eoc practice questions #5. bio.2.1.1 analyze the flow of energy and cycling of matter (water,...
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EOC PRACTICE QUESTIONS #5EOC PRACTICE QUESTIONS #5
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Bio.2.1.1 Analyze the flow of energy and cycling of matter (water, carbon, nitrogen and oxygen) through ecosystems relating the significance of each to maintaining the health and sustainability of an ecosystem.
Bio.2.1.3 Explain various ways organisms interact with each other (including predation, competition, parasitism, mutualism) and with their environments resulting in stability within ecosystems.
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Organisms that can mate an Organisms that can mate an produce fertile offspringproduce fertile offspring
• species
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Group of the same organisms in an Group of the same organisms in an areaarea
• population
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All interacting populations in an All interacting populations in an areaarea
• communitycommunity
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All biotic and abiotic factors in an All biotic and abiotic factors in an areaarea
• ecosystem
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Place in order from smallest to Place in order from smallest to largest: ecosystem, species, largest: ecosystem, species, community, populationcommunity, population
• Species
• Population
• Community
• Ecosystem
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Permanent relationship between 2 Permanent relationship between 2 organismsorganisms
• symbiotic relationship
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One organism is helped and the One organism is helped and the other is hurtother is hurt
• parasitism
• Examples:
• Tapeworms
• Ticks
• Fleas
• Viruses
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One organism is helped and one is One organism is helped and one is unaffectedunaffected• commensalism
• Examples
• orchids on trees
• barnacles on a whale
• Cyanobacteria on a polar bear
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Both are helpedBoth are helped
• Mutualism
• Examples
• Lichens – algae and fungi
• sea anemone and clownfish
• Cleaner shrimp and sharks
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Bio.2.1.4 Explain why ecosystems can be relatively stable over hundreds or thousands of years, even though populations may fluctuate (emphasizing availability of food, availability of shelter, number of predators and disease).
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Which does the ecosystem have to have Which does the ecosystem have to have more of at first? _____ What happens to more of at first? _____ What happens to the prey population as predators the prey population as predators increase? ______increase? ______
PreyPreyPrey would decreasePrey would decrease
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Non-living factors in environmentNon-living factors in environment
• abiotic factors• Examples• Temperature• acidity of soil• Soil• Water• Oxygen• nutrients
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Living factors in the environmentLiving factors in the environment
• biotic factors
• Examples
• Animals
• Plants
• Bacteria
• Fungi
• Protists
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The total number of species a population The total number of species a population can support is the _____. It is reached can support is the _____. It is reached because of ______. because of ______.
• carrying capacity
• limiting factors
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Resources, Disease, Predator/Prey Resources, Disease, Predator/Prey are _______ limiting factors.are _______ limiting factors.
• density-dependent
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Extreme temperature changes, Extreme temperature changes, natural disasters, destruction of natural disasters, destruction of a habitat are ___limiting factora habitat are ___limiting factor
• density-independent
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Increased birthrate and decreased death Increased birthrate and decreased death rate cause a population to ______.rate cause a population to ______.
• increase
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Which age bracket has the largest Which age bracket has the largest percentage of people? percentage of people?
• 40-50 (baby boomers) This is a fairly stable population
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Which sex in living longest? Which sex in living longest?
femalesfemales
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Predictable changes in a community Predictable changes in a community overtime is called ______. It will overtime is called ______. It will continue until a ____is reached.continue until a ____is reached.
• Succession
• Climax community
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Succession on rock like after a Succession on rock like after a volcanic eruption of after a glacier volcanic eruption of after a glacier recedes is called _________.recedes is called _________.
• primary succession
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The first organisms to grow are called The first organisms to grow are called the______. An example on rock is the______. An example on rock is a ______.a ______. • pioneer species
• lichen
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Succession on soil is called ______. Succession on soil is called ______. First organisms to grow are ___.First organisms to grow are ___.
• secondary succession
• grasses and weeds
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The three parts of a stable The three parts of a stable ecosystem are ____________.ecosystem are ____________.
• Producers
• Consumers
• Decomposers
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Organisms with the most energy in Organisms with the most energy in a food web are the ____. They a food web are the ____. They have the greatest impact on the have the greatest impact on the ecosystem because without ecosystem because without them there would not be food them there would not be food and energy for the others.and energy for the others.
• Producers (autotrophs)
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Producers primarily make their Producers primarily make their own food by the process ofown food by the process of
• photosynthesis
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Producers take in the atmospheric gas Producers take in the atmospheric gas _____ and produce _____ an organic _____ and produce _____ an organic compound and _____ which is compound and _____ which is released into the atmosphere. released into the atmosphere.
• carbon dioxide
• Glucose
• oxygen
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All organisms take in the atmospheric All organisms take in the atmospheric gas ____and use it to break down gas ____and use it to break down ______ in the process called ______ in the process called _________which releases ______._________which releases ______.
• Oxygen
• Glucose
• cellular respiration
• carbon dioxide
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Decomposers like ____ and ______ Decomposers like ____ and ______ breakdown organic matter and put breakdown organic matter and put the nutrients back into the soil.the nutrients back into the soil.
• Bacteria
• Fungi
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Oxygen is necessary for ____, Oxygen is necessary for ____, _____, and _______. _____, and _______.
• Respiration
• Combustion
• Decomposition
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Carbon dioxide is necessary for Carbon dioxide is necessary for ___________.___________.
• photosynthesis
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The most abundant gas in the air you The most abundant gas in the air you breathe is _____ but your body breathe is _____ but your body cannot process it to make ____ and cannot process it to make ____ and _______. _______.
