Should we preserve animals before we preserve plant or insect species?

Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?

In what for do plants utilize nitrogen? why do they need nitrogen?

Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.