Choose the best answer

1			The mitochondria of eukaryotic cells most likely arose as a result of endosymbiosis between a eukaryotic cell and a Need a Hint?
			A)	blue-green alga.
			B)	nonsulfur purple bacterium.
			C)	red alga.
			D)	cyanobacterium.
2			The protists are a paraphyletic group that have traditionally been grouped together because Need a Hint?
			A)	they are all genetically similar to each other.
			B)	they all have very similar morphological characters.
			C)	they are not fungi, animals, or plants.
			D)	they all have similar nutritional modes and live in similar environments.
3			Many protists are able to resist harsh environmental conditions by Need a Hint?
			A)	forming a cyst and slowing metabolism during times of stress.
			B)	utilizing a wide variety of nutritional modes.
			C)	reproducing asexually through the process of budding.
			D)	moving away from a harsh environment by using pseudopodia.
4			The light-sensing organ in the Euglena is a Need a Hint?
			A)	flagellum.
			B)	contractile vacuole.
			C)	pellicle.
			D)	stigma.
5			The parasitic kinetoplast that causes leishmaniasis must spend part of its life cycle in a nonhuman host. What organism(s) serve(s) as the vector for this life cycle? Need a Hint?
			A)	small mammals
			B)	a sand fly
			C)	a mosquito
			D)	a tse-tse fly
6			You are examining cells from an unknown organism under the microscope. You note that the cells have a membrane-bounded nucleus and that there are small cavities in the membranes along the internal cell surface. Based upon this information alone, you conclude that these most likely are ___________ cells.
			A)	bacterial
			B)	diatom
			C)	dinoflagellate
			D)	kinetoplastid
7			The parasitic protist that causes malaria, Plasmodium, must spend part of its life cycle in a nonhuman host. What organism(s) serve(s) as the vector for this life cycle? Need a Hint?
			A)	small mammals
			B)	a sand fly
			C)	a mosquito
			D)	a tse-tse fly
8			Phytopthora infestans is the oomycete that causes Need a Hint?
			A)	Chagas disease.
			B)	potato blight.
			C)	red tides.
			D)	African sleeping sickness.
9			A biologist discovers an alga that is marine, multicellular, lacks flagella and centrioles, and contains phycobilisomes. It probably belongs to which group? Need a Hint?
			A)	Rhodophyta
			B)	Brown algae
			C)	Chlorophyta
			D)	Foraminifera
10			The green algae gave rise to which modern group of organisms? Need a Hint?
			A)	photosynthetic bacteria
			B)	plants
			C)	photosynthetic euglenoids
			D)	animals