14031906
Beschreibung
Quiz von Amar Malik, aktualisiert more than 1 year ago
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Erstellt von Amar Malik
vor fast 6 Jahre
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Frage 1
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[blank_start]Ecology[blank_end] is the study of the environment and everything in it, both living and non-living
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Ecology
Frage 2
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The [blank_start]biosphere[blank_end] is all the different types of ecosystems found on Earth
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biosphere
Frage 3
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A [blank_start]habitat[blank_end] is the place where something lives. It includes all the things that make it a suitable place to live. For example, food, water, and shelter.
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habitat
Frage 4
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A [blank_start]niche[blank_end] is each organisms specific role in the environment
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niche
Frage 5
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Which of the following affects community structures?
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Abiotic Factors
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Light
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Seasons
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Biotic Factors
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Interactions
Frage 6
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Which of the following are examples of abiotic factors?
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Climate
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Topography
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Soil Type
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Plant Structures
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Human Activity
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Resources
Frage 7
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Which of the following is a example of biotic factors?
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Evolution
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Adaptations
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Diseases
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Climate
Frage 8
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Which of the following are examples of interactions?
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Adaptations
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Climate
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Competition
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Predation
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Soil Type
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Disease
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Human Activity
Frage 9
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Any close relationship between species is called [blank_start]symbiosis[blank_end]
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symbiosis
Frage 10
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A symbiotic relationship in which both species benefits is called [blank_start]mutualism[blank_end]
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mutualism
Frage 11
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A symbiotic relationship in which one organism benefits and the other is not affected is called [blank_start]commensalism[blank_end]
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commensalism
Frage 12
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A symbiotic relationship in which one organism benefits but the other is harmed is called [blank_start]parasitism[blank_end]
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parasitism
Frage 13
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The presence of predators usually increases the number of different species that can live in an ecosystem. Predators limit the size of prey population. As a result, there is more food available and less competition between species
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- True
- False
Frage 14
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[blank_start]Competitive Exclusion[blank_end] is when any two individuals of the same or different species will have differences that makes one a better competitor than the other, so one is naturally excluded. They cannot coexist indefinitely
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Competitive Exclusion
Frage 15
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[blank_start]Keystone species[blank_end] are certain species that are critical to the survival and diversity of the community. They dictate community structures by outcompeting other species. If they are removed, another species may dominate and exclude others. This decreases biodiversity
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Keystone species
Frage 16
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[blank_start]Primary Succession[blank_end] is a series of events that occur during the colonization of barren land. [blank_start]Secondary Succession[blank_end] is a series of events that occur during the re-colonization of distributed land that already possesses soil.
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Primary Succession
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Secondary Succession
Frage 17
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Lichens and mosses break down rock to produce soil. This is known as
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Grasses and Shrubs
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Small shrubs and trees
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Pioneer Species
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Climax Community
Frage 18
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Opportunistic, fast growing plants colonize and stabilize the soil layer. This is known as
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Climax Community
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Pioneer Species
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Small shrubs and trees
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Grasses and Shrubs
Frage 19
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This outcompetes the grasses for light and nutrients. It is known as
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Small shrubs and trees
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Pioneer Species
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Climax Community
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Grasses and shubs
Frage 20
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Mature trees and shrubs are known as
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Small shrubs and trees
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Climax Community
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Pioneer Species
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Grasses and shrubs
Frage 21
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[blank_start]Populations[blank_end] are all the individuals of a species that live together in one place at one time
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Populations
Frage 22
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[blank_start]Demography[blank_end] is the statistical study of populations. It is used to predict how the size of a population will change
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Demography
Frage 23
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Population size
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is the number of individuals in a population
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influences the growth rate in enviorments
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has an important impact on evolution
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has an important effect on the ability of the population to survive
Frage 24
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A small population is more likely to become extinct
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because of natural selection
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in the case of random events or natural disaster
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due to inbreeding where the population is more genetically alike. Recessive traits are more likely to appear.
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in order to achieve evolution
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with reduced variability it is harder to adapt the changes
Frage 25
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Population density
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the second major impact in evolution
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the number of individuals in a given area
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if they are too far apart they may only rarely encounter one another resulting in little reproduction
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a cause of natural disasters
Frage 26
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Disease, competition, predators, parasites, food, and crowding are all examples of [blank_start]density-dependent factors[blank_end].
