What is considered the most primitive true animal?
a. Porifera
b. Cnidaria
c. Annelida
d. Mollusca
ANS: A
Sponges, in the phylum Porifera, are the most primitive. They are all suspension feeders that are found
in all latitudes. Information can be found in the section Invertebrates Are the Most Successful and
Abundant Animals
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Mountains often have rainy climates on their windward slopes and dry climates on their leeward slopes
Indicate whether the statement is true or false
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Indicate whether this statement is true or false.
A fire deliberately set close to an advancing fire to create a firebreak by using the updraft of the wildfire to draw the fire toward the main fire is called a(n) _______________
Fill in the blank with correct word.