Answer quickly! which substance is used by plants as a source of food? a. water b. glucose c. oxygen d. carbon dioxide

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

What is the genotype of the male circled in pink? ο χου lo xay xaya done answer was xay

Which of the following terms describes all of the non-living components of an ecosystem