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monitta
3 years ago
10

Primary succession is taking place. Lichens are most often found on exposed rock and are the organisms responsible for initial

Biology
1 answer:
Rudik [331]3 years ago
3 0

C

The hygroscopic nature of lichen also does not allow them to survive highly polluted environments. This is because they will also absorb the toxins from the atmosphere into their systems. The toxins will then affect their growth, negatively.

Explanation:

Lichen is one pioneer species in primary succession. They have undefined roots hence do not require soil and can grow on rocks and break them down slowly by chemical weathering (using excreted organic acids). More so lichen does not need to absorb nutrient via roots because the organism is a symbiotic relationship between fungi and algae. The algae can use photosynthesis to manufacture food while the fungi complex hyphae that surround the  algae can absorb water & nutrients from the air due to their high hygroscopic nature.

Learn More:

For more on lichen check out;

brainly.com/question/13022138

brainly.com/question/14134660

#LearnWithBrainly

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See the file I attached for more information

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Explanation:

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3 years ago
Which of the following is not a cellular activity associated with microtubules?
sladkih [1.3K]

Answer:

A. maintenance of axons is not a cellular activity associated with microtubules.

Explanation:

Microtubules are hollow, bead-like, tiny tubular structure that helps cells maintain its shapes. Together with microfilaments and intermediate filaments, they form part of the cell's cytoskeleton. Microtubules also contributes to the cell movement or cytokinesis that includes muscle contractions in muscle cells. Microtubules also replicated chromosomes to opposite ends of a cell during cell division. Microtubules also contribute to the parts of the cell that help it move and are structural elements of cilia, centrioles and flagella. A bundle of microtubules makes up an axonemal structure of cilia and flagella.

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3 years ago
Explain the role of organic compounds in cellular respiration
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3 years ago
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7 0
3 years ago
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3 years ago
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