2007-06-25 08:49:42 · 4 answers · asked by I.Like.To.Disco 1 in Science & Mathematics ➔ Botany
Since you mention the Galapagos, it is interesting that on islands with no animals that eat cactus, the spines are soft and furry, but on islands with animals that eat cactus, like the tortoises, the spines are sharp.
2007-06-25 14:11:06 · answer #1 · answered by prairiedog 3 · 0⤊ 0⤋
Large Cacti
2016-10-14 10:52:57 · answer #2 · answered by Anonymous · 0⤊ 0⤋
They have spines for protection, a cuticle ( waxy material ) covering them to protect them from excessive water loss, extensive root system to hold water for future use, thick stems that carry on photosynthesis and store water. They can reproduce both sexually and asexually as well.
2007-06-25 10:26:41 · answer #3 · answered by ATP-Man 7 · 0⤊ 0⤋
They have huge needles that keep prey away from them.
2007-06-25 08:52:23 · answer #4 · answered by Elaine P...is for Poetry 7 · 0⤊ 0⤋