Some seeds have hooks or spines in them. why

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WebOct 20, 2024 · Xanthium and Urena are the plants in which the fruits produces seeds having structures like spines or hooks. Why do seeds have hooks and barbs on them? When … 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 …

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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. 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 ... greatlite flashlight parts

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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. WebJan 22, 2024 · The Strategy. The fruit of lesser burdock is a round head about three-quarters of an inch (2 cm) wide, with purple petals, covered in long, flexible, spines that end in … WebJun 30, 2024 · Some seeds have hooks and spines on them so that they can be dispersed to long distances. EXPLANATION: Hooks and spines help the seeds to attach themselves to the furs or coats of animals and then travel long distances. In … flood alerts in cumbria today

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Statement 1: Spiny seeds with hooks are dispersed by …

WebSep 2, 2014 · Agents of dispersal More than wind and water, animals and birds can make valuable allies who can help disperse seeds. Some fruits have spines and hooks, which … WebThe seeds of the fruits get dispersed by different methods. Xanthium and Urena are the plants in which the fruits produces seeds having structures like spines or hooks. These … flood alerts phWebHow 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. … flood alerts next 5 days

"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. " - Some seeds have hooks or spines in them. why

Some seeds have hooks or spines in them. why

Why are seeds dispersed by animals? – Heimduo

WebJan 27, 2024 · Explanation: Dispersal of seeds is one of the important factor in distribution and growth of plant species. So plants adopt different methods to make seed dispersal. Seeds contain hooks and horns to get attached to animals and get dispersed. These seeds get dropped in the areas where the animals move. Dispersal of seeds is very important for ... Webparty 1K views, 8 likes, 4 loves, 15 comments, 0 shares, Facebook Watch Videos from M. L. King Funeral Directors: Celebration of Life for Lawrence Seay

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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 … WebThe Great Burdock plant's seeds have spines on them that attach to the fur of animals that brush against it. The seed then travels with the animal until it eventually falls off, which spreads the plant's seeds farther than the plant could have done. What type of symbiotic relationship is this? a. Mutualism b. Commensalism c. Parasitism d ...

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 … WebMany plants produce fruits or individual seeds which have hooks or spines. These hooks attach the seed to the animals's fur or feathers - or, in the case of humans, to clothes. The …

Webgermination. . The root grows down to take up nutrients from the soil and the shoot grows up towards the sunlight to become a stem. The seed becomes a seedling. As this … WebJul 10, 2024 · Why xanthium seeds have hooks and spines? Fruits and seeds of many plants are provided with hooks, spines, barbs or stiff hairs so that if an animal grazes or brushes against them, these stick to the animal’s body or clothing. Thus, the fruits of Xanthium strumarium (cocklebur) is provided with hook-like structures which are effective in ...

WebFeb 12, 2011 · Cocklebur seeds have spines and hooks that attach themselves to animals or people who step on them, carrying them away from the original plant. This causes them to spread over a greater area than ... flood alerts in herefordshireWeb42K views, 2.2K likes, 385 loves, 2.3K comments, 648 shares, Facebook Watch Videos from CelebrationTV: BIBLE STUDY With Apostle Johnson Suleman. ( April 11th, 2024) greatlite flashlight bulb replacementWebJul 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: … flood alerts in walesWebJun 4, 2024 · (c) 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. Question 15. flood alerts prestonWebSnails disperse the small seeds of a very few plant species (e.g., Adoxa). Earthworms are more important as seed dispersers. Many intact fruits and seeds can serve as fish bait, those of Sonneratia, for example, for the catfish Arius maculatus. Certain Amazon River fishes react positively to the audible “explosions” of the ripe fruits of Eperua rubiginosa. … great literary agentsWebAnimals: 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. flood alerts pontypriddWebMar 14, 2024 · Why do some seeds have hooks and spines on them why? Wiki User. ∙ 2024-03-14 08:46:21. Add an answer. Want this question answered? ... Why is the phloem in a … great literary authors