All flashcards
Flashcard 1: What is the function of webbed feet in ducks and otters?
Answer: Swimming more effectively. The webbing increases surface area for pushing against water.
Flashcard 2: Identify the structure that reduces water loss in many desert plants: waxy coating or soft bark?
Answer: Waxy coating. The waxy layer prevents water from evaporating in dry conditions.
Flashcard 3: Which structure in fish supports the same function as legs in many land animals for movement?
Answer: Fins. Both structures enable locomotion in their respective environments.
Flashcard 4: What is one shared function of fur on mammals and feathers on birds?
Answer: Keeping the body warm (insulation). Both trap air to create insulating layers against cold.
Flashcard 5: Which pair shows different structures with the same function: beak and teeth, or beak and feather?
Answer: Beak and teeth. Both structures break down food, though they differ in form.
Flashcard 6: What is the main function of a bird beak?
Answer: Getting and eating food. Beaks are specialized tools for capturing and consuming prey.
Flashcard 7: Identify the structure that helps many animals blend in: camouflage coloring or loud calls?
Answer: Camouflage coloring. Matching surroundings helps animals avoid being seen by predators.
Flashcard 8: What is the meaning of structure in an organism (in science)?
Answer: A body part or feature of an organism. Structures are physical parts that make up living things.
Flashcard 9: What is one shared function of wings in birds, bats, and insects?
Answer: Movement through the air (flight). Wings enable flight in different animal groups despite structural differences.
Flashcard 10: Which structure in fish supports the same function as lungs in humans for getting oxygen?
Answer: Gills. Both extract oxygen from their environment for respiration.
Flashcard 11: Which term means a structure helps an organism survive in its environment: adaptation or habitat?
Answer: Adaptation. Adaptations are features that help organisms survive in their environment.
Flashcard 12: Which pair shows different structures used for protection in animals?
Answer: Turtle shell and porcupine quills. Both defend against predators using different methods.
Flashcard 13: What is the main function of plant roots?
Answer: Absorb water and minerals; anchor the plant. Roots perform dual roles for plant survival.
Flashcard 14: Which pair shows different structures that perform the same function: getting oxygen?
Answer: Fish gills and human lungs. Both extract oxygen but from different environments.
Flashcard 15: Which statement best describes the structure–function relationship in living things?
Answer: A structure’s shape and parts help it perform its function. Form determines function in biological systems.
Flashcard 16: What is the term for the job a structure does for an organism (such as getting oxygen or moving)?
Answer: Function. The specific job or role a body part performs.
Flashcard 17: What is the term for a body part or feature that helps an organism do a job (such as breathing or moving)?
Answer: Structure. Body parts that perform specific jobs for survival.
Flashcard 18: What is the main function of a plant stem?
Answer: Support the plant and transport water and food. Stems provide structure and vascular transport.
Flashcard 19: Identify the shared function of sharp claws (cat) and sticky toe pads (gecko).
Answer: Gripping and climbing surfaces. Different structures achieve the same climbing ability.
Flashcard 20: What is the main function of a turtle’s shell?
Answer: Protection from predators and injury. Hard covering shields soft body from harm.
Flashcard 21: What is the main function of a cactus’s spines?
Answer: Protection and reduced water loss. Modified leaves deter herbivores and conserve moisture.
Flashcard 22: Which structures help animals stay warm by trapping air close to the body?
Answer: Fur or feathers. Create insulating air pockets for temperature regulation.
Flashcard 23: Identify the shared function of webbed duck feet and a fish tail fin.
Answer: Swimming (moving through water). Both structures propel organisms through water efficiently.
Flashcard 24: Which structure helps a bird pick up and eat food without hands?
Answer: Beak. Replaces hands for grasping and manipulating food.
Flashcard 25: Which pair shows different structures that help organisms get food from flowers?
Answer: Bee proboscis and hummingbird beak. Both reach nectar despite different body designs.
Flashcard 26: Choose the correct match: structure → function for a polar bear’s thick fat layer (blubber).
Answer: Blubber → insulation (keeps body warm). Fat layer provides thermal insulation in cold climates.
Flashcard 27: Identify the best example of different structures with the same function: movement on land.
Answer: Horse hooves and human feet. Both support body weight during terrestrial locomotion.
Flashcard 28: Which structure in plants has the main function of carrying water to leaves?
Answer: Stem (including tubes that transport water). Xylem tubes transport water upward through the plant.
Flashcard 29: Choose the best example of different structures with the same function: breathing.
Answer: Gills (fish) and lungs (humans). Different structures adapted for oxygen extraction.
Flashcard 30: Choose the best example of different structures with the same function: protection.
Answer: Turtle shell and porcupine quills. Different defensive structures serve the same purpose.