Notes

Animal life cycles 32 p. : col. ill., map What's in a life cycle? -- How long does a life cycle last? -- How many animals lay eggs? -- Do all animals take care of their eggs? -- Which animals give birth? -- Do all offspring need their parents? -- Why do some animals change as they grow? -- Do all insects metamorphose? -- Why do animals migrate? -- How does a new life begin? -- How do animals find mates? -- How do animals die? -- What happens to an animal after it dies?