Question

A demonstrative pronoun distinguishes its antecedent from similar things. (For example, "Let me pick out the books. I want these, not those.") When a demonstrative comes before a noun, it's sometimes called a demonstrative adjective or a demonstrative determiner ("Son, take this bat and hit that ball out of the park").​

Answer 1

Answer:

A demonstrative pronoun distinguishes its antecedent from similar things. (For example, "Let me pick out the books. I want these, not those.") When a demonstrative comes before a noun, it's sometimes called a demonstrative adjective or a demonstrative determiner ("Son, take this bat and hit that ball out of the park").

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Answer 2

Explanation:

echinoderm, any of a variety of invertebrate marine animals belonging to the phylum Echinodermata, characterized by a hard, spiny covering or skin. ... Echinoderms exhibit a variety of body plans. The starfishes are also called sea stars.