Unit 3 - Lesson 4 Flashcards
1
Q
Sexual reproduction
A
Sperm from a male joins an egg from a female. The fertilized egg develops into a new animal
Newborn ➡️ Youth ➡️ Adult
2
Q
Some animals hatch out of eggs
A
Birds 🦅
Fish 🐟
Reptiles 🦎
Spiders 🕷
3
Q
Some animals give birth to live young and feed them milk
A
Mammals such as:
Dogs 🐕
Horses 🐎
Mice 🐁
4
Q
Humans - After a human egg is fertilized it grows inside its mother for 9 months
After 9 months, the baby is born
A
Baby ➡️Toddler ➡️Child ➡️Teenager➡️ Adult➡️ Older adult
5
Q
Complete Metamorphosis
A
4 stages in the life cycle
Egg ➡️Larva➡️ Pupa ➡️Adult
Butterflies 🦋
Moths
6
Q
Incomplete Metamorphosis
A
3 stages in the life cycle
Egg 🥚 ➡️Nymph (no wings and molts) ➡️ Adult (has wings)
Grasshopper
Dragonfly
Termites
7
Q
Endangered animal
A
There are not many of them left
