Which is an innovation of gymnosperms? -

a.) gymnosperms are the first seed plants.

b.) gymnosperms are the first flowering plants.

c.) gymnosperms are the first vascular plants.

d.) gymnosperms are the first spore plants.

it is A. just took the test

Explanation:

Gymnosperms are the first seed plants.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.