1) These animals are invertebrates with spiky skins. a) Mollusks b) Echinoderms c) Arthropods d) Cnidarians 2) These are vertebrates covered with fur, have mammary glands and are warm-blooded. a) Birds b) Fish c) Reptiles d) Mammals 3) These animals have backbone. a) Vertebrate b) Invertebrate 4) These vertebrates are covered with scales, have fins and gills and are cold-blooded. a) Birds b) Fish c) Reptiles d) Amphibians 5) Which is not an arthropod? a) Spider b) Crab c) Grasshopper d) Human

Animals

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？