Some of the members of the protist kingdom have to take in food from their environment in order to survive as members of the animal kingdom. why are these organisms classified as protists and not as animals? they are unicellular and the members of the animal kingdom are all multicellular. they do not produce live young as the rest of the members of the animal kingdom do. they lack hair or fur and therefore cannot be classed as members of the animal kingdom. they are ectothermic while the members of the animal kingdom are all endothermic.

They are unicellular and the members of the animal kingdom are all multicellular.

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answer: tributaries flow into rivers.

wetland is a biome that develops when the water gets accumulated in a land exhibiting a huge depression. these form either seasonally or permanently. the water in the wetland comes from rivers, lakes, ocean, flood, rain or other sources. the wetlands includes mangroves, marshes and peatland.

tributaries flow into the rivers develops a wetland because such water will get deposited in the depression and will restrict the original flow of tributary water. hence, water with low drainage current combines with the river water.