All organisms in kingdom animalia are multi cellular, meaning their bodies are composed of more than one cell.

which other characteristic is common to organisms in kingdom animalia

a. they all have a backbone.
b. they all take oxygen through their gills.
c. they all need to get food from outside source.
d. they are all able to survive in water.

C. They all need to get food from outside source.

Explanation:

All animals belong to the Kingdom Animalia. Several characteristics sets animals apart from plants and bacteria.

Animals are eukaryotes i.e they have membrane bound organelles in their cells. They are multicellular organisms with different cells organised to perform specific life functions. Group of cells that serves a specific purpose is called Tissue. Group of tissue with a specific function is an Organ. Organs that provides a specific purpose are called Systems. Most animals have levels of organisation for their multicellular body.

All animals are heterotrophs. They derieve their nutrition from other sources. Animals do not produce their own food, they depend on plants and other sources for their food. Some animals are herbivores that feeds on plants. Some are carnivores they feeds on flesh. Some can feed on both plants and animals and are called omnivores.

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