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density-dependent factors
Frage 27
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Volcanic eruptions, temperature, storms, floods, droughts, chemical pesticides, and major habitat disruptions are examples of [blank_start]density-independent[blank_end] factors.
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density-independent
Frage 28
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[blank_start]Dispersion[blank_end] is the way in which individuals are arranged.
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Dispersion
Frage 29
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Model
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a hypothetical population that has key characteristics of the real population being studied.
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reflects the birth and death rates in society
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illustrates the population in the past
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used by demographers to predict how a population will grow
Frage 30
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[blank_start]Exponential growth curve[blank_end] is the population growth plotted against time. As a population gets larger, it also grows at a faster rate. This is the maximum population growth under ideal circumstances. It includes plenty of room for each member, unlimited resources, and no hindrance.
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Exponential growth curve
Frage 31
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This model accounts for the declining resources available to populations as they grow.
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Carrying capacity
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Logistic model
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Exponential growth curve
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Exponential decay curve
Frage 32
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The number of organisms of one species that an environment can support indefinitely
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Carrying Capacity
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Logistic Model
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Exponential decay curve
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Exponential growth curve
Frage 33
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What are 2 ways a population can prosper?
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Depends of exponential growth rate
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Depends on the rate of growth
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Depends on the population density
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Influenced by the carrying capacity
Frage 34
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[blank_start]R-strategists[blank_end] are characterized by exponential growth, which results in temporarily large populations, followed by sudden crashes in population size. R=rate of growth
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R-strategists
Frage 35
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[blank_start]K-strategists[blank_end] are characterized by a high degree of specialization. K=carrying capacity.
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K-strategists
Frage 36
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An [blank_start]ecosystem[blank_end] is a collection of organisms and their enviorment
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ecosystem
Frage 37
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All of Earth's energy comes from the sun
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- True
- False
Frage 38
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[blank_start]Photosynthesis[blank_end] is when organisms use the Sun's energy to create energy rich molecules
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Photosynthesis
Frage 39
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What are sugars made up of?
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Carbon
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Phosphorous
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Nitrogen
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Oxygen
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Hydrogen
Frage 40
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Energy is stored in the [blank_start]chemical bonds[blank_end] of the atoms. When the bond is broken, energy is [blank_start]released[blank_end] to fuel life processes
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chemical bonds
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released
Frage 41
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A [blank_start]producer[blank_end] is an organism that uses an outside energy source like the Sun to make energy-rich molecules
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producer
Frage 42
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What does most producers contain? What is it required for?
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Energy ; Chemosynthesis
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Producers; Photosynthesis
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Chlorophyll; Photosynthesis
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Consumers; Chemosynthesis
Frage 43
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Green plants are [blank_start]producers[blank_end].
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producers
Frage 44
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Organisms that are found near volcanic vents in the ocean floor that make energy-rich molecules do it through a process called [blank_start]chemosynthesis[blank_end]
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chemosynthesis
Frage 45
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A [blank_start]consumer[blank_end] is an organism that cannot make their own food so they obtain energy by eating other animals. The four types are herbivores, carnivores, omnivores, and decomposers.
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consumer
Frage 46
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A food chain is a simple model of the feeding relationship in an ecosystem.
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- True
- False
Frage 47
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This describes the concentration of toxins at higher trophic levels due to an increase of ingested biomass
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Eutrophication
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Human Impact-Depletion of the Ozone Layer
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Biological Magnification
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Acid Rain
Frage 48
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This is the excess algal growth in bodies of water due to nutrient over-enrichment
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Acid Rain
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Eutrophication
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Biological Magnification
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Human Impact- Depletion of the Ozone Layer
Frage 49
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This causes damage to the ozone layer; there is a hole that doesn't protect as effectively against solar UV rays
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Human Impact
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Biological Magnification
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Eutrophication
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Air Pollutants
Frage 50
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[blank_start]Acid Rain[blank_end] is when precipitation combines with sulfates in the air released from pollution to make acid rain
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Acid Rain
Frage 51
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All of the individuals of a species that live together in one place at one time is a [blank_start]population[blank_end].
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population
Frage 52
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The movement of individuals into a population from another area is called [blank_start]immigration[blank_end]
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immigration
Frage 53
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The movement of individuals out of a population is called [blank_start]emigration[blank_end]
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emigration
Frage 54
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[blank_start]Intraspecific[blank_end] competition is when members of the same species compete for limited resources, while [blank_start]interspecific[blank_end] competition is when different species compete for limited resources.
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Intraspecific
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interspecific
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