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Because it is the part of the rock that is exposed top sunlight.

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12y ago

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What is the term for high altitude vegetation?

High altitude vegetation is typically called "alpine", from the plants that grow high up in the Alps mountain range.


What are properties of lichens?

Lichens grow extremely slowly. Lichens are able to survive extreme conditions.


Do lichens grow in water?

Lichens generally do not grow in water but can tolerate high humidity levels or brief submersion in water. They are typically found in dry environments such as on rocks, trees, or soil where they can absorb moisture and nutrients from the air.


Why do lichens not occur in Delhi whereas they commonly grow in Darjeeling?

Lichens occur in those area where there is substrate stability and low pollution intensity. Further climatic factors like altitude, relative humidity, temperature etc also contribute in lichen growth.


When do lichens grow?

Lichens can grow in various environments, but they typically thrive in cool, damp conditions. They are resilient organisms that can grow year-round, but they often experience optimal growth during the spring and fall seasons when moisture levels are higher. Overall, lichens can be found growing on rocks, trees, and soil in a wide range of habitats worldwide.


Primary succession?

Plnats grow on rocks like lichens and mosses.


Lichens do not grow around cities because pollutants such as sulfur dioxide quickly destroy a lichen's?

That's not always true, some lichens are indeed sensitive to pollutants such as sulphur dioxide and will therefore not grow in highly polluted areas. However some lichens thrive on certain pollutants and therefore will grow very well in highly polluted areas (cities).


What is a cold dry treeless region where mosses grasses and lichens grow?

This is a tundra, an ecosystem characterized by low temperatures, high winds, and sparse vegetation like mosses, grasses, and lichens due to its harsh climate conditions.


How are mosses and lichens alike?

they grow the same way :-) :-) :-( :-(also they grow at tundra, too


What plants grow on the trink of the trees?

Lichens, mosses and fungi grow on the trunk of trees.


When does primary succession occur?

After a glacier recedes, a volcano erupts, or a strip mine is abandoned.


What kinds of plants grow in the Arctic tundra?

Small, strong plants such as lichens and mosses can grow there.