Some seeds have hooks or spines in them. why
WebAug 3, 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 … 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 plant. Later, these seeds may either fall off, or are rubbed off by the animals. In this way the seeds are dispersed to a new surrounding where they germinate.
Some seeds have hooks or spines in them. why
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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. WebHow 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. …
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 2, 2014 · Adaptation and seed dispersal. Adaptation is an evolutionary process that helps an organism make the most of its habitat. Seed dispersal is an example of adaptation. Fires are common in Australia, so some …
WebSome seeds have claws, spines, hooks, or other parts that cause them to cling to animals passing by. After falling off or being pulled off the animal, the seeds can sprout in a new place. People power. We move seeds when we buy and plant them. Sometimes seeds get stuck in mud in our shoes or in bike tires, then end up in a new spot. If these ... 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 ...
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 ...
WebMar 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 … northland iwiWebMay 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. northland itineraryWebAug 9, 2024 · Some seeds have wing like or hair like structure. Over thousands of generations, the shape of the seed wings becomes modified to take the best advantage of the winds prevailing at the time when the seeds are ripened and ready for dispersal. Very small seeds may have extended, almost weightless structures that enable them to be … northland islandsWebSep 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 … how to say safe in greekWebgermination. . 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 … how to say safe in frenchWebMany 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 … how to say safe in japaneseWebBirds eat fruits along with seeds. Seeds are dispersed to some other place through their faeces. Example: Neem seeds are generally dispersed by faeces of birds. Dispersal by Animals. Few seeds have hooks or spines that attaches to ... attach to the animal’s fur and are dispersed with them. Along with fruits, the seeds also are dispersed ... how to say safe in asl