Which of the following was critical for the adaptation of reptiles to terrestrial ecosystems?
a. the amniote egg
b. four legs
c. exoskeleton
d. endoskeleton
e. exoskeletons and endoskeletons
a
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Individuals of a single species fighting over access to a limiting resource is one example of ________
A) intraspecific competition B) interspecific competition C) resource partitioning D) symbiosis E) competitive exclusion
What proportion of urban Americans lives in the suburbs?
A. one-tenth B. one-quarter C. one-third D. one-half E. two-thirds
In reference to the Pacific region, FSM stands for
a. Federated States of Micronesia. b. Federation of State Militias. c. Federally and State Monitored. d. Micronesian Federation of States. e. Fiji State Militia.
Longshore currents are a result of ____
a. swash and backwash b. the tides c. a rise in sea level d. incomplete wave refraction