Classification Categories
Humans have what kind of symmetry?
Bilateral.
Name 2 of the 4 classification categories.
Coelom, digestive system/gut, symmetry, and body layers.
What do all vertebrates have in common?
They all have a spine/skeleton.
What are 3 functions of the circulatory system?
Oxygen, removing waste, bring nutrients, defend against invaders, repair damage, transport heat, transport chemical messages.
Do earthworms have a coelom?
Yes.
The coelom develops from this body layer?
The mesoderm.
What is the difference between the digestive system and a gut?
One vs. two openings.
What is another name for the phylum vertebrates?
Chordates/Chordata
There are 2 types of circulatory systems, name one of them.
Do earthworms have a digestive system or a gut?
Digestive system.
Name an animal with only 2 body layers.
Jellyfish or sponges.
What kind of symmetry do starfish have.
Mammals, fish, reptiles, birds, amphibians.
Name 2 of 3 parts of the circulatory system.
The heart, blood vessels, blood.
How many aortic arches are there?
5
What is one advantage of bilateral symmetry.
Fast movement.
If you only have 2 body layers, what body layer are you missing?
The mesoderm
Name one phyla of invertebrates.
Porifera, Cnidaria, Platyhelminthes, Nematoda, Rotifera, Annelida, Mollusca, Arthropoda, Echinodermata.
How does the circulatory system repair damage?
Blood clotting.
What is the difference between the ventral and dorsal side.
Ventral: Light and rough.
Dorsal: Darker and smooth.
What are 2 advantages of having a coelom?
Allows animals to grow larger, allows organs to move, protects organs, allows organs to expand and contract.
What are the 3 body layers called?
Endoderm, ectoderm, mesoderm.
Platypus.
Where does blood pick up nutrients?
The intestines.
How do earthworms receive oxygen?
Through their skin.