Some seeds have hooks or spines in them. why
WebJul 7, 2024 · Answer: Xanthium and Urena are the plants in which the fruits produces seeds having structures like spines or hooks. Why do seeds have spines? EXPLANATION: … WebJul 4, 2024 · Name some seeds which have hooks or spines . class 5 See answer Advertisement Advertisement officialjoker630 officialjoker630 Answer: Xanthium and Urena are the plants in which the fruits produces seeds having structures like spines or hooks. Advertisement Advertisement
Some seeds have hooks or spines in them. why
Did you know?
WebSome may be carried away by the wind. Many attract animals that will eat the fruit and pass the seeds through their digestive systems, then deposit the seeds in another location. Cockleburs are covered with stiff, hooked spines that can hook into fur (or clothing) and hitch a ride on an animal for long distances. WebMay 30, 2024 · Seeds of Xanthium, Urena have spines and hooks on them, these hooks or spines are attached to the fur of the animal body. When animals move to other places and rub their body with tree, etc., these seeds fall from their body and get dispersed.. Therefore, these are dispersed through animals.
WebAnimals: The fruits and seeds with hooks, spines, bristles, stiff hair, etc., get attached to the body of hairy and woolly animals and are carried away by them to distant places. For instance fruits of Xanthium and Urena bear curved hooks, spear grass has a bunch of stiff hair, Tribulus has sharp and rigid spines. WebExamples of seed dispersal by wind; Seeds which have wings and hairy parachutes on them are carried by the wind. E.g. – sycamore, ash, maple, lime, dandelion and thistle. When pods dry, they split open suddenly and shooting the seeds away from the parent plant and this is easy when the wind is there. E.g. – peas, lupins, laburnum and gorse.
WebFeb 16, 2024 · Answer: The three agents of dispersal are: Wind: wind scatter the light weight seeds of cotton plants and Dandelion. Water: seeds of the plant that grow in or near water … WebSome plants produce seeds that are covered in hooks or spines. These seeds get attached to animals fur or feathers. They are carried upto a certain distance away from their parent …
WebQ. Statement 1: Spiny seeds with hooks are dispersed by animals. Statement 2: Some seeds are even dispersed by the bursting of fruits. Q. Assertion :Some fruits are furnished with hooks, spines, barbs, or other devices for sticking to the body of animals. Reason: Such fruits are dispersed by animals. Group the seeds given in figure (i) to (iii ...
WebJul 13, 2024 · The spiky things are called spines, and they have several functions. The term “cactus” is used to describe plants in as many as 200 genera, including more than 2,000 … eric beato why is leadership importantWebHow do the hooks on the seeds help in seed dispersal? The seeds of some plants are dispersed by animals. Plants such as burdock have hooks to which the seed is attached. … eric beatty receiverWebHow do the hooks on the seeds help in seed dispersal? The seeds of some plants are dispersed by animals. Plants such as burdock have hooks to which the seed is attached. These hooks easily get caught in the fur of mammals as they pass by the plant. At some point the seed will fall, often a considerable distance from the parent. eric beatty fdl