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A bur, thorn or other obstruction on a seed coat protects the seed from being rendered unviable because animals are deterred from eating the seed and subjecting it to harsh digestive juices. Burs, or sticky, prickly seed coatings also allow the seed to be carried afar by animals who brush against the bur and get it stuck on their fur.

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Q: Why do some plants have seeds that are inside burs?
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Related questions

Some plants produce seeds that develop inside of what?

some plants produce seeds that develop inside of what?


Some trees bear seeds inside fruit and some bear seeds inside what?

Some trees bear seeds inside fruit and some bear seeds inside pods or cones.


What the difference between the structure of a seed that is spread by wind and the structure of a seed that is dispersed by animals?

The seeds dispersed by the wind are small, light and have a feather or hair-like structures that make it easy for the wind to carry and disperse them in other places. The seeds dispersed by animals have adaptations such as burs that cling onto the fur or feathers of animals and get carried to new sites. In some other plants, the seeds are produced inside fleshy fruits that are eaten by animals and pass out through the digestive tract and are dropped in other places.


What is the difference between the structure of a seed that is spread by wind and the structure of a seed that is dispersed by animals?

The seeds dispersed by the wind are small, light and have a feather or hair-like structures that make it easy for the wind to carry and disperse them in other places. The seeds dispersed by animals have adaptations such as burs that cling onto the fur or feathers of animals and get carried to new sites. In some other plants, the seeds are produced inside fleshy fruits that are eaten by animals and pass out through the digestive tract and are dropped in other places.


Do all plants produce seed?

Not all plants do actually. Most Vascular Plants ( plants with tubes ) have seeds. Some plants have spores instead of seeds.


Do young plant produce seed?

Well not all plants produce seeds because they are different kinds of plants , so some can and some can not produce seeds .


Do plants that have seeds grow and develop faster than plants without seeds?

Well plants with out seeds are actually man made so they dont make seeds because of that but if they are organic for some plants it might grow faster it just depends on the plant really


What can glucose that isn't used by the plant be stored as?

Glucose is stored as a type of starch in seeds. Some plants also store it in specialized organs inside of the plant.


How do plants make seeds?

when you grow a plant such as a vegetable when you plant it not only your planting seeds but in some seeds there's extra seeds in it which is smaller then the seed so as it grows the extra seeds get inside of the plant.


Why some plants have flowers?

To produce fruits and seeds


Why some plants no need seed to grow?

Seeds are a way that some plants reproduce. Those that do not use seeds for reproduction, do not need seeds. <><> They have other means of reproduction. Strawberry plants send out runners, which will root and form new plants. Potato plants grow potatoes, which sprout into new plants. Garlic and daffodils grow bulbs, which sprout new plants.


Do flowering plants use seeds for reproduction?

Only some plants do that.But not only some time.