producing or capable of producing offspring
I'm not sure if understand the question. if you mean when is a women fertile then the answer is for approximately 3 days a month which is gust be four her period.
A lion uses sexual reproduction because the females egg needs to be fertilized by a male for it to become fertile.
asexual reproduction
being fully mature means that your bodies have reaches nearly max. stage of development. this means that either the sperm or the eggs have become fertile and you are capable of reproduction.
The lecturer believed his students had fertile minds to take on what he was going to teach them.
If an animal is fertile this means it can reproduce.
The power to reproduce in kind or to assist in reproduction and growth. Applied figuratively, it suggests readiness of invention and development.
What does reproduction mean
Fertile means that you are capable of reproducing and offspring refers to the reproduction that you have made. So a fertile offspring would mean that your baby is capable of having a baby when they get old enough.
"Therefore, the ground became fertile"
A fertile plain
It means "fertile" in Spanish