Newly discovered multicellular organism obtains food by digesting dead organisms. such an organism is most likely a member of the kingdom

Fungi.

Explanation:

Fungi is separate kingdom in the classification. The members of fungi contain the cell wall made of chitin. The fungi organisms shows both the asexual and sexual reproduction by the spore formation.

The fungi are heterotrophic organism and depends on other organisms for their food. The fungi are saprotrophic in feeding as they prepare their food from the dead and decaying organic matter. The dead organism are used as the source of food fore the members of fungi.

Thus, the correct answer is fungi.

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

i didn't have the answer choices , but i tried my best.