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How are angiosperms and gymnosperms related?

Answer 1

Benjamin Alvin

The angiosperm has evolved from gymnosperm by closing the ovule in ovary.

The angiosperm is a advance group than the gymnosperms. Naked ovules in the gymnosperms are enclosed into the ovary in angiosperms. This advancement helps the survival and dispersal of seeds to the remote places.
The vascular bundles area also more efficient in the angiosperms compared to the gymnosperms due to presence of efficient xylem vessels, tracheids, sieve tubes, companion cells etc. Thank you

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Answer 2

Natalie Ahrens

Both the angiosperm and gymnosperm families of seed-producing plants have reproductive structures that are different from one another: angiosperms have enclosed seeds and flowers, while gymnosperms have naked seeds. Despite these variations, both taxa belong to the larger group of seed plants, or spermatophytes, and have a common evolutionary history as vascular plants.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.