Answer:monoecious-
A. has megasporangiate and microsporangiate flowers on the same plant
Dioecious- B. has megasporangiate and microsporangiate flowers on different plants.
Angiosperm-C. produce flowers and fruits
Gymnosperm- D. produce seeds that are not protected by the ovary
Explanation:
Monoecious plant are plant that have both male and female part or sex organ are located on the same plant example is cowpea
Dioecious are plant that have male and female gametes or organ are locate on different plants example is pawpaw
Angiosperm are called flowering plant. They have both fruits and seed. The ovule develops into seed while the ovary develops into the fruits. They are both unisexual and bisexual example is peas
Gymnosperms are non flowering plant. They have seeds but no fruits. They are unisexual example is pine
I believe the answer is B. They were no longer able to acquire the necessary characteristics for survival in a changing environment. I think it is B. because trilobites mostly went extinct because of the event that wiped out 95% of Earth's species. So they didn't have the characteristics to survive. Hope I helped!
Answer:
Growth is an example of statistical process of nucleation.