Search 7,000+ topics

Practice problem

Natural Selection: What Is Fitness?

By Tanya Peifer

A polar bear gives birth to four offspring in her first litter and three offspring in her second litter. Unfortunately, three of her offspring passed away. A seal gives birth to two offspring in her first and second litter. Which mother has a higher fitness?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

↑ ↓ to choose · Enter to openSearch explanations and problems