14031906
Descripción
Test por Amar Malik, actualizado hace más de 1 año
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Creado por Amar Malik
hace casi 6 años
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Pregunta 1
Pregunta
[blank_start]Ecology[blank_end] is the study of the environment and everything in it, both living and non-living
Respuesta
-
Ecology
Pregunta 2
Pregunta
The [blank_start]biosphere[blank_end] is all the different types of ecosystems found on Earth
Respuesta
-
biosphere
Pregunta 3
Pregunta
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.
Respuesta
-
habitat
Pregunta 4
Pregunta
A [blank_start]niche[blank_end] is each organisms specific role in the environment
Respuesta
-
niche
Pregunta 5
Pregunta
Which of the following affects community structures?
Respuesta
-
Abiotic Factors
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Light
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Seasons
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Biotic Factors
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Interactions
Pregunta 6
Pregunta
Which of the following are examples of abiotic factors?
Respuesta
-
Climate
-
Topography
-
Soil Type
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Plant Structures
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Human Activity
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Resources
Pregunta 7
Pregunta
Which of the following is a example of biotic factors?
Respuesta
-
Evolution
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Adaptations
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Diseases
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Climate
Pregunta 8
Pregunta
Which of the following are examples of interactions?
Respuesta
-
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
Pregunta 9
Pregunta
Any close relationship between species is called [blank_start]symbiosis[blank_end]
Respuesta
-
symbiosis
Pregunta 10
Pregunta
A symbiotic relationship in which both species benefits is called [blank_start]mutualism[blank_end]
Respuesta
-
mutualism
Pregunta 11
Pregunta
A symbiotic relationship in which one organism benefits and the other is not affected is called [blank_start]commensalism[blank_end]
Respuesta
-
commensalism
Pregunta 12
Pregunta
A symbiotic relationship in which one organism benefits but the other is harmed is called [blank_start]parasitism[blank_end]
Respuesta
-
parasitism
Pregunta 13
Pregunta
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
Respuesta
- True
- False
Pregunta 14
Pregunta
[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
Respuesta
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Competitive Exclusion
Pregunta 15
Pregunta
[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
Respuesta
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Keystone species
Pregunta 16
Pregunta
[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.
Respuesta
-
Primary Succession
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Secondary Succession
Pregunta 17
Pregunta
Lichens and mosses break down rock to produce soil. This is known as
Respuesta
-
Grasses and Shrubs
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Small shrubs and trees
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Pioneer Species
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Climax Community
Pregunta 18
Pregunta
Opportunistic, fast growing plants colonize and stabilize the soil layer. This is known as
Respuesta
-
Climax Community
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Pioneer Species
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Small shrubs and trees
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Grasses and Shrubs
Pregunta 19
Pregunta
This outcompetes the grasses for light and nutrients. It is known as
Respuesta
-
Small shrubs and trees
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Pioneer Species
-
Climax Community
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Grasses and shubs
Pregunta 20
Pregunta
Mature trees and shrubs are known as
Respuesta
-
Small shrubs and trees
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Climax Community
-
Pioneer Species
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Grasses and shrubs
Pregunta 21
Pregunta
[blank_start]Populations[blank_end] are all the individuals of a species that live together in one place at one time
Respuesta
-
Populations
Pregunta 22
Pregunta
[blank_start]Demography[blank_end] is the statistical study of populations. It is used to predict how the size of a population will change
Respuesta
-
Demography
Pregunta 23
Pregunta
Population size
Respuesta
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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
Pregunta 24
Pregunta
A small population is more likely to become extinct
Respuesta
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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
Pregunta 25
Pregunta
Population density
Respuesta
-
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
Pregunta 26
Pregunta
Disease, competition, predators, parasites, food, and crowding are all examples of [blank_start]density-dependent factors[blank_end].
Respuesta
-
density-dependent factors
Pregunta 27
Pregunta
Volcanic eruptions, temperature, storms, floods, droughts, chemical pesticides, and major habitat disruptions are examples of [blank_start]density-independent[blank_end] factors.
