The most primitive multi-cellular animals produce what?
Electrical energy eggs and sperm harmful substances scarce resources Organic compounds Chemical energy fur and fat aerobic capacity
A B C D E F G H
Sponges are the most primitive multicellular animals.
The most primitive multi-cellular animals produce eggs and sperm.
The most primitive multi-cellular animals produce what? (A) Electrical energy (B) eggs and sperm (C) harmful substances (D) scarce resources (E) Organic compounds (F) Chemical energy (G) fur and fat (H) aerobic capacity