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.

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.