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51 Cards in this Set
- Front
- Back
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What is ecology? |
Ecology is the scientific study of how organisms interact with each other and with their environment.
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What is a biotic factor?
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A biotic factor is any living part or once living part of the environment with which an organism might interact, including animals, plants, fungi, and bacteria.
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What is an abiotic factor?
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An abiotic factor is any nonliving part of the environment, such as sunlight, heat, precipitation, humidity, wind, water, rocks, etc. |
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What are the two primary sources of energy that power living systems?
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Sunlight energy and chemical energy.
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What is the main energy source for life on Earth?
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Sunlight.
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What are primary producers?
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Primary producers are organisms that can capture energy from sunlight or chemicals and use that energy to produce food.
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What are consumers?
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Consumers are organisms that rely on other organisms for their energy and food.
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What type of consumer eats only plants?
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A herbivore.
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What type of consumer eats only animals?
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A carnivore
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What type of consumer eats both plants and animals?
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A omnivore
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What type of consumer eats only decaying plants and animals?
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A detritivore
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What type of consumer turns the nutrients back into soil?
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A decomposer
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What type of consumer eats the dead bodies of other animals?
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A scavenger
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How does energy flow through an ecosystem?
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Energy flows through an ecosystem in a oneway stream from primary producers to various consumers.
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What is a food chain?
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A food chain is a series of steps in which organisms transfer energy by eating and being eaten.
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What is a food web?
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A food web is a interaction of food chains.
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What is ecology?
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Ecology is the scientific study of how organisms interact with each other and with their environment.
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What is a biotic factor?
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A biotic factor is any living part or once living part of the environment with which an organism might interact, including animals, plants, fungi, and bacteria.
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What is an abiotic factor?
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An abiotic factor is any nonliving part of the environment, such as sunlight, heat, precipitation, humidity, wind, water, rocks, etc.
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What are the two primary sources of energy that power living systems?
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Sunlight energy and chemical energy.
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What is the main energy source for life on Earth?
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Sunlight.
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What are primary producers?
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Primary producers are organisms that can capture energy from sunlight or chemicals and use that energy to produce food.
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What are consumers?
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Consumers are organisms that rely on other organisms for their energy and food.
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What type of consumer eats only plants?
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A herbivore.
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What type of consumer eats only animals?
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A carnivore
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What type of consumer eats both plants and animals?
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A omnivore
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What type of consumer eats only decaying plants and animals?
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A detritivore
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What type of consumer turns the nutrients back into soil?
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A decomposer
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What type of consumer eats the dead bodies of other animals?
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A scavenger
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How does energy flow through an ecosystem?
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Energy flows through an ecosystem in a oneway stream from primary producers to various consumers.
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What is a food chain?
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A food chain is a series of steps in which organisms transfer energy by eating and being eaten.
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What is a food web?
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A food web is a interaction of food chains.
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What is a niche?
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A niche describes how the organism interacts with its environment.
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What is a habitat?
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A habitat is the general place where an organism lives.
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What does the competitive exclusion principle state?
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The competitive exclusion principle states that no two species can occupy exactly the same niche in exactly the same habitat at exactly the same time.
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What is symbiosis?
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Symbiosis is a relationship in which two species live closely together.
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What are the three main types of symbiosis?
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Mutualism, commensalism, and parasitism.
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What factors affect population growth?
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Birthrate, death rate, immigration, and emigration.
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What is immigration?
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Immigration refers to organisms moving into an area.
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What is emigration?
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Emigration refers to the organisms moving out of an area.
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Why is biodiversity important?
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Provides us with food, medacine, and natural resources.
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What are some threats to biodiversity?
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Human activities such as farming, logging, pollution, deforestation, introducing invasive species, over exploitation of resources, habitat loss.
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What is an ecological succession?
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Ecological succession is a series of predictable changes that occurs in a community over time.
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What is primary succession?
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Primary succession occurs on surfaces where no soil exists.
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What is secondary succession?
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Secondary succession occurs when a disturbance such as fire, flood, deforestation, or tornado changes a community without destroying the soil.
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Why does secondary succession typically proceed faster than primary succession?
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Soil is already in place, therefore a larger range of plant species can move into the area.
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What type of succession takes place after lava from a volcanic eruption covers an area? A. primary succession B. secondary succession C. tertiary succession D. quarternary succession |
A. primary succession |
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This type of succession starts on an area where there are no living organisms from the begining. The first time is called primary community or pioneers. A. primary succession B. secondary succession C. tertiary succession D. quarternary succession |
A. primary succession |
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This type of succession starts on an area where there was living organisms previously, but has disappeared due to some natural calamity such as flood, fire, or logging. A. primary succession B. secondary succession C. tertiary succession D. quarternary succession |
B. secondary succession
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The first organisms to repopulate an area affected by a volcanic eruption are called. A. keystone species B. climax species C. primary producers D. pioneer species |
D. pioneer species
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Why does secondary succession usually proceed faster than primary succession? A. In secondary succession no soil remains. B. In primary succession, the community begins with soil that is intact. C. Secondary succession usually proceeds faster, because soil and a few plants are already in place when secondary succession starts. D. None of the above choices are correct. |
C. Secondary succession usually proceeds faster, because soil and a few plants are already in place when secondary succession starts. |
