What is the estimated number of species on Earth?
A) about 3 thousand to 100 thousand
B) about 3 million to 100 million
C) 3 billion to 100 billion
D) about 3 trillion to 100 trillion
Correct Answer:
Verified
Q2: Which has the largest number of species?
A) insects
Q3: Which statement best defines ecology?
A) Ecology is the
Q4: What is the main goal of ecology?
A) to
Q5: Where would a submarine most likely be
Q6: Which of the following correctly lists,in sequence
Q7: What is comprised of all physical forms
Q8: What is characteristic of all life forms?
A) They
Q9: Which term defines a community of interacting
Q10: Which term is synonymous with ecosphere?
A) lithosphere
B) hydrosphere
C) biosphere
D) atmosphere
Q11: What is the approximate number of species
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