Defination of saftey symbol (biology)

Which would be an adaptation in a rainforest, but not in a tundra? a. ability to store water for a long time b. fur that blends in with snow c. strong claws for killing prey d. a beak that can dig into thick trees

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

What two fields of study provide the core information that is used to classify organisms?