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victus00 [196]
3 years ago
14

Which of the following defines the Permian-Triassic? a The mass extinction that could occur if an asteroid were to hit the Earth

. b A catastrophic event where 90 percent of the ocean's species were lost and 70 percent of the land life was thought to go extinct. c The effects of repeated NEOs entering our Solar System d The Great Dying that is said to have completely destroyed all life, making it a mass extinction
Biology
2 answers:
Elena-2011 [213]3 years ago
4 0
It's (B) A catastrophic event where 90 percent of the ocean's species were lost and 70 percent of the land life was thought to go extinct.
Nataly_w [17]3 years ago
4 0

Answer:

Option b, A catastrophic event where 90 percent of the ocean's species were lost and 70 percent of the land life was thought to go extinct.

Explanation:

In the Permian period large mass extinction of the Earth took place. This incident took place some 299 years ago.

The super continent Pangaea was emerging during the Permian period which caused severe extremes of climate and environment as it was extremely large in size. Much of the region was under ice caps and was frozen.

Nearly 90 percent of all marine species and 70 percent of all land animals became extinct.

Hence , option A is correct

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Answer:

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8 0
3 years ago
The type of epithelial tissue that forms a single layer of flattened cells is
gladu [14]

Answer:

The correct answer is: simple squamous epithelium.

Explanation:

The epithelium is one of the four basic tissues found in the body, along with the connective tissue, the muscle tissue, and the nervous tissue.

Epithelial tissue is commonly found surrounding surfaces such as the skin, and also making up the inner lining of hollow organs such as the ones that form the gastrointestinal tract.

<u>The number of layers and the shape of the cells in the epithelium have a direct correlation in the function of the tissue.</u> Functions can vary a lot from organ to organ, from absorption to protection and everything in between.

<u>A</u><u> simple squamous epithelium</u><u> is composed of a single layer of flat cells, which makes it permeable to liquids and small molecules, an important feature in organs where filtration or diffusion is needed; for example: capillaries and alveoli</u>.

6 0
3 years ago
Name the structures and functions of the integumentary system
il63 [147K]
The answer is:

Glands,Skin,Nails,Nerves and Hair.

I hope this helps :D 
3 0
3 years ago
A mixture of gasses including oxygen nitrogen water and others that surrounds the earth is called the?
Soloha48 [4]

Answer:

The Atmosphere.

Explanation:

The atmosphere that surrounds Earth is made up of gases like nitrogen, carbon, oxygen, and water vapors.

3 0
3 years ago
1. Which of these describes the role of DNA in a cell? *
kondaur [170]

Answer:

c. DNA provides the information to make proteins for the cell.

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