Which of the following statements is true? there are more species of vertebrates than invertebrates the largest phylum in the animalia kingdom is arthropoda sponges are not truly animals because they have cell walls, all animals in the chordata phylum are vertebrates

The true statement is that the largest phylum in the Animalia kingdom is Arthropoda.

The correct option is B.

Arthropods are a member of the phylum Arthropoda.

They mainly contain insects, crustaceans, arachnids.

The main characteristics of arthropods are jointed legs, bilateral symmetry, and segmented body.

Thus, the correct statement is option B, The largest phylum in the Animalia kingdom is Arthropoda.

Learn more about arthropods, here:

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The largest phylum in Animalia is Arthropoda.

Explanation: the first is wrong because there’s over 1,000,000 discovered species of invertebrates and less than 70,000 describes species of vertebrates

The third is wrong because sponges are animals albeit basal and they don’t have cell wall

The fourth is wrong because there are two subphyla in chordata that aren’t vertebrates: Cephalochordata and Urochordata

answer; ///(b) it is composed of four protein chains and four heme groups;