Higher Animals Flashcards
What Class is this?
Crinoidea
What Phylum is this?
Echinodermata
What Class is this?
Ophiuroidea
What Phylum is this?
Echinodermata
What Phylum is this?
Echinodermata
What Class is this?
Echinoidea
The outer “shell” of these organisms is known as a:
Test
What Class is this?
Echinoidea
What Phylum is this?
Echinodermata
The outer “shell” of this organism is called a:
Test
What Class is this?
Echinoidea
What Phylum is this?
Echinodermata
What Class is this?
Holothuroidea
What Phylum is this?
Echinodermata
Is this oral or aboral side up?
oral
What Class is this?
Asteroidea
What Phylum is this?
Echinodermata
Be able to identify the following:
Digestive gland (pyloric cecum), stomach, gonad, ambulacral ridge
This image shows a commercially prepared starfish dissection mount with a portion of the aboral surface of one arm, or ray, (1) removed. The dissection mount shows the central stomach (2) and large pyloric cecum (3) that occupies most of the space within each arm as well as the smaller gonads (4). Also seen on the image is the ambulacral ridge (5) that is made up of a series of bony ossicles.
Be able to identify the following parts of the water vascular system:
Radial Canal/Ambulacral ridge
Ring canal
What Subphylum is this?
Urochordata
What Phylum is this?
Chordata