Which best explains the evolution of gymnosperm plants?
a. they evolved along with monocots and dicots.
b. they evolved after the seeded flowering plants.
c. they evolved after the seedless vascular plants.
d. they evolved before the seedless nonvascular plants.

The answer to this question about the evolution of the gymnosperm plants would be C. They evolved after the seedless vascular plants.

Gymnosperms, or sometimes termed as seed plants, are classified as vascular plants and has been thriving for centuries on earth through producing seeds. They are multicotyledonous and are the opposite of flowering plants. Conifers would be the most abundant group of gymnosperms while the cycads come in second. Gingko would place last with just having one species under its name.

For you to be sure whether it is high pressure in the breathing system or to confirm the percentage of air which is taken in and out by the patient