4° Adaptations on plants and extremophiles

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Plants compete for (a)   water, space and nutrients from the soil.

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A cactus is adapted to survive in a very (a)   environment.

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Cacti minimize their surface area by replacing leaves for (a)   .

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Spines are also an adaptation that (a)   cacti from animals that might eat them.

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(a)   stems help the cactus to store water.

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A (a)   coating helps the cactus to stop water from escaping.

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Cacti have an extensive (a)   system to collect water from a large area.

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(a)   are organisms which have adapted to live or survive in extreme envirnments.

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Extreme environments may have very high levels of (a)   , high temperatures or high pressures.

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The (a)   which is a type of bacteria is an example of an extremophile.