Some organisms living in a vacant lot include grass, dandelions, mice, grasshoppers, and slugs. collectively these organisms represent
(a) an ecosystem.
(b) a community.
(c) a population.
(d) a mutualism.
(e) a biome

The correct answer is option (B) "a community".

Explanation:

A biological community is defined as a group of organisms from various species that interact within a defined location. A biological community is one of the smallest categories of ecology, since it comprises a small location and the interaction of few species. An example of a biological community is the group of some organisms living in a vacant lot include grass, dandelions, mice, grasshoppers, and slugs.

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers

a ratio derived from the equality between two different units that can be used to convert from one unit to the other. information obtained from experiments, sometimes called experimental results. the part of the experiment that is affected by the independent variable.