a a) which era is regarded as as
Gymnospons? Crime and fin salient features of
Gyrnosperms?
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Explanation:
Paleozoic Era
Fossil records indicate "gymnosperms" originated in the Paleozoic Era, during the middle Devonian Period about 390 million years ago, and reached their greatest diversity during the Mesozoic Era, between 60 to 225 million years ago.
Section Summary. Gymnosperms are heterosporous seed plants that produce naked seeds. They appeared in the Paleozoic period and were the dominant plant life during the Mesozoic.
Characteristics of Gymnosperms
They do not produce flowers.
Seeds are not formed inside a fruit. ...
They are found in colder regions where snowfall occurs.
They develop needle-like leaves.
They are perennial or woody, forming trees or bushes.
They are not differentiated into ovary, style and stigma.
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