Answer Happy

6. An example of environmental resistance in an organism's habitat is a the buildup of waste materials c. limited resources e, all of the above b. competition d. predation 7. In regard to ceological studies, which of the following is truc? a. A correlation occurs when there is a meaningful relationship between two variables. b. A correlation always indicates causation c. Current research is primarily focused on observational field work. d. All of the above are true regarding ecological studies 15. In large natural ecosystems, competition between two species over time will most likely result in a niche partitioning and the reduction of inter-specific competition b. death of all members of one species within a short time c. hybridization between the two species, resulting in a third species d. none of the above are correct 23. Organisms that are not capable of synthesizing their own food, and are dependent upon other organisms for their nutritional needs are referred to as: a. heterotrophs d. consumers b. autotrophs e. both a and d c. producers 25. Which of the following is a density-dependent factor that limits population growth? a spread of disease c. predatione, all of the above b. accumulation of toxic waste de territoriality 26. The benthic zone in an aquatic biome a. often supports communities of organisms that feed largely on detritus b. consists of areas of open water c. is always devoid of light d. all of the above are true regarding the benthic zone of aquatic biomes 28. Life tables are MOST useful in determining which of the following? a. carrying capacity b. an age-specific survivor pattern of a population c. immigration and emigration rates d. population and dispersion patterns e. reproductive rates 29. The Type I survivorship curve type indicates a species that a. has many offspring with little parental care b. has many offspring that survive well through youth and into older age before dying c. has a uniform death rate over time d. both a and b are correct e. both a and care correct