Which piece of evidence would best support the theory of continental drift?
A. Fossils of seed ferns can only be found on North America and Europe but nowhere else in the world.
B. Australia, South America, and Africa all share a similar mammalian fauna due to the lineage being present on Gondwana.
C. The reptilian diversity on Earth is very different due to the separation of the continents billions of years ago.
D. All of the choices are correct.
Answer: B
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Nicotine and morphine are classified as
a. alkaloids. b. cyanogens. c. plant pigments. d. terpenoids
Applied researchers conduct their work to ____
a. answer all questions b. prove hypotheses c. solve any problem they face d. solve specific practical problems e. advance our collective knowledge of living systems
Which muscle is the largest back muscle?
a. serratus anterior b. external oblique c. rectus abdominis d. latissimus dorsi e. trapezius
List the four primary tissue types found in the human body and indicate their main function(s).
What will be an ideal response?