Gymnosperms

Question 1

Coniferophyta

Answer 1

1. reproductive structures in cones
2. largest group
3. tallest & oldest living organisms

Question 2

Cycadophyta

Answer 2

1. resemble palms
2. warm & tropical conditions
3. flagellated sperm (ancestral condition)

Question 3

Gnetophyta

Answer 3

1. desert & tropical regions

2. vessels in xylem (convergent evolution)

Question 4

Ginkophyta

Answer 4

1. one existent species
2. deciduous (loses leaves)
3. separate male and female plants