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Cacti have spines that evolved from leaves.

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11y ago

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How can I identify a prickly weed in my garden?

To identify a prickly weed in your garden, look for plants with sharp thorns or spines on their stems or leaves. These prickly weeds can cause irritation or injury when touched. Wear gloves and use caution when handling them.


What are the leaves called on a saguaro cactus?

Spines have replaced leaves on cacti.


How have leaves of a cactus adapt to the desert?

Leaves have evolved into spines on the cactus.


What are the leaves in venus flytrap plant?

spines


How the spines on an octopus tree help the plan's leaves keep the water they need?

how the spines on an octopus tree help the plant's leaves keep the water they need?


What do thorns do?

Cactus spines prevent moisture loss from plants. Spines also defend the plants from grazing animals. The spines are just modified leaves.


What is the meaning of leaves reduced to spines?

Cacti have spines. Evolutionary theory is that the spines were originally leaves, but which reduced in size and form to carry out a new function, as spines, to protect the plant from predators. According to the same theory the stem of the plant became the gas exchange and the 'chlorophyll-containing' 'photosynthesis' part of the plant, thus replacing the functions formerly carried out by and through the leaves.


Which part of the plant do the spines represent?

Spines on a plant typically represent modified leaves or stipules that have evolved to protect the plant from herbivores or help it conserve water.


Does a cactus have leaves?

No. Some may be considered as leaves but not really. Christmas cactus for instance grows in thin segmented stalks reminiscent of leaves. Cactus flowers have petal that are leafy and green like leaves but not really leaves. barrel cactus and saquaros obviously have no leafy protrusions beyond their flowers.


Why desert plants have scale or spine like leaves?

Scale like leaves


Can a cactus leaf prevent water loss?

Cacti do not have leaves. The leaves have been replaced by spines.


What can be made of of weed leaves and weed plant stem?

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