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exis [7]
3 years ago
8

The major source of sediments found on the deep ocean bottom is

Biology
1 answer:
Harman [31]3 years ago
4 0
There are two main sources of ocean sediment:

<span>1.External (terrigenous) formed from the deposit of insoluble materials, like <span>rock and soil particles. It is transported from land areas to the </span>ocean by wind, ice, and rivers. It also includes products of submarine volcanism.</span>
<span>
2. Internal (biogenic and authigenic) formed from the remains of marine organisms or their shells and from chemical precipitates from the seawater.</span>
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Bats share the same bones of the forelimb as humans, including a humerus, radius, ulna, wrist and hand bones, that they both inh
Sever21 [200]

Answer:

Homology is similarity due to shared ancestry between a pair of organisms in different taxa. Both bats and humans have a common mammalian ancestor.

They diverged and adapted their arms for different functions.

Explanation:

Homologous features are physical features shared due to evolutionary history (a common ancestor).

8 0
4 years ago
Mosses and ferns differ in their reproductive strategies from gymnosperms and angiosperms in which of the following ways?
In-s [12.5K]

Answer:

The correct answer will be option-A

Explanation:

The Mosses are the non-vascular plants that were developed from the aquatic plants and the ferns are the vascular plants which developed from the bryophytes.

Their life cycle shows alternation of generation and is largely dependent on the water for reproduction mainly fertilization or fusion of gametes.

The male gametes produced in these plant groups are haploid and are released in water which fuses in water with female gamete which is distinct from the higher plant groups gymnosperms and angiosperms where fertilization is mediated by mostly the wind or insects.

Thus, option-A is the correct answer.

7 0
4 years ago
Which of the following is not one of the four main tissue categories?
mel-nik [20]

Answer:

c Bone

Explanation: There are 4 basic types of tissue: connective tissue, epithelial tissue, muscle tissue, and nervous tissue.

3 0
3 years ago
Read 2 more answers
Which of the following is a reason why cells divide? A. to keep demands on their DNA low B. to mutate their DNA C. to increase t
Goryan [66]

Answer:

The answer is B.

Explanation:

When you skin your knee,  cells divide to replace old, dead, or damaged cells.

6 0
3 years ago
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Describe the fate of cells with or without cell walls in various "tonic" solutions (hypertonic, hypotonic, etc.).
hichkok12 [17]

Answer:

In hypertonic solutions, the cells will shrink and in hypotonic solutions the cells will fill up

Cells with cell walls will be able to control their tonicity better than cells without cell walls.

Explanation:

Cells with cell walls

  • In a hypertonic solution (high solute concentration), water will flow out of the cell into the solution until equilibrium is reached. If the solution has a high concentration of solute the cell may undergo<u> plasmolysis where the plasma membrane detaches from the cell wall.</u>
  • In a hypotonic solution: Water will flow into the cell because it has a higher solute concentration compared to the solution. This will continue until the cell is <u>turgid</u>. If more water continues to enter the cell, the cell is at risk of bursting, this takes a while because the cell wall will withstand the pressure.

Cells without cell walls

  • In a hypertonic solution: Water will diffuse out of the cell, however there is no cell wall so cell is in danger of shrinking and dying.
  • In hypotonic solution: Water will diffuse into cell,the cell will become turgid and if water keeps moving in the cell will burst because it has no cell wall to resist the pressure.
4 0
3 years ago
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