All flashcards
Flashcard 1: Which external part of a porcupine helps protect it from predators?
Answer: Quills. Sharp quills stick into attackers when touched.
Flashcard 2: Which external part of many animals protects their bodies and helps prevent drying out?
Answer: Skin. Skin forms a barrier against water loss and injury.
Flashcard 3: Identify the best external part to match this need: a turtle must stay safe from predators.
Answer: Shell. Hard shells provide protection from predator attacks.
Flashcard 4: Identify the best external part to match this need: a bird must fly to reach food.
Answer: Wings. Wings enable flight to reach food in high places.
Flashcard 5: Which external part of a duck helps it swim efficiently in water?
Answer: Webbed feet. Webbing between toes acts like paddles in water.
Flashcard 6: Which external part of a snake helps it move on the ground?
Answer: Scales. Overlapping scales grip surfaces for movement.
Flashcard 7: Which external part of a turtle helps protect it from predators?
Answer: Shell. Hard shells act as armor against attacks.
Flashcard 8: Which external part of a polar bear helps it stay warm in a cold habitat?
Answer: Thick fur. Thick fur traps warm air close to the body.
Flashcard 9: Which external part of many mammals helps them walk, run, and move to find food?
Answer: Legs. Legs support body weight and enable movement to find resources.
Flashcard 10: Which external part of most birds helps them fly and get away from danger?
Answer: Wings. Wings create lift by pushing air down.
Flashcard 11: Which external part of a fish helps it move forward and steer?
Answer: Tail fin. The tail fin pushes water backward to move the fish forward.
Flashcard 12: Which external part of a dog helps it run and also dig in the ground?
Answer: Paws. Paws have pads for traction and claws for digging.
Flashcard 13: Which external part of a fish helps it swim through water?
Answer: Fins. Fins push against water to create movement.
Flashcard 14: Which external part of a bird is used to pick up food and help it eat?
Answer: Beak. Beaks are hard, pointed mouths that help birds grab and break food.
Flashcard 15: Which external part of many animals is mainly used to eat and drink?
Answer: Mouth. Mouths take in food and water needed for survival.
Flashcard 16: Which external part should you choose to explain how a rabbit stays warm?
Answer: Fur. Thick fur traps warm air close to the rabbit's body.
Flashcard 17: Which external part should you choose to explain how a bird picks up and eats seeds?
Answer: Beak. The hard beak shape helps crack and hold seeds.
Flashcard 18: What is the main need that a stem helps a plant meet?
Answer: Supporting the plant and moving water to leaves. Stems are like straws that transport water upward.
Flashcard 19: What is the main need that roots help a plant meet?
Answer: Getting water and holding the plant in the ground. Roots absorb water and anchor plants in soil.
Flashcard 20: What is the main need that fruit helps a plant meet?
Answer: Protecting seeds and helping spread them. Fruit develops from flowers to protect and disperse seeds.
Flashcard 21: What is the main need that bark helps a tree meet?
Answer: Protecting the tree from harm and drying out. Bark is like skin that shields the tree trunk.
Flashcard 22: What is the main need that thorns help a plant meet?
Answer: Protection from animals that might eat it. Sharp thorns discourage animals from eating the plant.
Flashcard 23: Which external part should you choose to explain how a tree gets water from the soil?
Answer: Roots. Root hairs absorb water from surrounding soil.
Flashcard 24: What is the main need that a bird beak helps the bird meet?
Answer: Getting and eating food. Different beak shapes help birds eat different foods.
Flashcard 25: What is the main need that wings help a bird meet?
Answer: Moving by flying to find food and stay safe. Wings provide lift for flight and escape from danger.
Flashcard 26: What is the main need that a fish fin helps the fish meet?
Answer: Swimming and steering in water. Fins act like paddles and rudders in water.
Flashcard 27: What is the main need that a turtle shell helps the turtle meet?
Answer: Protection from predators and injury. The hard shell acts like armor when turtle pulls inside.
Flashcard 28: What is the main need that claws help many animals meet?
Answer: Catching food, climbing, or digging. Sharp claws grip, tear, and dig for various needs.
Flashcard 29: Which external part should you choose to explain how a fish moves through water?
Answer: Fins. Fish push water with fins to propel forward.
Flashcard 30: Which external part best helps a bird fly: wings, gills, or roots?
Answer: Wings. Wings provide lift and thrust needed for flight.