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inn [45]
4 years ago
14

With the aid of the geological time chart, write comparatively on chordate evolution through time​

Biology
1 answer:
snow_lady [41]4 years ago
6 0

Answer: <em>Punctuated equilibrium is the hypothesis that evolution occurs at an irregular rate through geologic time.  </em>

<em>Hope this helps. </em>

Hope this helps

<em>much love !!</em>

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Adhesins are usually located on __________ of the pathogen and are composed mainly of __________ and __________.
zlopas [31]

Answer:

The correct answer is - surface, proteins, and sugars.

Explanation:

Adhesins are the appendages present on the surface of the pathogen that help these pathogens to attach to the host cell and surface of the host. Adhesins are the components that are virulence factor these are present in both viruses and bacteria.

The adhesin component is generally made up of mainly of the proteins and sugars which help them to adhere to the cell of the host.  

Thus, the correct answer is - surface, proteins, and sugars.

5 0
4 years ago
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scoray [572]

The hydrophilic molecules are those molecules, which tend to get mixed in water, they are water loving. These molecules are generally polar.  

The water molecules are polar and tend to dissolve the polar solutes in it. When a polar molecule gets in contact with the water, it is attracted and gets mixed into it. Non polar molecules are hydrophobic and do not get mixed into water.  

So, the correct answer is mixed.


7 0
3 years ago
What does mutation mean?
Alecsey [184]
A mutation is a genetic error in the creation of DNA. My science teacher compared it to a copier that made a mistake; the DNA is copied from others, but the "copier" messed up, making part of a helix different. Mutations can be genotypes or phenotypes.
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4 years ago
What type of fertilization occurs when the female releases eggs into the water or attaches them to a plant or rock and the male
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Describe how a food chain differs from a food web.
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