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Brrunno [24]
3 years ago
6

How can organisms become endangered or extinct due to human activities?

Biology
1 answer:
Anni [7]3 years ago
6 0

Answer:

they shoot and kill and also we use hurtful acid and are killing them

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The epithelial tissues are so important they have the ability to ______________________ _____________________ to initiate ______
STatiana [176]

Answer:

• covers the body and  makes up inner lining

• protects against  damage, dust, bacteria  

Explanation:

8 0
3 years ago
Vitamin water contains about as many calories as a soft drink. <br> a. True <br> b. False
lana66690 [7]
The answer is True

The calorie that you get from drinking vitamin water mostly comes from sugar/carbohydrate. The sugar content of vitamin water is high enough to become close with a soft drink. The calorie content would be around 6 calories per ounce.
3 0
3 years ago
Compare the structures and functional groups of arachidonic acid and prostaglandin pge1.
Tatiana [17]

Arachadonic acid is a carboxylic acid with a 20 carbon chain and four cis-double bonds. They do not have any functional groups. It is a polyunsaturated fatty acid present in the phospholipids of the membranes in the cells of the body, brain, muscle and liver. Prostaglandins are the active lipids compounds abundant in human tissue. They are a 20 carbon chain saturated fatty acids with a 5 carbon ring forming a cyclopentane. It has one trans-double bond, two hydroxyl functional groups and a ketone functional group.


6 0
3 years ago
Which are characteristics of epithelial cells? Select two options.( Answer Needed ASAP)​
Umnica [9.8K]

Answer:

found lining many areas that contact the external environment

plays a role in protection

Explanation:

Explanation: Epithelial tissue is composed of cells laid together in sheets with the cells tightly connected to one another. Epithelial layers are avascular, but innervated. Epithelial cells have two surfaces that differ in both structure and function.

5 0
3 years ago
What are cork tissues? how are they formed?
VikaD [51]

Answer:

Cork is a protective tissue that separates the living cells of the plant from the outside environment. The formation of cork in the periderm is the result of the activity of a secondary meristem, the cork cambium, or phellogen.

Explanation:

7 0
3 years ago
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