
Plants and animals have traits. Their traits come from their parents too!
What Do You Think? What traits do you share with others?
Photo Credit: Alexey Kozhemyakin/Shutterstock
We learn by doing. Work with your classmates. Listen to … read more
Cleaning up is a good way to invest in the … read more
Echidnas are small, spike-covered mammals. They live in areas with … read more
© 2026 McGraw-Hill Education. All Rights Reserved.