What are the two main processes upon which ecosystems depend?
A) speciation and evolution
B) nutrient recycling and energy flow
C) decomposition and nutrient recycling
D) sunlight and photosynthesis
Correct Answer:
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Q1: A hypothesis is a(n)_.
A)a proposed explanation for
Q2: What are genes composed of?
A)insulin
B)organelles
C)tissues
D)DNA
Q4: You try to start your car, but
Q5: Which statement is a valid scientific hypothesis?
A)Human
Q6: Which function is NOT a property of
Q7: What is a gene?
A)a type of cell
B)an
Q8: Over a span of two decades in
Q9: What name is given to the functional
Q10: Which concept was proposed by Darwin?
A)energy flow
B)ecosystem
Q11: Which structure can perform all the activities
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