Some seeds have hooks or spines in them. why

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August undefined, 2024

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 … 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 ...

Why some fruits are covered with spines and hooks?

WebJun 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. WebSep 12, 2024 · Explanation: Hooks and spines help the seeds to attach themselves to the furs or coats of animals and then travel long distances. This helps the seeds to be … 6陽

Big or small, smooth or prickly, all seeds have the same work— …

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. WebSome of the most common species of plants to have this feature include: Avens. Burdock. Ragweed. Stickseed. Agrimony. Why do seeds have hooks or spines? You may be … 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. 6階英語表記

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Why do some seeds have hooks on them - Brainly.in

Web216 views, 3 likes, 6 loves, 18 comments, 8 shares, Facebook Watch Videos from Rich Nuts: Join Rich, the nut expert behind Rich Nuts, and some amazing testicular cancer survivors and experts for an... 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. 6隊循環賽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. … 6院46所

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

Some seeds have hooks or spines in them. why

Statement 1: Spiny seeds with hooks are dispersed by …

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 … 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 ...

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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 … 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 ...

WebANIMALS too play an important role in scattering away the seeds to far off places. Dispersal by Animals • Many fruits and seeds are spread by animals, birds, insects and humans. • Some seeds have hooks or spines which help them to stick to the body fur or hair of animals and also to the clothes of humans and are thus carried away. 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 …

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 … 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.

WebBirds 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 ...

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: … 6階会議室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. 6階建て一軒家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 6隻兔子看穿WebSnails 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. … 6階建て高さWebJul 14, 2024 · Which seed has hooks or spines? Answer: Xanthium and Urena are the plants in which the fruits produces seeds having structures like spines or hooks. How do seeds … 6隻手指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 6隻手腳動物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 … 6階建て住宅