Chapter 12
Biology the Easy Way (E-Z Biology) · 12 exercises
Problem 1
A distinctive feature of the phylum Echinodermata is the (a) excretory system (c) antimeres (b) spiny skin (d) notochord
4 step solution
Problem 2
Sea stars have a functional (a) excretory system (c) water vascular system (b) respiratory system (d) head
4 step solution
Problem 2
Spines and plates made of calcium form the echinoderm .....
3 step solution
Problem 4
Water enters the sea star by way of the (a) madreporite (c) ring canals (b) stone canals (d) cardiac stomach
5 step solution
Problem 5
In the sea star a light-sensitive cyespot is located (a) near the madreporite (c) next to the ampulla (b) adjacent to the stomach (d) at the tip of each arm
5 step solution
Problem 7
The process in which embryos obtain nourishment from the yolk in the egg is described as (a) viviparous (c) amnocoete (b) ovoviviparous (d) osmosis
4 step solution
Problem 8
The dogfish is a (an) (a) amphibian (c) bony fish (b) lamprey (d) shark
4 step solution
Problem 9
Dipnoi is the class of the (a) sharks (c) lungfish (b) skates (d) cyclostomes
4 step solution
Problem 10
Teleosts are the (a) sharks (c) lamprey (b) lung fish (d) bony fish
4 step solution
Problem 11
The gill covering of the bony fish is the (a) spiral valve (c) cranium (b) operculum (d) chorion
3 step solution
Problem 20
An example of a monotreme is the ..20..
3 step solution
Problem 24
The sperm of fish are known as ..24..
4 step solution