Classifications
Name the class of a sea star
Asteroidea
The dorsal or top of a starfish is called the
Aboral Surface
What is the function of the madreporite?
Intake point of water for the water vascular system
This phylum had no true tissues
Porifera
What breathing organ do humans and grasshoppers have in common?
Trachea
Name the class of a Sea Urchin
Echinoidea
The ventral or bottom surface of a starfish is called the
Oral Surface
In general, the adult Echinoderms have this type of symmetry
Pentaradial
Name an example of an oligochaete
Earthworm
Where are the maxillary palps located?
Near a grasshoppers mouth
Name the class of a Brittle Star
Ophiuroidea
This is the stomach closest to the oral surface of the sea star
Cardiac Stomach
A new individual can be regenerated if the broken piece has
Part of the central disk
These are the stinging cells in jellyfish
Cnidocytes
What does alternation of generations refer to? And give an example of an organism that we see this in.
Jellyfish
Name the class of a Sea Cucumber
Holothuroidea
These calcium carbonate plates make up the skeleton of echinoderms
Ossicles
The brittle stars are ________ when it comes to reproduction.
Dioecious
This phylum has the most species and largest population of any other phylum
Arthropoda
Two populations of flies that reproduce at different times could result in this.
Speciation
Name the Class of a Feather Star
Crinoidea
Respiratory trees are unique to this class
Holothuroidea
The sea Urchins and sand dollars have a unique chewing apparatus called
Aristotle’s lantern
These have two layers of tissues
Diploblasts
What is punctuated equilibrium?
An evolutionary concept that suggests that evolution can happen quickly but in short bursts.