A student makes a model to represent community as a level of organization within a desert ecosystem. Which list of items should the student choose for the model? *

1.six saguaro cacti and a cup of sand
2.three sand dunes and a cup of water
3.three saguaro cacti, five roadrunners, and two rattlesnakes

The correct answer is - 3. three saguaro cacti, five roadrunners, and two rattlesnakes.

Explanation:

A community is a group of interacting populations, in a particular ecosystem, of different species. The group of the same species is known as the population of the ecosystem. In the desert ecosystem, there should be a different group of populations should be found that interact with one other.

Among the given options, the third list has a different kind of species present three saguaro cacti, five roadrunners, and two rattlesnakes interact with one other and depend on one other for food and energy.

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

hope this !

b. lithosphere, asthenosphere, mesosphere   is the answer most likely