Penguins
Science Adaptations
Penguins
A case study on penguin adaptations.
Penguins show useful structural and behavioural adaptations for living, feeding and moving in cold aquatic environments.
Structural adaptations
- Streamlined body: helps reduce water resistance while swimming.
- Flippers: help the penguin swim strongly underwater.
- Thick layer of fat: helps reduce heat loss.
- Waterproof feathers: help keep the body dry and warm.
- Webbed feet: help with swimming and movement.
Behavioural adaptations
- Huddling: helps reduce heat loss in cold conditions.
- Diving for food: allows penguins to catch prey underwater.
- Parental care: helps chicks survive.
Personal add-on: penguin teeth
Penguins do not have teeth like humans or mammals. What look like teeth are backward-pointing structures inside the mouth and on the tongue. These help grip slippery prey such as fish, squid or krill and make it harder for the prey to slip out.
Student Note
“They are not real teeth. They are grip structures that help penguins hold slippery prey.”
Student reminder
Student Note
“Name the adaptation, then explain the survival advantage.”
“Body features and behaviours work together for survival.”