The region of land—approximately 4 km2—a jaguar must roam to collect food would be an example of a(n)
question 14 options:

biome.

ecosystem.

habitat.

population.

The correct option is C. habitat

Explanation:

In ecology, a habitat can be described as a place where an organism lives. A species habitat can be defined as a place where it can find shelter, where it can find its food, where it can mate etc. Hence, option C is correct.

Other options like option D are false because a population is not a region of land. Population can be described as the number of individuals of a species which live together in an area at the same time period and can interbreed to produce fertile offsprings.

the trilobite is used as an index fossil for various geologic time periods as specific types of the trilobites were present in different geological time periods. they are a group of marine arthropods belonging to the class of trilobita.

explanation:

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.