Organisms that have no backbone, or vertebrate.
invertebrates
Most invertebrates do not fossilize because of the lack of bones or exoskeleton. Soft tissue rarely fossilizes. B for PLATO users
An organism whose tissues are completely replaced by minerals is a fossil.
Yes; he describes himself as completely a-religious.
capsized
it completely fills its container, takes the shape of its container
A monopoly
They are insects, therefore they are invertebrates.
No, completely is a adverb, a word that describes a verb, adjective, or phrase. Examples:For a verb: The store was completely overrun by bargain hunters.For an adjective: That boyfriend of hers is completelyphony.For a phrase: My teacher is completely outof her mind if she thinks we can do ten chapters for homework.
Engulfing is to sweep over something. Surround something, or completely cover it.
No, they are no invertebrates.
The adverb in the sentence is "completely," as it describes how he answered the questions.