Which kingdom contains organisms that are multicellular, heterotrophic, eukaryotic, and lack cell walls?

Answer;

-Animalia

Explanation;

-Kingdom Animalia is the kingdom that has organisms which are eukaryotic, multicellular, heterotrophic, can reproduce sexually or asexually, and have no cell wall.

-General characteristics of the Kingdom Animalia includes; Animals are eukaryotic, multicellular and heterotrophic organisms. They have multiple cells with mitochondria and they depend on other organisms for food.

-This Kingdom does not contain prokaryotes (Kingdom Monera, includes bacteria, blue-green algae) or protists (Kingdom Protista, includes unicellular eukaryotic organisms).

it's c. (to reduce the greenhouse effect/carbon gasses)

trachea, alveoli, lung capillaries, arteries