If the whole world become pure vegetarian, what kind of imbalance in nature will occur

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?