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castortr0y [4]
3 years ago
8

_____ in Earth's _____ is the up and down movements of plastic-like material within that layer.

Biology
2 answers:
coldgirl [10]3 years ago
8 0
I think that the answer is a

PilotLPTM [1.2K]3 years ago
5 0
The answer is d convection currents happen inside the mantel and convection is the cool rocks sinking and hot rocks rising thus movement
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In 2003, the list of endangered species included 82 fish, 20 amphibians, 78 reptiles, 258 birds, and 316 mammals. About how many
lara [203]

Answer:

238

Explanation:

If you subtract 78 from 316 you get 238.

3 0
3 years ago
What three parts primarily make up connective tissue?
Paul [167]
Areolar<span> Connective Tissue</span>
Location: Around blood vessels, nerves, and organs.
Function: Provides strength, elasticity, support and immune system protection.
Adipose<span> Connective Tissue (Fat)</span>
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Location: Around organs, subcutaneous layer(between skin and muscle)
Reticular<span> Connective Tissue</span>
Location: Around organs such as the liver, kidney, spleen, and lymph organs.
<span>Function: To support and hold together organs and adipose tissue (fat).</span>
4 0
3 years ago
Simple animals are able to supply their cells with nutrients through diffusion and active transport across cell membranes becaus
goldfiish [28.3K]
This is because of B. Their cells are in direct contact with the environment.
6 0
2 years ago
Read 2 more answers
What is the best microscope to get a detailed view of the parts inside of a preserved plant cell?
Natalija [7]
A light microscope, I don't think it would be an electron microscope because we're talking about PRESERVED plant cells.
8 0
3 years ago
Read 2 more answers
Which of these statements about trophoblast is false?
lukranit [14]

Answer:

The statement C that says ''is derived from the inner cell mass'' is false.

Explanation:

The trophoblast is a structure composed of a set of cells (cytotrophoblast and syncytiotrophoblast), which are shaping the outer layer surrounding a blastocyst, during the earliest stages of embryonic development that mammals pass.

The trophoblast provides nutritive molecules to the developing embryo and facilitates its implantation to the uterine wall due to its ability to erode the tissues of the uterus, that is, it is responsible for making it possible for the embryo to be implanted in the uterine endometrium. Thus, the blast can join the cavity formed by the uterine wall, where it will absorb nutrients from the fluid from the mother.

During the third week, embryonic development includes the development of the trophoblast. At the beginning, the primary villi are formed by the internal cytotrophoblast which is surrounded by the outer layer of syncytiotrophoblast. Then, the cells found in the embryonic mesoderm are directed to the primary villous in the third week of gestation and when it ends, the mesodermal cells begin to be singled out to form blood vessel cells.

7 0
2 years ago
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