Fish breathe using ________ while amphibians and reptiles breathe using ________.
Fill in the blank(s) with the appropriate word(s).
gills, lungs
Fish breathe using gills while amphibians and reptiles breathe using lungs.
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During the formation of a regional economic core, ancillary industries must be in place before forward linkages are created
Indicate whether this statement is true or false.
What mechanism explains evolution by discussing variations in a population that allow it to match its environment?
a. Artificial selection b. Origin of species c. Beneficial adaptations d. Natural selection
Adventitious shoots that sprout from shallow lateral roots are called ____
a. grafts b. pericyle extensions c. stem fragments d. cuttings e. suckers
Birds and reptiles save water by eliminating __________ rich wastes as uric acid crystals. Fill in the blank(s) with the appropriate word(s)