Which of the following is a characteristic of all animals?

A) They ingest food that is digested in a central cavity.
B) Usually undergo sexual reproduction.
C) They produce an embryo that undergoes development in stages.
D) The adult form is diploid.
E) All of the answer choices describe characteristics of animals.

Ingest Food

The act of consuming food by mouth, initiating the process of digestion.

Sexual Reproduction

A biological process where two cells from different individuals unite to produce the first cell of a new organism.

Embryo Development

The process by which an embryo forms and develops, from fertilization to the fetus stage.