Weegy: Homeostasis is the property of a system in which variables are regulated so that internal conditions remain stable and relatively constant.
User: A scientist is studying an organism and has classified it as an animal.
Which statement must be true about the organism?
It is multicellular.
It displays radial symmetry.
It has a backbone.
It contains cells without nuclei.
Weegy: A scientist is studying an organism and has classified it as an animal. It is multicellular must be true about the organism.
User: Which term represents animals with backbones?
invertebrates
heterotrophs
autotrophs
vertebrates
Weegy: The term for animals with backbones is vertebrates.
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