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vodka [1.7K]
3 years ago
7

The mass of a rock is a(n) ________________ characteristic of that rock.

Biology
2 answers:
Irina-Kira [14]3 years ago
3 0

Answer:

Physical Characteristic

lions [1.4K]3 years ago
3 0

Answer:

extrinsic

Explanation:

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What are food webs and food chains dependent on?
Juliette [100K]

Answer:

a complex series of feeding relationships with many organisms interacting and depending on each other

Explanation:

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2 years ago
The two main components of plant fertilizers which affect algal growth when they are delivered to aquatic systems via runoff are
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<span>Nitrogen and phosphorous are the most prevalent aquatic pollution and contribute heavily to the excessive growth of algae in aquatic environments called algae blooms. The nitrogen from the fertilizers is found in molecules called nitrates which are compounds of both oxygen and nitrogen. Phosphorous helps algae to absorb carbon dioxide. So when the phosphorous levels are high the algae absorbs more carbon dioxide, which allows for faster photosynthesis and faster glucose production which leads to faster growth. Although algae need both nitrogen and phosphorous to grow, when the levels are too high the algae grows faster than the ecosystem can sustain leading to oxygen deprivation for the other aquatic organisms.</span>
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2 years ago
Microorganisms that live in severe habitats, such as very hot, acidic, or salty environments, are called
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Microorganisms that live in severe habitats, such as very hot, acidic, or salty environments are called extremophiles, which are bacteria, archaea and eukaryotes. They are the most successful organisms because they can adapt in any environment. They can live in oceans, rivers, soil, and even inside a human’s body.


4 0
3 years ago
In 2-3 sentences and in your own words, explain the difference in the cell wall of a Gram-positive cell versus in the cell wall
Dmitriy789 [7]

Answer:

<h2>They are classified on the basis of their cell wall composition and as well as by the reaction to the Gram stain test. </h2>

Explanation:

Most bacteria are classified into two main categories

i) Gram positive bacteria and ,

ii) Gram negative bacteria.  

They are classified on the basis of their cell wall composition and as well as by the reaction to the Gram stain test.

Gram positive bacteria's characteristics

 ii) they have cell walls composed mostly of  peptidoglycan.

i) stain purple after Gram staining.

Gram negative bacteria's characteristics.  

i) they have cell wall only a thin layer of peptidoglycan and an outer membrane with a lipopolysaccharide component.

ii) stain red or pink after Gram staining.  

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2 years ago
Helen was reading about the variety of forms of aquatic organisms. She noted that plants that grow near the surface of the sea a
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D) Plants below the surface receive less sunlight than those on the surface
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3 years ago
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