Which group of gymnosperms lives in hot deserts and tropical rain forests?
cycads
conifers
gnetophytes
ginkgoes
Cycads
Most gymnosperms have which reproductive structures?
sperm cells
ovules
cones
pollen
Cones
What determines the time of flowering in many plants?
the amount of light a plant receives
the amount of water a plant receives
the amount of fertilizer a plant receives
the amount of darkness a plant receives