Mitochondria are descendants of ________, and chloroplasts are descendants of ________.
A. orange bacteria; purple bacteria
B. purple bacteria; cyanobacteria
C. methanogens; protists
D. cyanobacteria; fungi
Answer: B
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Which is a characteristic of all animals?
a. they develop from embryos b. they reproduce only sexually c. they are always motile d. some are producers e. some are unicellular
How did the control group differ from the
experimental group in the butterfly experiment? a. They were different species. b. Their native habitat area of the forest differed. c. They tasted worse. d. They were white-patterned. e. They preferred different flower species.
Ecosystems lose energy in the form of ____
a. metabolic heat b. sunlight c. carbon dioxide d. oxygen e. decomposition
What is the correct order of the Linnaean system of classification, starting with the most general category?
A. genus, order, class, phylum B. kingdom, class, phylum, species C. domain, kingdom, phylum, class D. domain, phylum, class, kingdom