Energy is defined as
A. the capacity to do work.
B. change.
C. movement.
D. heat.
Answer: A
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Found mostly in marine environments, members of the ____ flatworm lineage are free-living,and acquire food with a
muscular pharynx; most are hermaphroditic.
a. Trematoda b. Turbellaria c. Polychaeta d. Cestoda e. Hirudinea
In a blood pressure reading such as 120/80, the lower number refers to the
1.Anastolic pressure 2.Diastolic pressure 3.Sinoatrial strength 4.Systolic pressure
You disrupt all hydrogen bonds in a protein. What level of structure will be preserved?
A) primary structure B) secondary structure C) tertiary structure D) quaternary structure
Echinoderms are unique because:a
their larvae are radially symmetrical while the adult is bilaterally symmetrical. b. the adults and larva are both pentaradially symmetrical. c. the adult and larva are both radially symmetrical. d. the adult and larva are both bilaterally symmetrical. e. their larvae are bilaterally symmetrical while the adult is pentaradially symmetrical