4055461
Descrição
FlashCards por Whitney Elizabet, atualizado more than 1 year ago
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Criado por Whitney Elizabet
quase 11 anos atrás
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| Questão | Responda |
| What are birds beaks made out of? | Keratin |
| Do birds have teeth? | No |
| How many species of birds are there? | 5,416 |
| Are birds vertebrates? | Yes |
| How many species of Insects are there? | 950,000 |
| Insects have what on top of their heads? | Antennas |
| Insects have 1 or two pairs of what? | Wings |
| Do all mammals give live birth? | No |
| Which group gives milk to its young? | Mammals |
| What do frogs go through to grow older? | Metamorphosis |
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