Vertebrates and Invertebrates
When the outside temperature drops, the body temperature of an ectothermic animal, like a reptile _________________.
Decreases
Which group of animals is ectothermic, breathe with lungs and have scales or plates covering their bodies
Reptiles
Which group of invertebrates have a true nervous system, blood contained in vessels, and a long digestive tube?
Segmented Worms
Which statement best explains the way that segmented worms are more complex than sponges?
Segmented worms have organ systems
Which type of invertebrate is the simplest or least complex?
Sponge
What is an exoskeleton?
A hard outer covering that protects an animal and keeps in moisture
Why is water so important to a sponge?
A sponge filters food and oxygen by moving water through its body
Which statement is true?
All birds are endotherms
Which statement is true for all invertebrates?
All invertebrates do not have a backbone
All animals are heterotrophs, what does this mean?
Animals cannot make their own food
How do echinoderms and segmented worms differ in the way they get oxygen?
Echinoderms get oxygen from water through their skin Echinoderms get oxygen from water using their tube and segmented worms get oxygen from water trough their skin.
Which statement explains why a fish is classified as a vertebrate instead of an invertebrate?
Fish have a backbone
Some arthropods get oxygen through gills while others __________.
Get oxygen through air tubes called spiracles
Which is an example of a reptile?
Lizard
Which group of vertebrates has hair or fur, mammary glands, produce milk, and is endothermic?
Mammals
Which animal stays in one place after it is an adult?
Basket Sponge
Which of the following vertebrates are endothermic?
Birds and Mammals
Adult amphibians ________________.
Breathe with lungs
Tropical fish kept as pets need an aquarium with a heater ___________.
They are ectothermic