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lara [203]
3 years ago
15

Why are 40% of c elegans on only when needed?

Biology
2 answers:
zimovet [89]3 years ago
5 0

C would be the correct answer

MakcuM [25]3 years ago
3 0
The answer would be letter C.
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Explain how the processes of sea-floor spreading and magnetic reversal produce bands of oceanic crust that have different magnet
WARRIOR [948]

Explanation:

As the two plates move away from each other in a divergent boundary, the magma from the mantle beneath rises to replace the void created. The magma then cools into a new crust. Before the magma cools, the iron minerals align themselves with the magnetic fields of the earth due to their ferromagnetic properties. These cause the rocks after they are cooled to seem to have bands.

Due to magnetic reversals of the earth's magnetic fields (i.e change in magnetic north and south poles) over several hundred thousand years, these bands will orient differently depending on the then earth magnetic polarity when the magma was cooling.

Learn More:

For more on seafloor spreading check out;

brainly.com/question/3616698

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4 0
3 years ago
Desert and desert-scrub biomes are characterized by specific types of plant and animal life. Creosote bushes are found throughou
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It would be C. Shrub

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3 years ago
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What process is depicted in the basal layer of the glandular epithelium shown in b?
Snowcat [4.5K]

Answer;

-Cell division

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-Glandular epithelium forms the covering of all major glands. It is also present in the intestinal lining.

-Cells are regenerated by division in the basal layer and migrate toward the apical surface to replace cells lost by fragmentation. Cell division is indicated by the mitotic phase cells located in the deepest (basal) layer of the glandular epithelium.

5 0
3 years ago
List two organelles present in a plant cells put absent in an animal cell​
omeli [17]

Answer:

cell wall, chloroplasts and other specialized plastids, and a large central vacuole

Explanation:

8 0
2 years ago
Describe the importance of biomes such as forests, freshwater, and marine biomes? How have human actions affected these biomes?
Allisa [31]

Forest biome:  It gives us medicinal plants, woods for commercial purpose. Forests provides us rubber and fibers that is very important for the industries for making various products. They also contribute to perform ecological  functions such as carbon storage, nutrient cycling, water and air purification. It also provides habitat to the wildlife.

Freshwater biome:  We use fresh water for drinking water, irrigation, sanitation systems, and in industrial factories. Water used from groundwater, rivers and lakes is regained by rain and snowfall.

Marine biome:  It serves huge amount of oxygen into the environment and absorbs the atmospheric carbon dioxide.

As a result of the activity of human there is a significant decrease in the number of trees. The products now used are synthetically made which were made up of natural fibers previously. The water source such as rivers, lakes, and ponds are polluted due to which many water borne diseases are increasing day by day. The accumulation of waste which are found in marine biome are reducing the number of flora present inside marine ecosystem.

3 0
3 years ago
Read 2 more answers
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