• Nitrogen
• Proteins
• nucleic acids
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_____ in the soil convert nitrogen gas into _____ in the soil convert nitrogen gas into the usable form of ammonia, nitrates, the usable form of ammonia, nitrates, and nitrites so plants can use it. We and nitrites so plants can use it. We get the correct form of nitrogen we get the correct form of nitrogen we need from the plants or animals that need from the plants or animals that have eaten plants.have eaten plants.
• Bacteria
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Water gets into the atmosphere by Water gets into the atmosphere by ____, _____, and ______.____, _____, and ______.
• Evaporation
• Transpiration
• Respiration
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Who are the herbivores? Who are the herbivores?
WormWormSnailSnailrabbitrabbit
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Who are the carnivores?Who are the carnivores?
LizardLizardeagleeagle
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Who are the producers? Who are the producers?
grassgrass
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Who are the primary consumers? Who are the primary consumers?
WormWormSnailSnailRabbitRabbitbird (when eating grass)bird (when eating grass)
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Who are the secondary consumers? Who are the secondary consumers?
bird (when eating the worm)bird (when eating the worm)LizardLizardeagle (when eating rabbit)eagle (when eating rabbit)
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Who are the tertiary consumers? Who are the tertiary consumers?
eagleeagle
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What happens if the bird population What happens if the bird population is reduced? is reduced?
Eagles eat more lizards and rabbits making them decreaseEagles eat more lizards and rabbits making them decrease
Snail population increasesSnail population increases
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What trophic level does the lizard What trophic level does the lizard belong to? belong to?
Third (count auto and heterotrophs)Third (count auto and heterotrophs)
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Which organism has the most Which organism has the most energy? energy?
grassesgrasses
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Which organism has the least energy? Which organism has the least energy?
eagleseagles
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Which organism would have the most Which organism would have the most biomass? biomass?
grassesgrasses
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If a toxin were introduced to the If a toxin were introduced to the food web, which organism food web, which organism would it show up most in? would it show up most in?
eagleeagle
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Who are the autotrophs? Who are the autotrophs?
grassesgrasses
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Which component was left out of Which component was left out of the food web? the food web?
decomposers decomposers (if it was there, all arrows would point toward it)(if it was there, all arrows would point toward it)
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Bio.2.2.1 Infer how human activities (including population growth, pollution, global warming, burning of fossil fuels, habitat destruction and introduction of nonnative species) may impact the environment.
Bio.2.2.2 Explain how the use, protection and conservation of natural resources by humans impact the environment from one generation to the next.
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______ impact the environment the most ______ impact the environment the most due to alterations in environments due to alterations in environments and use of natural resources.and use of natural resources.
• Humans
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Harmful substances released into the soil, Harmful substances released into the soil, water, and air is called _______ which water, and air is called _______ which threatens all organisms.threatens all organisms.
• pollution
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Agricultural or sewage runs off into the Agricultural or sewage runs off into the freshwater ecosystem and can cause freshwater ecosystem and can cause rapid growth of an algal bloom and rapid growth of an algal bloom and eventually oxygen depletion. This is eventually oxygen depletion. This is called ______ and will eventually cause called ______ and will eventually cause the body of water to fill in.the body of water to fill in.
• eutrophication
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Building cities takes away organisms’ Building cities takes away organisms’ habitats causing them to move or die. habitats causing them to move or die. Overhunting and overfishing can also Overhunting and overfishing can also lead to a decrease in ________.lead to a decrease in ________.
• biodiversity
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_______ will cause the oxygen and _______ will cause the oxygen and water levels in the atmosphere to water levels in the atmosphere to decrease and the carbon dioxide decrease and the carbon dioxide levels to increase. It also takes levels to increase. It also takes away an organisms’ habitat.away an organisms’ habitat.
• Deforestation
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Sustaining resources is important Sustaining resources is important because some natural resources because some natural resources are _______________.are _______________.
• nonrenewable
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The ______helps to control and stabilize the The ______helps to control and stabilize the temperature of Earth by trapping infrared temperature of Earth by trapping infrared radiation. The burning of _____ has radiation. The burning of _____ has increased the amount of _________in the increased the amount of _________in the atmosphere causing global warming. atmosphere causing global warming.
• greenhouse effect• fossil fuels• carbon dioxide
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Burning of fossil fuels also releases sulfur Burning of fossil fuels also releases sulfur dioxides and nitrogen oxides in the dioxides and nitrogen oxides in the atmosphere. When these mix with atmosphere. When these mix with precipitation, ____ is formed which precipitation, ____ is formed which affects the forest and the freshwater affects the forest and the freshwater ecosystem.ecosystem.
• acid rain
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The ozone layer blocks ultraviolet rays The ozone layer blocks ultraviolet rays from the sun. _____ have caused from the sun. _____ have caused ozone depletion increasing skin ozone depletion increasing skin cancer and mutations.cancer and mutations.
• Chlorofluorocarbons
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Soil erosion, overuse of farmlands, Soil erosion, overuse of farmlands, and pesticides threaten the ____.and pesticides threaten the ____.
• food supply
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Items put in landfills should be ____ or able to be Items put in landfills should be ____ or able to be broken down by decomposers. Otherwise we broken down by decomposers. Otherwise we should ____, _____, and _______. Conserving should ____, _____, and _______. Conserving fuel and electricity reduce your carbon fuel and electricity reduce your carbon footprint.footprint.
• Biodegradable• Reduce• Reuse• Recycle