Vertebrates & Invertebrates Flashcards
What are vertebrates?
Animals that have a backbone.
List the five main groups of vertebrates.
- Mammals
- Birds
- Reptiles
- Amphibians
- Fish
What are the characteristics of mammals?
- Feed their babies with milk from the mother
- Warm-blooded
- Have hair or fur on their bodies
What are placental mammals?
Mammals that develop inside the mother’s womb and are born fully formed.
Give examples of placental mammals.
- Humans
- Dogs
- Whales
What are marsupial mammals?
Mammals that are born at an early stage and continue developing in the mother’s pouch.
Give examples of marsupial mammals.
- Kangaroos
- Koalas
- Opossums
What are monotremes?
Mammals that lay eggs.
Give examples of monotremes.
- Platypus
- Echidna
What are the characteristics of birds?
- Have feathers covering their bodies
- Have beaks, two wings, and two legs
- Lay eggs with hard shells
Give examples of birds.
- Eagles
- Chickens
- Parrots
What are the characteristics of reptiles?
- Covered with dry scales or plates
- Cold-blooded
- Most lay eggs, but some give birth to live young
Give examples of reptiles.
- Snakes
- Lizards
- Crocodiles
What are the characteristics of amphibians?
- Can live in both water and land
- Have moist, smooth skin
- Lay eggs in water
- Cold-blooded
Give examples of amphibians.
- Frogs
- Salamanders
- Toads
What are the characteristics of fish?
- Live in water
- Have scales covering their bodies
- Use gills to breathe underwater
- Cold-blooded
Give examples of fish.
- Sharks
- Goldfish
- Tuna
What are invertebrates?
Animals that do not have a backbone.
What is the largest group of invertebrates?
Arthropods.
What are the characteristics of arthropods?
- Have jointed legs
- Have a hard outer shell (exoskeleton)
List the types of arthropods.
- Arachnids
- Centipedes & Millipedes
- Crustaceans
- Insects
What are arachnids?
Arthropods that have four pairs of legs and two body parts.
Give examples of arachnids.
- Spiders
- Scorpions
- Ticks
What are centipedes?
Arthropods with long, segmented bodies with one pair of legs per segment.