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What are cacti thorns useful for?
Cactus spines prevent moisture loss from plants. Spines also defend the plants from grazing animals. The spines are just modified leaves.
Why did the modification of leaves into spines happened?
The process of removal of excess water from the plants.
What part of the cactus does photosynthesis?
In a cactus the leaves have been reduced to spines, to reduce the surface area from which water can be lost and to deter animals from eating the plant. As there are no leaves, photosynthesis must take place in the stem.
Why leaves are absent in cactus?
To protect it from predators in the desert.(: and to reduce the rate of transpiration. In many cases the thorn are formed by the modification of shoot , Thus eliminating the leaves hence the free surface to minimize the transpiration.)
Why do some desert plants shed their leaves in the season?
Small leaves (usually waxy) and cactus spines lessen the loss of water due to transpiration.
What is the function of leaves on a cactus?
defence. the cacti leaves are the thorns...
What are cacti thorns useful for?
Cactus spines prevent moisture loss from plants. Spines also defend the plants from grazing animals. The spines are just modified leaves.
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?
Tell how the spines on an octopus tree help the plant's leaves keep the water they need?
Tell how the spines on an octopus tree help the plant's leaves keep the water they need?
Can a cactus leaf prevent water loss?
Cacti do not have leaves. The leaves have been replaced by spines.
Why did the modification of leaves into spines happened?
The process of removal of excess water from the plants.
What are the spines on the cactus and why are they important?
ShelchavCactus spines are actually modified leaves. It helps if you think of cactus as a large stem with leaves (spines). One of the main functions of the spines is fairly obvious, which is to protect cacti from predators such as animals and people. Spines will turn away most animals, but there are a few that are not put off by prickly spines. These animals include javelina, pack rats, desert tortoises and even Desert Bighorn sheep.Saguaro (Carnegiea gigantea)A major function of cactus spines serve to provide protection for the cactus from the sun. At first, it is hard to believe that tiny cactus spines offer any real protection from the intense desert sun. But when you consider that a cactus can have thousands of spines and each spine provides a small amount of shade and multiply that by 1,000 - well it becomes easier to believe that spines really do offer some protection from the sun for the skin of the cactus.
How do spines which are modified leaves of cacti become adaptive structures?
they prevent too much loss of 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.
Plant grows in desert and have no leaves?
Their leaves are either needle like or reduced to spines so as to reduce water loss by evaporation. The function of the leaf is taken up by the stem which has cells containing chloroplasts to absorb light and also lenticels to absorb gases.By Mr. X Ycactus
What part of the cactus does photosynthesis?
In a cactus the leaves have been reduced to spines, to reduce the surface area from which water can be lost and to deter animals from eating the plant. As there are no leaves, photosynthesis must take place in the stem.
Which is a modification into the spine in cactus plants?
The cactus adapted to its harsh environment by developing thick skin to slow the evaporation of water. The leaves changed in order to reduce the surface area that water could evaporate from and over time became defensive spines to protect itself from animals trying to get inside its thick skin for the moisture.
