Biodiversity AC1 - Vertebrates Flashcards
What are the five main groups of vertebrates?
- Fish
- Amphibians
- Reptiles
- Birds
- Mammals
Are fish warm-blooded or cold-blooded?
cold-blooded and live in aquatic ecosystems
Where do fish live?
- freshwater
- seawater
- some can survive in both
How do fish breathe underwater?
- fish have gills
that extract oxygen from water
What are the three main body parts of a fish?
- Head
- Trunk
- Tail
What body parts help fish move?
Fins help fish move through water efficiently.
Why do fish have scales?
- reduce resistance in water
- help fish swim smoothly
How do most fish reproduce?
by laying eggs
Name a unique type of fish.
Mudskipper Fish
* can move on land and in water
Are amphibians warm-blooded or cold-blooded?
cold-blooded.
Where do amphibians live?
- on land and in water
- damp ecosystems like wetlands and swamps
What are the main body parts of an amphibian?
- head
- trunk
NO tail in adults
Why do amphibians need moist skin?
Their slimy skin helps
* keep them moist
* aids in breathing
What helps amphibians swim?
Their webbed feet
What helps amphibians move on land?
muscular back legs
How do frogs start their life cycle?
Frogs start as tadpoles in water
What is metamorphosis?
process where an organism completely changes form during its life cycle
How do frogs develop from tadpoles to adults?
Tadpoles go through metamorphosis, developing lungs so they can live on land.
Are reptiles warm-blooded or cold-blooded?
cold-blooded.
Where do most reptiles live?
- are terrestrial (live on land)
- except crocodiles - live in water
What body shape do reptiles have?
- long
- flat
allow for quick movement
How do reptiles warm up their bodies?
spread their bodies out to absorb heat from the sun.
What are the three main body parts of a reptile?
- Head
- trunk
- tail
- all covered with scales
How do reptiles breathe?
use lungs