Compare Structures Across Organisms - 4th Grade Science
Card 1 of 20
What is the function of webbed feet in ducks and otters?
What is the function of webbed feet in ducks and otters?
Tap to reveal answer
Swimming more effectively. The webbing increases surface area for pushing against water.
Swimming more effectively. The webbing increases surface area for pushing against water.
← Didn't Know|Knew It →
Identify the structure that reduces water loss in many desert plants: waxy coating or soft bark?
Identify the structure that reduces water loss in many desert plants: waxy coating or soft bark?
Tap to reveal answer
Waxy coating. The waxy layer prevents water from evaporating in dry conditions.
Waxy coating. The waxy layer prevents water from evaporating in dry conditions.
← Didn't Know|Knew It →
Which structure in fish supports the same function as legs in many land animals for movement?
Which structure in fish supports the same function as legs in many land animals for movement?
Tap to reveal answer
Fins. Both structures enable locomotion in their respective environments.
Fins. Both structures enable locomotion in their respective environments.
← Didn't Know|Knew It →
What is one shared function of fur on mammals and feathers on birds?
What is one shared function of fur on mammals and feathers on birds?
Tap to reveal answer
Keeping the body warm (insulation). Both trap air to create insulating layers against cold.
Keeping the body warm (insulation). Both trap air to create insulating layers against cold.
← Didn't Know|Knew It →
Which pair shows different structures with the same function: beak and teeth, or beak and feather?
Which pair shows different structures with the same function: beak and teeth, or beak and feather?
Tap to reveal answer
Beak and teeth. Both structures break down food, though they differ in form.
Beak and teeth. Both structures break down food, though they differ in form.
← Didn't Know|Knew It →
What is the main function of a bird beak?
What is the main function of a bird beak?
Tap to reveal answer
Getting and eating food. Beaks are specialized tools for capturing and consuming prey.
Getting and eating food. Beaks are specialized tools for capturing and consuming prey.
← Didn't Know|Knew It →
Identify the structure that helps many animals blend in: camouflage coloring or loud calls?
Identify the structure that helps many animals blend in: camouflage coloring or loud calls?
Tap to reveal answer
Camouflage coloring. Matching surroundings helps animals avoid being seen by predators.
Camouflage coloring. Matching surroundings helps animals avoid being seen by predators.
← Didn't Know|Knew It →
What is the meaning of structure in an organism (in science)?
What is the meaning of structure in an organism (in science)?
Tap to reveal answer
A body part or feature of an organism. Structures are physical parts that make up living things.
A body part or feature of an organism. Structures are physical parts that make up living things.
← Didn't Know|Knew It →
What is one shared function of wings in birds, bats, and insects?
What is one shared function of wings in birds, bats, and insects?
Tap to reveal answer
Movement through the air (flight). Wings enable flight in different animal groups despite structural differences.
Movement through the air (flight). Wings enable flight in different animal groups despite structural differences.
← Didn't Know|Knew It →
Which structure in fish supports the same function as lungs in humans for getting oxygen?
Which structure in fish supports the same function as lungs in humans for getting oxygen?
Tap to reveal answer
Gills. Both extract oxygen from their environment for respiration.
Gills. Both extract oxygen from their environment for respiration.
← Didn't Know|Knew It →
Which term means a structure helps an organism survive in its environment: adaptation or habitat?
Which term means a structure helps an organism survive in its environment: adaptation or habitat?
Tap to reveal answer
Adaptation. Adaptations are features that help organisms survive in their environment.
Adaptation. Adaptations are features that help organisms survive in their environment.
← Didn't Know|Knew It →
Which pair shows different structures used for protection in animals?
Which pair shows different structures used for protection in animals?
Tap to reveal answer
Turtle shell and porcupine quills. Both defend against predators using different methods.
Turtle shell and porcupine quills. Both defend against predators using different methods.
← Didn't Know|Knew It →
What is the main function of plant roots?
What is the main function of plant roots?
Tap to reveal answer
Absorb water and minerals; anchor the plant. Roots perform dual roles for plant survival.
Absorb water and minerals; anchor the plant. Roots perform dual roles for plant survival.
← Didn't Know|Knew It →
Which pair shows different structures that perform the same function: getting oxygen?
Which pair shows different structures that perform the same function: getting oxygen?
Tap to reveal answer
Fish gills and human lungs. Both extract oxygen but from different environments.
Fish gills and human lungs. Both extract oxygen but from different environments.
← Didn't Know|Knew It →
Which statement best describes the structure–function relationship in living things?
Which statement best describes the structure–function relationship in living things?
Tap to reveal answer
A structure’s shape and parts help it perform its function. Form determines function in biological systems.
A structure’s shape and parts help it perform its function. Form determines function in biological systems.
← Didn't Know|Knew It →
What is the term for the job a structure does for an organism (such as getting oxygen or moving)?
What is the term for the job a structure does for an organism (such as getting oxygen or moving)?
Tap to reveal answer
Function. The specific job or role a body part performs.
Function. The specific job or role a body part performs.
← Didn't Know|Knew It →
What is the term for a body part or feature that helps an organism do a job (such as breathing or moving)?
What is the term for a body part or feature that helps an organism do a job (such as breathing or moving)?
Tap to reveal answer
Structure. Body parts that perform specific jobs for survival.
Structure. Body parts that perform specific jobs for survival.
← Didn't Know|Knew It →
What is the main function of a plant stem?
What is the main function of a plant stem?
Tap to reveal answer
Support the plant and transport water and food. Stems provide structure and vascular transport.
Support the plant and transport water and food. Stems provide structure and vascular transport.
← Didn't Know|Knew It →
Identify the shared function of sharp claws (cat) and sticky toe pads (gecko).
Identify the shared function of sharp claws (cat) and sticky toe pads (gecko).
Tap to reveal answer
Gripping and climbing surfaces. Different structures achieve the same climbing ability.
Gripping and climbing surfaces. Different structures achieve the same climbing ability.
← Didn't Know|Knew It →
What is the main function of a turtle’s shell?
What is the main function of a turtle’s shell?
Tap to reveal answer
Protection from predators and injury. Hard covering shields soft body from harm.
Protection from predators and injury. Hard covering shields soft body from harm.
← Didn't Know|Knew It →