The female organ of the flower is called the _____, or carpel.

petals
nectar
pistil
stamen
filament

pistil

The male organ of the flower is called the _____.

stamen
nectar
petals
filament
pistil

stamen

The correct answer is pistil. The pistil is the female reproductive organ of a flower, consisting of three main parts: the stigma, style, and ovary. It is responsible for producing and receiving pollen needed for fertilization.

To find the answer to this question, you could have used a variety of methods. Here are a couple of approaches:

1. Reference books or websites: You can consult botany textbooks, encyclopedia entries, or reliable websites focused on botany or flowers, such as horticulture websites or educational resources. By searching for the parts of a flower, you would have found that the female reproductive organ is called the pistil.

2. Botanical diagrams: If you have access to a botanical diagram, you can visually analyze the various parts of a flower. The diagram usually labels each part, including the pistil.

It's important to rely on credible sources when researching information to ensure accuracy.