47 Which of the following is not used to characterize an ecological community?relative abundancetrophic structurecarrying capacityspecies richness

Ecological community is a group of species of two or more than two population found commonly…

Answered: Which of the following is not used to…

Which of the following is not used to characterize an ecological community? relative abundance O trophic structure O carrying capacity species richness

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter25: Human Impacts On The Biosphere

Section: Chapter Questions

Problem 1SQ

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An ecosystem consists of: All the species in a biological community A biological community and its physical environment The species with which a biological community interacts The primary producers within a biological community A physical environment within which a biological community lives
Which of the following statements about the concept of ecological niche is correct? A species' realized niche, may or may not be the same as its fundamental niche The fundamental niche of a species includes biotic and abiotic factors while the realized niche only includes biotic factors A species' fundamental niche is always smaller than its realized niche A niche is the same as a habitat
Why are models useful to understand ecological systems? Group of answer choices They allow for investigation of scenarios that do not currently exist They can be manipulated They are simplified representations of ecological systems
Which of the following descriptions about the organization of an ecosystem is correct? O Individuals of the same species are grouped in populations, which make up communities. O Individuals of the same species make up communities, which make up populations. Populations make up species, which make up communities. Communities make up species, which make up populations.
Ecological succession is Multiple Choice a change in communities caused by human activities. a stable community that forms after a change. an orderly process of change in the community of organisms. what happens to a cultivated field every year that crops are planted. competition between opportunistic and equilibrium species.
The four key attributes of community structure are total number of species top-down and bottom-up effects trophic cascades the sum of interactions among all species physical attributes of a community, including biotic and abiotic factors primary producers species relative abundance
Joshua Tree National Park hosts several species, including the cactus wren, creosote bush, kangaroo rat, bighorn sheep, and Joshua tree, all of which can be found at the park year-round. These aspects of Joshua Tree National Park constitute what level of ecological organization? Group of answer choices Population. Species Interactions. Individual. Biosphere. Community.
1) Which of the following defines the niche of a species? The role of a species in its community as well as the conditions it requires and the interactions it takes part in All populations of all species in some area The type of environment in which a species lives The number of species and their relative abundance within a community 2) Which of the following is an example of a biological factor that can affect community structure? Tropical regions support a high species diversity by receiving the most sunlight energy. The high temperatures of desert regions limit which species can live there. A plant species can live only in regions with a suitable level of rainfall. An insect herbivore inhibits the population growth of a tree species. 3)Which of the following prey defensive adaptations involves two or more prey species coming to resemble one another? Camouflage Startle displays…
Which of the following representations most closely resembles an ecosystem? A group of house cats An empty apartment complex O The washing machines, furniture, and house cats in an apartment complex The furniture and vending machines in an apartment complex
Distinguish between tolerance range and optimal range.
Ecology is best defined as the study of how interactions between organisms lead to changes across generations. the study of interactions between organisms. the study of the relationships between organisms and their environment. O the study of the biotic and abiotic environment.
Match the following definitions or descriptions of community ecology to the most appropriate vocabulary word A model where there is a unidirectional influence from lowe to higher trophic levels A model where predation mainly controls community organization. An event, such as a storm, fire, flood, drought, or human activity, that changes a community by removing organisms from it or altering resource availability. ✓ [Choose ] top-down model disturbance A term which describes most communities as constantly changing after disturbance Occurs in a virtually lifeless area where soil has not yet formed, such as on a new volcanic island or on the rubble left by a retreating glacier Occurs when an existing community has been cleared by a disturbance that leaves the soil intact secondary succession bottom-up model nonequilibrium model primary succession [Choose ] [Choose ] [Choose ] [Choose ] + +