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Ivanshal [37]
3 years ago
11

Why are lichens called soil formers

Biology
1 answer:
Ipatiy [6.2K]3 years ago
6 0

Answer:

Lichens are not parasitic when they grow on trees, they just use the tree bark as a home. They enrich the soil by trapping water, dust and silt. When lichens die they contribute organic matter to the soil, improving the soil so that other plants can grow there.

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In which way does genetic variation within a population help to ensure the survival of a species in response to the environment
prohojiy [21]

Answer:

b

Explanation:

if the genes are varied some will have different traits than others, which means that some members of the population might not be affected by something that other members would be affected by

3 0
2 years ago
What is one use for X-rays?<br> A. Sterilizing<br> B. Cancer treatment<br> C. Airport security
Anit [1.1K]
B uses radiation so I would assume it would be the one using x rays
7 0
3 years ago
Read 2 more answers
What happens to biodiversity<br> and ecosystems when the<br> environment changes?
natita [175]
Answer: Loss of biodiversity appears to affect ecosystems as much as climate change, pollution and other major forms of environmental stress, according to results of a new study by an international research team. ... Studies over the last two decades demonstrated that more biologically diverse ecosystems are more productive.hope this helps:)!
3 0
3 years ago
Not good with bio pls help !
Arte-miy333 [17]

Answer:

They adapted with new traits to survive to new environments.

Explanation:

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3 0
3 years ago
Enzyme hot spring graphing what enzymes probably came from the digestive tract of the mondoni
AURORKA [14]
I found the full exercise on the internet and it describes that there are three enzymes and you want to know which are the two enzymes from the <span>digestive tract of the mondoni and which one is the enzyme from a hot spring.
Attached are two graphs from the analysis of the activity of these enzymes regarding temperature and pH. I found these graphs with the full exercise.
The enzymes that probably came from the </span>digestive tract of the mondoni were enzymes A and B. These enzymes were resistant two lower levels of pH which indicates that they could be present in a <span>digestive tract, which tends to be acidic, while the enzyme C does not tolerate lower pH levels. Enzymes A and B were also more active when in lower temperatures that match temperatures of a normal living organism, whereas enzyme C was more active in higher temperatures matching its probable provenience - a hot spring.</span>

6 0
3 years ago
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