Animal Structures
Grade 4 Science · Iowa, USA
Learn how animal body parts help them survive.
Lessons
External Structures
External structures are body parts on the outside of an animal, like wings, claws, and shells. They help animals survive in their environment.
Internal Structures
Internal structures are inside the body, like bones, a heart, and lungs. They keep the animal alive and working properly.
Animal Senses
Animals use their senses to gather information about the world around them. Some animals have senses that are much stronger than ours.
Animal Communication
Animals communicate with each other using sounds, body movements, colors, and even smells.
Adaptations for Survival
An adaptation is a special feature or behavior that helps an animal survive in its environment. Adaptations develop over many generations.
People Also Ask
What topics are in Animal Structures for Grade 4 Science?+
The Animal Structures chapter covers multiple lessons aligned to the Iowa curriculum. Browse all lessons below to see the full topic list.
Is Animal Structures part of the Iowa curriculum?+
Yes, Animal Structures is part of the official Grade 4 Science curriculum in Iowa, USA.