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MariettaO [177]
3 years ago
14

Xylem and _______________ are the two types of tissue that comprise a plant's vascular tissue.

Biology
1 answer:
mr_godi [17]3 years ago
5 0
The answer is b but I’m not really sure tho
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In a scientific experiment the ____ Group is The data that comes from the norm or situation. it is the information the other gro
Katen [24]
It’s the control group.

The reason why is because the experimental group is the group in which they are experimenting with while the control group isn’t receiving any experimentation
8 0
3 years ago
Acidity in human sweat is an example of _____. Acidity in human sweat is an example of _____. acquired immunity adaptive immunit
Tpy6a [65]

Acidity in human sweat is an example of<u> </u><u>innate immunity</u>

Explanation:

Sweat arising from human skin is acidic in nature with a pH ranging between 4.5 to 7.

As part of innate immunity, the skin acts both as a physical barrier and chemical shield.

As part of chemical shield, the skin’s sebaceous glands present on the skin produces an oily substance called sebum which contains free fatty acids. Further, hair follicles on skin releases lactic acid which bind with the amino acids of the proteins present on the keratinized layers of skin. The acidity of the sweat is due to the combined action of free fatty acids, lactic acid and the amino acids present on the skin.

This natural acidic nature of skin creates a hostile acidic environment to pathogens which prevents their entry into the body.

8 0
3 years ago
How does gel electrophoresis help determine relatedness in a species?
Jlenok [28]
Gel electrophoresis is used in a device that compares the DNA of organisms to each other.

When gel electrophoresis is used, bands of DNA are pulled to polar ends, creating a line of bands of DNA varying in thickness. Some bands may attract more than others which then makes this line of DNA bands. This occurs with several samples of DNA used in a device with gel electrophoresis. The lines of bands that are the most similar are the ones that are the most related to each other. If the line of bands is identical to another line of bands, it is the same organism. 

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E :)
8 0
3 years ago
Oxpeckers are a type of small bird that land on zebras. they eat ticks and parasites that live on the zebra' skin. the oxpeckers
Naya [18.7K]

The right option is b. mutualism

Mutualism is a relationship between two organisms of different species in which both organisms benefit from the relationship. From the question given above, both the oxpeckers and the zebras benefits from the relationship. This type of relationship describes mutualism.






8 0
3 years ago
An abnormal enlargement of the spleen that can develop from infections is called ____.
Tcecarenko [31]

An abnormal enlargement of the spleen that can develop from infections is called <u>splenomegaly</u>.

Infections, such as mononucleosis, are among the most common causes of splenomegaly. Liver problems such as cirrhosis and cystic fibrosis, can also cause an enlarged spleen.

Another possible cause of splenomegaly is juvenile rheumatoid arthritis. This condition can cause inflammation of the lymph system.

An enlarged spleen causes serious complications or the cause can't be identified or treated, surgery to remove your spleen (splenectomy) might be an option. In chronic or critical cases, surgery might offer the best hope for recovery. Elective spleen removal requires careful consideration.

To know more about splenomegaly, here

brainly.com/question/18629312

#SPJ4

3 0
2 years ago
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