A biome is a community of plants and animals that occupy and have common characteristics for the environment within which they exist. Earth contains a wealth of different biomes because various environmental differences exist in different locations. ...
Give a reason why animals must be classified. Imagine that you are a marine biologist. As part of your exploration, you dredge up an unknown animal species from the seafloor. Describe some of the characteristics you should look at to determine the phylum to which the creature should be assign...