A scientific theory is
A. a way to organize how we think about a problem.
B. a way to understand a complex system by reducing it to its working parts.
C. a suggested explanation that accounts for observations.
D. a concept that is supported by experimental evidence that explains the facts in an area of study.
Answer: D
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A biome is most specifically defined as ____
a. a vegetation type plus its associated microorganisms, fungi, and animals b. a biological community and the physical environment with which it interacts c. the total dry weight of plants present in a specific area at any given time d. an assemblage of species living in the same place e. a group of organisms of the same species living together at one time
Who was the first researcher to establish the method for DNA sequencing?
A. Rosalind Franklin B. Frederick Sanger C. James Watson D. Ian Wilmut E. Gregor Mendel
What might result from the overwatering of houseplants and garden plants?
A) an increase in chlorophyll within the leaves B) decreased rates of transpiration C) dormancy due to loss of leaves D) the formation of hydroids
What is the primary energy-storage molecule in plants?
A) Chlorophyll B) Cellulose C) Cholesterol D) Protein E) Starch