Respuesta
-
density-independent
Pregunta 28
Pregunta
[blank_start]Dispersion[blank_end] is the way in which individuals are arranged.
Respuesta
-
Dispersion
Pregunta 29
Pregunta
Model
Respuesta
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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
Pregunta 30
Pregunta
[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.
Respuesta
-
Exponential growth curve
Pregunta 31
Pregunta
This model accounts for the declining resources available to populations as they grow.
Respuesta
-
Carrying capacity
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Logistic model
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Exponential growth curve
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Exponential decay curve
Pregunta 32
Pregunta
The number of organisms of one species that an environment can support indefinitely
Respuesta
-
Carrying Capacity
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Logistic Model
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Exponential decay curve
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Exponential growth curve
Pregunta 33
Pregunta
What are 2 ways a population can prosper?
Respuesta
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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
Pregunta 34
Pregunta
[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
Respuesta
-
R-strategists
Pregunta 35
Pregunta
[blank_start]K-strategists[blank_end] are characterized by a high degree of specialization. K=carrying capacity.
Respuesta
-
K-strategists
Pregunta 36
Pregunta
An [blank_start]ecosystem[blank_end] is a collection of organisms and their enviorment
Respuesta
-
ecosystem
Pregunta 37
Pregunta
All of Earth's energy comes from the sun
Respuesta
- True
- False
Pregunta 38
Pregunta
[blank_start]Photosynthesis[blank_end] is when organisms use the Sun's energy to create energy rich molecules
Respuesta
-
Photosynthesis
Pregunta 39
Pregunta
What are sugars made up of?
Respuesta
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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
Pregunta 40
Pregunta
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
Respuesta
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chemical bonds
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released
Pregunta 41
Pregunta
A [blank_start]producer[blank_end] is an organism that uses an outside energy source like the Sun to make energy-rich molecules
Respuesta
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producer
Pregunta 42
Pregunta
What does most producers contain? What is it required for?
Respuesta
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Energy ; Chemosynthesis
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Producers; Photosynthesis
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Chlorophyll; Photosynthesis
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Consumers; Chemosynthesis
Pregunta 43
Pregunta
Green plants are [blank_start]producers[blank_end].
Respuesta
-
producers
Pregunta 44
Pregunta
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]
Respuesta
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chemosynthesis
Pregunta 45
Pregunta
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.
Respuesta
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consumer
Pregunta 46
Pregunta
A food chain is a simple model of the feeding relationship in an ecosystem.
Respuesta
- True
- False
Pregunta 47
Pregunta
This describes the concentration of toxins at higher trophic levels due to an increase of ingested biomass
Respuesta
-
Eutrophication
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Human Impact-Depletion of the Ozone Layer
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Biological Magnification
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Acid Rain
Pregunta 48
Pregunta
This is the excess algal growth in bodies of water due to nutrient over-enrichment
Respuesta
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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
Pregunta 49
Pregunta
This causes damage to the ozone layer; there is a hole that doesn't protect as effectively against solar UV rays
Respuesta
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Human Impact
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Biological Magnification
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Eutrophication
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Air Pollutants
Pregunta 50
Pregunta
[blank_start]Acid Rain[blank_end] is when precipitation combines with sulfates in the air released from pollution to make acid rain
Respuesta
-
Acid Rain
Pregunta 51
Pregunta
All of the individuals of a species that live together in one place at one time is a [blank_start]population[blank_end].
Respuesta
-
population
Pregunta 52
Pregunta
The movement of individuals into a population from another area is called [blank_start]immigration[blank_end]
Respuesta
-
immigration
Pregunta 53
Pregunta
The movement of individuals out of a population is called [blank_start]emigration[blank_end]
Respuesta
-
emigration
Pregunta 54
Pregunta
[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.
Respuesta
-
Intraspecific
-
interspecific
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