemical reaction with baking soda.

8 0
3 years ago
In this stage of shock, perfusion is reduced to essential tissues, such as the brain and heart. Widespread cellular hypoxia and
melisa1 [442]

Answer:

Irreversible.

Explanation:

Shock may be defined as the medical condition in which the there is deficiency in the blood flow to the oxygen and tissue of the body. The waste products start building in the organ.

Three main stages of the shock are initial, progressive and irreversible. The stage III or irreversible shock includes the anaerobic condition in the brain and the anaerobic metabolism starts in the body.

Thus, the correct answer is irreversible.

3 0
3 years ago
Apicomplexans evolved from a photosynthetic ancestor and have the remnant of a chloroplast. This organelle no longer acts in pho
atroni [7]

Answer:

Apicomplexans can be described as parasites which can cause diseases such as malaria inside the host cell. These organisms are known to evolve from the green algae. The remnant chloroplast present in them is used for various drug therapy studies. Their chloroplast can be used to test for various antibiotics and herbicides. This is because their chloroplast has evolutionary similarities with chloroplasts present in other organisms such as the cyanobacteria.

4 0
4 years ago
Describe how a plant meets the basic challenges of life
iris [78.8K]
They eat food, they drink water, they need vitamins either from the sun or soil to nourish themselves, they grow overtime, lastly but most importantly, they are affected by weather.
6 0
3 years ago
Read 2 more answers
Is Female A, Homozygous or Heterozygous... also how do I find it out. Ty :3
Tomtit [17]
First we have to figure out whether the allele controlling for that trait is dominant or recessive. From female A, the pedigree indicates that she shows the trait, but neither of her parents shows the phenotype of the trait. Female A is only possible to have the trait showed if both of her parents carry an allele of the trait. So, that allele for controlling the trait should be recessive and their parents are heterozygous as neither of the parents shows it in their phenotype.

After we figured out the allele is recessive, we can easily determine the genotype of female A. Traits that are controlled by recessive alleles can only be shown in phenotypes if theres no dominant allele existing. Therefore, the genotype of female A must be both recessive, and that means she's homozygous (recessive).
4 0
3 years ago
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