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Study
BG 4 - Unit 3.2 Review
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What is a trait?
A special kind of bone
A feature passed from parent to offspring
A type of animal
A classification of animals
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Most mammals have live births.
True
False
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What do we call animals that maintain a stable body temperature through internal means?
Cold-blooded
Amphibians
Invertebrates
Warm-blooded
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Most reptiles lay __________.
eggs
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All vertebrates are warm-blooded.
False
True
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Fish are vertebrates that breathe through gills.
True
False
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What defines a vertebrate?
Being warm-blooded
Living in water
Having a backbone
Having scales
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All invertebrates are smaller than vertebrates.
False
True
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Arthropods have bodies divided into three parts.
True
False
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Unlike most invertebrates, some mollusks have __________ and __________.
hard shells and eyes
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Reptiles can be both cold-blooded and warm-blooded.
True
False
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Which of the following animals is a cold-blooded vertebrate?
Shark
Elephant
Pigeon
Dog
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Which group of invertebrates is known for having a soft body, often with a hard shell?
Worms
Sea Jellies
Arthropods
Mollusks
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___________ are animals that can live both in water and on land during different stages of their life.
Amphibians
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What is the largest group of invertebrates?
Mollusks
Arthropods
Amphibians
Reptiles
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Sea stars are considered invertebrates.
True
False
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What is the term used for animals without backbones?
Arthropods
Vertebrates
Mammals
Invertebrates
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What characteristic is common to all mammals?
They lay eggs
They have scales
They have moist skin
They have hair or fur
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Insects are vertebrates
False
True
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Which group of animals is known for having dry, scaly skin?
Reptiles
Fish
Mammals
Birds
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All birds are warm-blooded.
True
False
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Amphibians develop lungs only when they become adults.
True
False
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