Question

1. Which of the following are adaptations to land of both gymnosperms and angiosperms but are lacking in ferns and mosses?

A) spores
B) true roots, stems, and leaves
C) fruits and flowers
D) pollen and seeds
E) vascular system

2. Mammals have two traits that set them apart from all other animals. These are

A) body hair or fur, and being homeothermic.
B) amniotic eggs and milk production.
C) four-chambered heart and body hair or fur.
D) four-chambered heart and milk production.
E) body hair or fur, and milk production.