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nadezda [96]
3 years ago
13

All of the black bears in a cave make up

Biology
1 answer:
fenix001 [56]3 years ago
3 0

All of the black bears in a cave make up a group.

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Question 12 (1 point)
garik1379 [7]

Answer:

legumes

plants they eat

Explanation:

Legumes have bacteria attached to it to allow for nitrogen absorption

the bacteria provide the plant with nitrogen, then the plant is eaten (bacteria can no longer provide more nitrogen if eaten).

5 0
3 years ago
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The issue of whether human activities cause global climate change is a controversial topic. Which limitation to climate research
kompoz [17]
B
The other problems are not as easily solved; whereas, data collection over long periods of time is possible and was already done in the past, eg temperature and weather patterns. Therefore, this is the easiest limitation to overcome.
6 0
3 years ago
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Choose the CORRECT statement concerning the cell membrane lipid molecules
VashaNatasha [74]

Answer:

The correct statement concerning the cell membrane lipid molecules is that "energy is not expended during diffusion" (Option d)

Explanation:

Biological membranes are formed by two lipidic layers arranged with their hydrophilic polar heads facing the exterior and the interior of the cells, and their hydrophobic tails against each other. Membranes are fluid, which means that molecules that form it have the capability to move through it.  

Lipids can easily change places with other neighbor lipids by <u>lateral diffusion</u> in the same layer. This is passive diffusion, which means that it does not need energy to happen.

Lipids can also diffuse transversally to the other layer, but this kind of movement is not as easy as lateral diffusion.

There are also other lipidic movements as rotational diffusion that imply the rotation of the molecule.

Through this lipidic bilayer, there is also a passive transport of some particles from one side of the cell to the other which happens because of concentration differences.

6 0
3 years ago
Having an accurate model of an atom is important except
Kay [80]

we use the model to learn about how to create new things

8 0
3 years ago
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Cells can conduct many task, including which of the following
Zielflug [23.3K]

Cells are the basic structural, functional, and biological unit of all known living organisms. Cells of various types have different functions but the generalized cell functions include movement of substances across the cell membrane, cell division to make new cells, and protein synthesis. So, the answer is D, cell can conduct many tasks, including duplicate themselves, convert energy and selectively exchange materials.

5 0
3 years ago
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