Answer: Specie
Explanation:
The basic unit of classification of living things is species. species is the smallest unit containing members which have the largest number of features in common and usually interbreed among themselves.
Thus, the group of deer describes a specie since they can interbreed freely and are similar in characteristic features.
Aerobic respiration is producing of cellular energy involving oxygen.
Anaerobic respiration is respiration using electrons through molecular oxygen.
Explanation:
Desert
Cactus-butterfly-lizard-snake
Purchase inexpensive imported food increase single use items
I studied this before and I'm pretty sure it's D (sorry if I'm wrong)