Intro to Chordates
Class Fish
Class Amphibians
Class Reptiles
Challenge
100
Stack of vertebrae and cartilage forming the backbone
Endoskeleton
100
Egg laying process in fish
Spawning
100
Amphibian means ______. Because...
Double life
They start their life in water and move to land.
100
Name 4 reptile groups.
Lizards
snakes
turtles
crocodiles/alligators
100
Fish, amphibians, and reptiles are all ____. (Change their body temperature based on their environment)
Ectotherm
200
Becomes the backbone
notochord
200
What is a school?
A large group of fish.
200
Frogs and toads have ___ on their feet.
Webbing.
200
Reptiles have ___ on their skin and ___ on their toes.
Scales
Claws
200
Fish have a ___ chambered heart while amphibians and reptiles have a __ chambered heart
Fish - 2
Amphibians/Reptiles - 3
300
Becomes gills in fish/ear tubes in humans
Pharyngeal pouches
300
A fish nest is called a ___.
Redd
300
What is another name for a tadpole?
polliwog
300
What type of egg do reptiles lay? Describe the egg.
Amniotic egg
Leathery shell with all the nutrients the egg needs. The pores allow CO2 and O2 to move through, and water to moved.
300
What is a swim bladder?
Allows fish to sink, rise or stay at certain depths in the water.
400
True or False
All chordates are vertebrates.
False
All vertebrates are chordates.
400
Name 3 adaptations for fish to be in water.
Gills
Scales
Fins
400
Salamanders lay their eggs in ____.
Frogs lay their eggs in ___.
Toads lay their eggs in ____.
Water
Cluster
String
400
Explain how a snake eats their food.
They unhinge their jaw to widen it and swallow their food whole. Then pop their jaw back in place.
400
of the 95% of bony fish, the majority are ___ fish.
Ray
500
Name 2 chordates who keep their notochord as adults.
Lancelet, Tunicate, Sea squirt.
500
Name the three classes of fish.
Jawless
Cartilaginous
Bony
500
What is a biological indicator? And why do amphibians make a great one.
Let you know if something is wrong with the environment. Amphibians are great because they give birth in water, breathe through their skin, and live a double life (start in water and move to land.)
500
Only poisonous lizard in the U.S.
Gila monster
500
What does the word anadramous mean? And give an example of an animal that goes through the process.
Born in freshwater, then move to saltwater as adults. When the time had come to spawn, the fish move back up stream to the exact spot they are born. After they lay their eggs the female usually dies.
Salmon, striped bass, eel.