Let's think step by step! What breaks up into two lighter elements when an animal divides into two parts?
Options:
- (A) the blood cells
- (B) the heart
- (C) Energy.
- (D) the main element
- (E) heat energy
- (F) light energy
- (G) the nucleus
- (H) sensory neurons
The thinking starts now:
Fission takes place when an animal divides into two parts. If the nucleus breaks up into lighter elements, it is called fission . The nucleus breaks up into lighter elements when an animal divides into two parts. The final answer: (G).