1) Their body temperature varies with the environment. a) Cold-blooded b) Warm-blooded 2) They have a constant body temperature. a) Cold-blooded b) Warm-blooded 3) Cold-blooded vertebrates. a) Mammals, birds, reptiles b) Amphibians, fish, reptiles c) Fish, amphibians, birds d) Mammals, birds e) Birds, fish f) Reptiles, mammals 4) Warm-blooded vertebrates. a) Mammals, birds, reptiles b) Amphibians, fish, reptiles c) Fish, amphibians, birds d) Mammals, birds e) Birds, fish f) Reptiles, mammals 5) Mammals are… a) Oviparous b) Viviparous 6) Reptiles are… a) Oviparous b) Viviparous 7) Amphibians are… a) Oviparous b) Viviparous 8) Fish are… a) Oviparous b) Viviparous 9) Birds are… a) Oviparous b) Viviparous 10) They breathe underwater through gills. a) Mammals b) Birds c) Fish d) Amphibians e) Reptiles 11) They have got scales, fins and tail. a) Mammals b) Birds c) Fish d) Amphibians e) Reptiles 12) They have got scales and some have got a hard shell. a) Mammals b) Birds c) Fish d) Amphibians e) Reptiles 13) They have got thin, moist skin that absorbs oxygen. a) Mammals b) Birds c) Fish d) Amphibians e) Reptiles 14) They can have arms, legs, hands, fins or wings. a) Mammals b) Birds c) Fish d) Amphibians e) Reptiles 15) They have got feathers, wings and a beak. a) Mammals b) Birds c) Fish d) Amphibians e) Reptiles 16) Invertebrates; cnidarians. a) b) c) d) e) 17) Invertebrates; worms a) b) c) d) e) 18) Invertebrates; echinoderms a) b) c) d) e) 19) Invertebrates; molluscs a) b) c) d) e) 20) Invertebrates; arthropods a) b) c) d) e) 21) Living organisms use food, water and oxygen to survive. a) Nutrition b) Interaction c) Reproduction 22) Living organisms interact with their environment using their sense organs. a) Nutrition b) Interaction c) Reproduction 23) A male and a female sex cell combine to create a new offspring. a) Nutrition b) Interaction c) Reproduction 24) Sense organs, nervous system and locomotor system are part of… a) Nutrition b) Interaction c) Reproduction 25) Animals that eat other animals. a) Carnivores b) Herbivores c) Omnivores d) Scavengers 26) Animals that eat other animals and plants. a) Carnivores b) Herbivores c) Omnivores d) Scavengers 27) Animals that eat plants. a) Carnivores b) Herbivores c) Omnivores d) Scavengers 28) Animals that eat the bodies of dead animals. a) Carnivores b) Herbivores c) Omnivores d) Scavengers 29) Parts of the nervous system. a) Brain, spinal cord and nerves b) Muscles, bones and joints. 30) Parts of the locomotor system. a) Brain, spinal cord and nerves b) Muscles, bones and joints.

Science 4º U2

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