Kingdom Animalia

Animals are unicellular and heterotrophic organisms.

• T

• F

Answer explanation

Animals are multicellular and heterotrophic organisms.

Animals are divided into two main groups as invertebrates and vertebrates.

• T

• F

Vertebrates do not have a backbone (vertebral column).

• T

• F

Answer explanation

Vertebrates have a backbone (vertebral column).

Invertebrates make up more than 99 percent of all animal species alive today.

• T

• F

Answer explanation

Invertebrates make up more than 95 percent of all animal species alive today.

Sponge is an example of Phylum Porifera.

• T

• F

Phylum porifera have three cell layers; ectoderm, mesoderm and endoderm.

• T

• F

Answer explanation

Phylum porifera have two cell layers only; ectoderm, mesoderm and endoderm.

Body plan of Cnidarian is with sessile polyp or motile medusa.

• T

• F

Corals and jelly fish have stinging cells.

• T

• F

Characteristics of Cnidarians include absence of gastrovascular cavity.

• T

• F

Answer explanation

Characteristics of Cnidarians include gastrovascular cavity.

Roundworm is an example of Phylum Platyhelminthes.

• T

• F

Answer explanation

Roundworm is an example of Nematoda.