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Phoenix [80]
3 years ago
8

Why is the mass of herbivores smaller than the mass of plants?

Biology
1 answer:
expeople1 [14]3 years ago
5 0

Answer: The total mass of plants combined is way more then the mass of animals. Animals cannot make their own food so they must eat plants and/or other animals.

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What is special about nitrogen, and what is its main function in the atmosphere
inna [77]
Nitrogen is the most abundant of the gases present in the atmosphere. 78 percent of the atmospheric air comprises of nitrogen, oxygen makes up for 21 percent and all other gases make up for the remaining one percent. Oxygen is a highly flammable gas and in the absence of nitrogen it would not have been possible to utilize this atmospheric oxygen, hence the presence of nitrogen reduces its flammability and also neutralizes the toxicity of other gases. Another way to explain this question is - The vital thing about Nitrogen is that it gives air to people to take in, 78% of the air we take in is Nitrogen and just 21% is oxygen, 1% is different gasses. On the off chance that the air was unadulterated oxygen then everything would be to a great degree flamable, and it would likewise be hurtful to people. Nitrogen assumes a vital part in our lives. Oxygen can be poisonious on the off chance that it was the main gas noticeable all around... Nitrogen is too much critical, else we would all die.... Also, I seek oxygen stays 21% after it can be hazardous. Definitely, you ought to realize that Nitrogen can likewise be risky in A few ways, you can look that up and take in more about it, however at this moment we're looking at something else and I would prefer not to be insignificant by any stretch of the imagination, so I'll simply adhere to the Inquiry on the point as apose to the Entire whole theme. I know I have addressed your inquiry, and I believe this was useful.

Hope this helps
8 0
3 years ago
Which two structures would provide a positive identification of a plant cell under a microscope?
Sonbull [250]
There are some organelles which are found in plant cells but which are not found in the animal cells, these structures will provide a positive identification of a plant cell under a microscope.
The structures which would provide a positive identification of a plant cell under a microscope are CENTRAL VACUOLE, CHLOROPLAST [PLASTIDS] AND CELL WALL. These structures are only present in plant cells.
5 0
3 years ago
Read 2 more answers
15. Which of the following sources of pollution is currently considered the dominant source of carbon dioxide? (a) Cellular resp
drek231 [11]

Answer:

c) Combustion of fossil fuels

Explanation:

Burning of fossil fuels is the main cause of increasing carbondioxide concentration in the environment which results in air pollution. This increase in carbondioxide concentration absorbed more heat energy from reflected solar radiation which increases the temperature of earth surface causes global warming. Due to this global warming, snow melting occurs on the poles of the earth which increases sea level.

4 0
3 years ago
When cells communicate by the signaling process, one cell produces a _________________BLANK that must be received by the _______
velikii [3]

Answer:

1. Signaling molecule

2. Signaling receptors

Explanation:

Hormones, growth factors, neurotransmitters, etc. serve the function of signaling molecules for cells. These molecules are released by one cell and bind to the receptors present on/in the target cells to elicit the desired response. Thereby, the signaling molecules serve in cell-cell communication.

For example, insulin hormone synthesized and released from beta cells of pancreas binds to its cell surface receptors present on the surfaces of liver cells and muscle cells to stimulate the uptake of the glucose from the blood.  

Likewise, neurotransmitters released from the presynaptic neuron bind to receptors present on the membrane of postsynaptic neuron and serve to carry the nerve impulse to the postsynaptic neuron.  

8 0
3 years ago
The picture shows what a concave lens does to light shining through it. The picture of the object that comes through the lens is
ehidna [41]
The answer would be
bigger and right-side up (:
4 0
3 years ago
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