We know that animals can be separated into two big groups: vertebrates and invertebrates. An example of each would be a horse an
d a horse fly. Even though these animals are very different structurally, they have several things in common. Both animals MUST have a method for ____________ because they are both classified as heterotrophs. A) moving
B) using oxygen
C) getting food
D) reproduction
The correct answer is C.) Getting food. Unlike plants, which have the ability to produce enough food through photosynthesis, heterotrophs, which include all animals (Invertebrates are animals as well) must gain their food from outside sources. Hope this helped!
