What are invertebrates/vertebrates?
Animals which don’t have/have a backbone
Invertebrates without legs, without segmented body
Sponge, sea anemone, coral, planaria, snail
Invertebrates without legs, with segmented body
Tapeworm, earthworm, leech
Invertebrates with legs (just 3 pairs)
Ant, butterfly, cockroach
Invertebrates with legs (more than 3 pairs)
Spider, scorpion, horseshoe crab, prawn, centipede
List out vertebrates (5 types)
Fish, mammals, birds, amphibians, reptiles
Characteristics of fish (4)
- Poikilothermic
- Covered in scales
- Breathes thru gills
- External fertilization
Examples of fish
clownfish, grouper, eel
Characteristics of amphibians (5)
- Poikilothermic
- Can live on land and water
- When young, breathe through the gills
- When adult, breathe through lungs and skin
- External fertilization
Examples of amphibians
Toad, frog, salamander
Characteristics of reptiles (3)
- Poikilothermic
- Breathe thru lungs
- Internal fertilization
Examples of reptiles
Crocodiles, iguana, snake, turtle
Characteristics of birds (3)
- Homeothermic*
- Breathe through lungs
- Internal fertilization
Examples of birds
Kingfisher, owl, duck
Characteristics of mammals (4)
- Homeothermic
- Breathe thru lungs
- Internal fertilization
- Give birth to young
Examples of mammals
Giraffe, elephant, bat, lion
Definition of homeothermic
an animal that maintains a stable internal body temperature regardless of external influence
synonym: warm-blooded
Definition of poikilothermic
an animal whose internal temperature varies considerably based on environment
Examples of non-flowering plants
Moss, conifer, fern
Which of the following is an endangered species in Malaysia?
Tapir
Malaysia is a country which has ………………………. climate.
equatorial
