Mammals
A characteristic unique to mammals
Milk, hair/fur, endothermy, large brain
Name one adaptation for flight
What organ do fish use for buoyancy?
Swim bladder
What reptile has the most freemoving jaws?
snakes
Outer shell of arthropods
Exoskeleton
What kingdom are we in?
Deuterostomia
Do birds have a tailbone?
No, replaced with the pygostyle
Do all fish have jaws?
No, hagfish and lampreys do not have jaws
What group of animals are crocodiles closely related to?
Birds
What is another insect in the same class (arachnida) as a spider?
Ticks or scorpions
What structure does a bats wing resemble?
Human hand
What organ is reduced to allow for flight?
Bladder
What important organ do jellyfish lack?
A brain
What group of animals did amphibians descend from?
Fishapods, will also accept lungfish
What type of eye is common in insects?
Compound
Sugar gliders and flying squirrels evolved the same adaptation despite not being related. What is this called?
Convergent evolution
Did birds descend from pterosaurs?
No, ancestors were small feathered dinosaurs
What is the type of scale that sharks have?
Placoid
Is a turtle a synapsid, diapsid, or anapsid?
Anapsid
What adaptation allowed for insects immense success?
Flight
What animal lacks a placenta?
Monotremes (the platypus and echidna)
What is the actual name of the wishbone?
The furcula
What adaptation in the eyes makes squid an effective predator?
No blind spots
How many chambers does an amphibians heart have?
3
This insect can survive in space. Whats it called?
The tardigrade