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vovangra [49]
4 years ago
10

Red algae are thought to have originated by endosymbiosis of cynaobacteria T or F?

Biology
1 answer:
lora16 [44]4 years ago
3 0
Trueeeeeeeeeeeeeeeeeeeeeeeeeeeeeee


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Do tonicity and osmolarity mean the same thing, explain?
pychu [463]

Answer:

no

Explanation:

tonicity is muscle tone and osmolarity is the concentration of a solution expressed as the total number of solute particles per liter.

4 0
3 years ago
three sentences about the role termites play in modifying the natural proses of water carbon or nitrogen cycle
amm1812

Answer:  

-help to store water in the soil (by increasing infiltration) rather than evaporating (enabling the plants survive long periods of drought)

-mix inorganic and organic compounds in the soil (and thus it can better resist the process of erosion)

-termite’s feces help to prevent erosion  

Explanation:

Decomposers break down complex organic matter into basic compounds containing nitrogen, phosphorus, and calcium, generating water (H2O) and carbon dioxide (CO2) during this process. Termites are critical in an ecosystem because they are decomposers, i.e., they are recyclers that break down organic material into nutrient-rich soil. For example, termites digest the cellulose from dead plants (due to the presence of specific bacteria in their digestive tract), thus allowing the carbon cycle.

7 0
4 years ago
What is the difference between plucking and abrasion
lutik1710 [3]
Abrasion takes place when stones become embedded in the glacier, as the glacier moves these stones slowly scratch along the surface of the ground below. Abrasian acts similarly to sandpaper, leaving a fairly smooth surface to the rock it has worn down.
Plucking takes place when the glacier has been fairly stationary for a while, so patches of rock from the ground below have become frozen to the glacier. When the glacier then moves, this patch of ground is forced out of the ground as it is attached to the glacier itself. As you can probably imagine, this leaves behind a much more jagged, uneven surface.
4 0
3 years ago
Based on the discovery of Ötzi the Iceman in 1991, which statement about the nature of scientific knowledge is true?
forsale [732]
The correct answer is D
3 0
3 years ago
Why are the dietary fiber intakes of many north americans far below the recommended level?
prisoha [69]
Because so much of the food now a days is very unhealthy and lacks the fiber it should contain.<span />
3 0
4 years ago
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