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Some varities of cacti develop bulbs, or more accurately, nodules or tubers, on their roots as a means of storing specific nutrients that the plants need as they grow. Some root nodules store nitrogen while others maintain a high concentration of salts which aid in water absortion. Still other types of nodules may signal disease or infestation of some sort, depending on the species of cactus and its location.

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Q: Why are bulbs on roots on a cacti?
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Related questions

Does a cactus have shallow roots?

Some cacti have shallow roots. Other cacti have long tap roots.


Why do cacti have long roots?

cacti have long roots to soak up all the rain water


Why the roots of some plants get modified?

To adapt to the environment they are in.Example:Some cacti have their roots deep in the ground, to get groundwater.Some cacti have their roots spread out, to catch rainwater. Their roots also secrete an acid that makes it difficult for other plants (including other cacti) to grow on those roots. This limits the competition for water.


Why do the roots of some plants get modified?

To adapt to the environment they are in.Example:Some cacti have their roots deep in the ground, to get groundwater.Some cacti have their roots spread out, to catch rainwater. Their roots also secrete an acid that makes it difficult for other plants (including other cacti) to grow on those roots. This limits the competition for water.


Why do Cacti have many roots?

Because they are plants, the roots are used the same way in cacti as in every plant, to take in water for the plant to use.


What do javalina?

They eat bulbs, prickly pear cacti, other various types of cacti, roots, berries, acorns, squash if they find them, grubs, worms, insects and larvae, small reptiles and amphibians, carrion, eggs and baby birds(ground nesting or fallen only) Hope I helped =)


What kind of roots do cacti have?

Some cacti have a tap root while others have a dense fibrous root system.


What make cacti die?

overwatering will cause the roots to rot


Do cactus get minerals?

Cacti obtain their nutrients from the soil via their roots.


Were do cacti get their water?

Cacti get water from rainwater that is stored in the special roots of the cacti


What stops the cactus from blowing away?

Cacti have very strong roots that go deep into the Earth searching for water. Since they go so far, they must be very strong. The stronger the roots, the deeper they search for water. Roots secure plants to the ground, but some can't. Cacti can.


Is a cacti an omnivore or a carnivore?

Cacti is the plural of cactus. A cactus is a plant and isn't an anything~ivore. It lives by absorbing water and nutrients from its surrounding soil, through its roots.