Which phylum is found exclusively in marine habitats?
a. Mollusca
b. Arthropoda
c. Echinodermata
d. Annelida
ANS: C
The 6,000 species of echinoderms all live in marine habitats. They have no eyes or brains and are
radially symmetrical. Their symmetry is in a five-sectioned body plans. This phylum includes sea
stars, sea urchins, and sand dollars. Information can be found in the section Advanced Invertebrates
Have Complex Bodies and Internal Systems
You might also like to view...
Which of the following would not be an explanation for the amount of precipitation in Subarctic and Polar climates?
A) Easy proximity to unfrozen seas B) Cold air's low water vapor capacity C) Dominance by a high pressure pattern D) Isolation from frontal precipitation patterns
Features associated with ancient continental rift zones include faults, dikes, and sills. Indicate whether the statement is true or false
Oneway to study nature is to develop a(n) ____, which is an approximate physical or mathematical simulation of a system.
A. theory B. laboratory C. experimental group D. model E. law
What variables need to be considered in order to estimate how much mercury-rich seafood is safe to eat?
What will be an ideal response?