When something can not produce its own heat, and unable to maintain a constant body temperature. It also has the same temperature as the air or water around it.
What is cold-booded ?
100
Animals without back bones.
What is an invertebrate?
100
All of these animals have some kind of hair or fur.
What are mammals?
100
Animals that eat meat or plants.
What are carnivores?
100
Scientists classify life-forms by putting them into groups based on this.
What are characteristics?
200
These are animals with backbones. They include mammals, such as humans, amphibians, reptiles, birds and fish.
What are vertebrates?
200
Animals supported by a skeleton on the outside of their body.
What is an exoskeleton?
200
This type of vertebrate gives birth to their young.
What are mammals?
200
Animals that eat only plants.
What are herbivores?
200
This vertebrate group includes frogs, toads, and salamanders.
What are some examples of amphibians?
300
Animals such as worms, lobsters, starfish, and houseflies.
What are some examples of invertebrates?
300
These are the two groups that belong to the invertebrates.
What are arachnids and insects?
300
Animals that search for food during the day.
What is diurnal?
300
Crocodiles, lizards, and snakes.
What are some examples of reptiles?
400
fish, amphibians, reptiles, birds and mammals.
What are the five vertebrate groups?
400
This invertebrate group include spiders, scorpoins, and ticks. They all have exoskeletons, their bodies have two sections and they have eight legs.
What are arachnids?
400
Animals that search for food at night?
What is nocturnal?
400
internal skeletons are found in all of these.
What are verterates?
500
They have internal skeletons that give them their shape and help them move.
What are verterates?
500
The ability to make their own heat.
What is warm-blooded?
500
This vertebrate group lives in water, have gills for breathing water and are cold blooded.
What are fish?
500
A stage in an animals life where they do not need to eat much food or drink much water.
What is hibernation?
500
Scientists believe birds where actually part of this much larger group.