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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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17y ago
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7mo ago

Plants that have seeds inside burs use this adaptation to protect their seeds from being eaten by animals and to aid in seed dispersal. The burs are often prickly or clingy, making it difficult for animals to consume or carry away the seeds, thus increasing the chances of successful seed dispersal.

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


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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.


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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.


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No, not all plants produce seeds. Some plants reproduce through spores, runners, bulbs, or other methods that don't involve seed production.


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