An organism whose decline or removal from a habitat causes many other species numbers to change dramatically is called __________ species.
A. a keystone
B. a synergistic
C. a nominal
D. an introduced
A. a keystone
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The most common form of low-quality energy
released in energy conversions is a. metabolic. b. heat. c. entropy. d. light. e. electricity.
Compare and contrast the following pairs of related terms: gene and allele, genotype and phenotype,
homozygous and heterozygous. What will be an ideal response?
In the cAMP signal transduction pathway, a protein kinase is activated. What happens next/
a. G protein is activated. b. GDP is replaced by GTP. c. cAMP is converted to ATP. d. Adenylyl cyclase is activated. e. The protein kinase activates a cellular response.
A measurement of a microbe is reported as 1 × 10-6 m, also known as
A. centimeters (cm). B. millimeters (mm). C. micrometers (?m). D. nanometers (nm). E. yards.