Multiple Choice

Please answer all questions


1	The universe:
		A)	was created in 7 days
		B)	is expanding
		C)	revolves around the earth
		D)	is contracting


2	Early single-celled organisms reproduced:
		A)	inorganically
		B)	organically
		C)	asexually
		D)	sexually


3	Complex multicellular organisms formed around:
		A)	15 billion years ago
		B)	4.5 billion years ago
		C)	2 billion years ago
		D)	543 million years ago


4	Which type of organism appeared first?
		A)	dinosaurs
		B)	reptiles
		C)	fish
		D)	insects


5	The Cambrian Explosion refers to:
		A)	the sudden appearance of organisms with shells and other hard parts
		B)	the mass extinction of dinosaurs
		C)	the beginning of the universe
		D)	the radiation of the sun giving rise to life on earth


6	Continental drift is caused by:
		A)	plate tectonics
		B)	subduction zones
		C)	volcanoes
		D)	earthquakes


7	Photosynthesis is the process by which plants:
		A)	develop flowers
		B)	manufacture their own nutrients
		C)	reproduce
		D)	all the above


8	In Carl Sagan's history of the universe depicted as a single calendar year where do hominids evolve?
		A)	September 4
		B)	November 21
		C)	December 8
		D)	December 31


9	A molecule not containing carbon is:
		A)	alive
		B)	dead
		C)	organic
		D)	inorganic


10	Genetic variation was greatly increased with the evolution of:
		A)	photosynthesis
		B)	sexual reproduction
		C)	asexual reproduction
		D)	vertebrates

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