One day while walking in the park, you observe a squirrelmunching on an acorn,
when suddenly a hawk comes and grabs and eats the squirrel. What isthe squirrel in
this situation?
A. Predator
B. Primary consumer
C. Prey
D. Secondary consumer
E. Both B and C
F. Both A and D
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You have formulated a hypothesis: \"Pineapples contain more vitaminC than
oranges.\" To test this hypothesis you measure vitamin C levels in20 oranges and 20
pineapples from trees that were grown in the same orchard under thesame
environmental conditions (temperature, rain, sunlight). Select allstatements that are
true about this experiment.
a The independent variable is the type of fruit
b The dependent variable is the number of each fruit
c The dependent variable is the orchard
d The independent variable is the vitamin C levels
e The temperature is a controlled variable
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A man carries the mutation for colorblindness on his Xchromosome. Who will he
pass this mutation on to?
a Half of his sons
b All of his daughters
c All of his sons
d Half of his daughters
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In the scientific method, a hypothesis ______ .
a. is a proposed explanation based on observations
b. should be broad and non-specific
c. is a question asked by the researcher
d. is a statement of scientific fact
e. is a summary of scientific results
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What is the sequence of the mRNA made from the geneTTAGCGGAACT?
a. UCAAGGCGAUU
b. AAUCGCCUUGA
c. AGUUCCGCUAA
d. UUAGCGGAACU
e. TTAGCGGAACT
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When two atoms have the same atomic number but different atomicmasses, what
are they called?
a. radioactive
b. ions
c. elements
d. isotopes
e. electrons
