Artificial & Sexual selection

What is artificial selection?

Humans choose which organisms reproduce based on desired traits.

Give an example of artificial selection.

Dog breeding or selectively breeding crops for desirable traits.

What is sexual selection?

Selection for traits that increase an individual's ability to obtain mates or reproduce.

What are the two types of sexual selection?

Intrasexual selection and intersexual selection.

What is intrasexual selection?

Competition between individuals of the same sex for mates.

Give an example of intrasexual selection.

Male deer competing with each other using their antlers.

What is intersexual selection?

Mate choice by one sex for individuals of the other sex.

Give an example of intersexual selection.

Female birds choosing males with more elaborate feathers.

What does "intra" mean?

within

What does "inter" mean?

Between