Animal
Vertebrate
Animal with backbone
Fish
Characteristics
- Scaly skin
- Gills
- Fin
Reproduction
Lay egg without shell in Water
Amphibian
Characteristics
- Non-scaly skin
- Gills -> Lung : metamorphosis
Reproduction
Lay egg without shell in water.
To lay egg in water, amphibian returns to the water.
Reptile
Characteristics
- Scaly skin
- Lung
Reproduction
Lay egg with soft shell in land.
Because of shell, egg is water proof.
Bird
Characteristics
- Feather
- Lung
Reproduction
Lay egg with hard shell in land.
Mammal
Characteristics
- skin with hair
- Lung
- have placenta / Uterus
Reproduction
Give a birth.#ch15
Arthropod
Animal which is exoskeleton and has paired legs
Insect
Characteristics
- 3 pairs leg
- Trachea
- 2 pairs wing
- 1 pair antennae
- 3 part (Head, Thorax, Abdomen)
Crustacean
Characteristics
- more than 4 pairs leg
- 2 pairs antennae
Arachnid
Characteristics
- 4 pairs leg
- no antennae
- 2 part (Cephalothorax, Abdomen)
Myriapods
Characteristics
- many similar segment
- Each part contains leg
- 1 pair antenne
Plant
Fern
plant that doesn’t produce flower
Characteristics
- No flower
- contain roots, stem, leaves
Reproduce
spread spore
Flowering plant
plant that produce flower
Characteristics
- Flower
- Contain roots, stem, leaves, flower
Reproduce
spread male gametes to fertilization
more in#ch14
2 Types
Dicotyledon
Two cotyledons in seed
Characteristics
- Main root + smaller one
- Network of vein
- petal number : multiple of 4 / 5
Monocotyledon
One cotyledon in seed
Characteristics
- Branching root
- Parallel vein
- petal number : multiple of 3