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A. Life Cycle
• A life cycle is a behavior or stage that occurs once in a lifetime. It is repeated generation after generation.
• ALL animals have a life cycle
B. Mammals
• 1. White-tailed Deer
• Fertilized Egg Embryo Fetus Fawn Adult
• 2. Bobcat
• Fertilized Egg Embryo Fetus Kitten Adult
C. Birds
• 1. Pheasant
• Fertilized Egg Embryo Fetus Chick Adult
• Review: What are the first three stages of ANY mammal life cycle?
• Fertilized Egg and Embryo
D. What is a larva?
• A larva is an immature stage that looks different than an adult
Beetle larva
E. Amphibians
• 1. Frog
• Fertilized Egg Larva (tadpole) Adult
• Review: A larva is a(n) …– A. Immature stage that looks like an adult– B. Immature stage that looks different than an adult – C. Just plain childish and immature
• F. What is a pupa? – A dormant or resting
stage to get through winter
• G. What is a Nymph? – A stage that looks
like the adult but has no wings
Monarch Butterfly Pupa
Dragonfly Nymph –caught at Hidden Pond
H. Insects
• 1. Monarch Butterfly
• Fertilized Egg Larva Pupa Adult
• 2. Dragonfly
• Fertilized Egg Nymph Adult