30 Questions
What is the term for the space where an animal lives?
Habitat
What is the purpose of gene flow in a population?
To prevent speciation
What is the difference between the fundamental and realized niche?
The fundamental niche is larger than the realized niche
What is the term for the study of populations in relation to the environment?
Population ecology
What is the characteristic of a generalist species?
Can withstand a variety of environmental conditions
What is the primary focus of community ecology?
The interactions among various populations in a community
What is the effect of abiotic limiting factors on population density?
The effect does not change with population density
What is the term for the unique multidimensional relationship of a species with its environment?
Niche
What type of interaction has a negative effect on both populations?
Competition
What is the term for a group of individuals of the same age in a population?
Cohort
What type of interaction is beneficial for one population and neutral for the other?
Commensalism
What type of limiting factor acts in a density-dependent way?
Biotic factors
What is the term for the process where toxins become more concentrated in higher trophic levels of a food web?
Biological magnification
What is the main purpose of pyramids of production in a food chain?
To represent the loss of energy with each transfer
What type of diversity refers to the variety of species in an ecosystem or throughout the biosphere?
Species diversity
What is the term for the cycling of matter through an ecosystem involving both biotic and abiotic components?
Biogeochemical cycles
What is the main reason why toxins are harmful in an ecosystem?
They become more concentrated in higher trophic levels
What is the definition of an endangered species?
A species that is in danger of becoming extinct throughout its range
What is the primary role of autotrophs in the biosphere?
To produce food through photosynthesis
What is the term used to describe organisms that rely on other organisms for their energy and food supply?
Heterotrophs
What type of consumer feeds on plant and animal remains?
Detritivores
What is the direction of energy flow in an ecosystem?
From autotrophs to heterotrophs
What is the percentage of energy available in one trophic level that is passed to organisms in the next trophic level?
10%
What occurs when two or more species share a limiting resource?
Competition
What is the term used to describe a network of complex feeding relationships among the various organisms in an ecosystem?
Food Web
What is the outcome when two species have exactly the same niche?
One species will drive the other out
What is the term for species that exploit a resource in a similar way?
Guild
What type of coloration makes prey difficult to spot?
Cryptic coloration
What is the term for an interaction where one species kills and eats the other?
Predation
What is the purpose of aposematic coloration?
To warn predators to stay away
Learn about the different types of organisms that play a crucial role in the flow of energy through the biosphere. Identify autotrophs, heterotrophs, and their subcategories, including herbivores, carnivores, omnivores, decomposers, and detritivores.
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