What's the answer to number 17 and 18?

Identify the image that doesn’t depict a reproductive strategy. 1st image: a bird feeding their young residing in a nest. 2nd image: a lioness nestled with her young. 3rd image: leaves of a tree during the day time. 4th image: a fish gazing up at what appears to be bubbles or mosquito eggs.

What type of graph presents information about how often certain or traits occur?

Which hormone is used by both males and female?