Download Clash of Classes Review Ecology 2014 2015.notebook

Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
Ecology Unit
Ecology Unit
Grade: 10th
Subject:Biology
Date:Oct 30th, 2015
1 Which of the following descriptions about the organization of an ecosystem is correct?
A Communities make up species, which make up populations.
B Populations make up species, which make up communities.
C Species make up communities, which make up populations.
Species are grouped in populations, which make D
up communities.
2 The simplest grouping of more than one kind of organism in the biosphere is a(an)
A population.
B ecosystem.
C community.
D species.
3 The algae at the beginning of the food chain in Figure 1 are
A consumers.
B producers.
C decomposers.
D heterotrophs.
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
4 An organism that uses energy to produce its own food supply from inorganic compounds is called a(an)
A heterotroph.
B detritivore.
C consumer.
D autotroph.
5 Which of the following organisms does NOT require sunlight to live?
A chemosynthetic bacteria
B algae
C trees
D photosynthetic bacteria
6 The total amount of living tissue within a given trophic level is called the
A organic mass.
B energy mass.
C trophic mass.
D biomass.
7 What animals eat both producers and consumers?
A herbivores
B chemotrophs
C omnivores
D autotrophs
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
8 A snake that eats a frog that has eaten an insect that fed on a plant is a
A first­level producer.
B first­level consumer.
C second­level producer.
D third­level consumer.
9 Each step in a food web or food chain is called a
A
B
C
D
producer.
consumer.
decomposer.
trophic level.
10 Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy some is used for the organism’s life processes, and the rest is
A used in reproduction.
B stored as body tissue.
C stored as fat.
D eliminated as heat.
11 What is the process by which bacteria convert nitrogen gas in the air to ammonia?
A nitrogen fixation
B decomposition
C excretion
D denitrification
12 Carbon cycles through the biosphere in all of the following processes EXCEPT
A photosynthesis.
B respiration.
C transpiration.
D decomposition.
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
13 The movements of energy and nutrients through living systems are different because
A energy flows in one direction and nutrients recycle.
B energy is limited in the biosphere and nutrients are always available.
C nutrients flow in one direction and energy recycles.
D energy forms chemical compounds and nutrients are lost asheat.
14 Which is most likely to be a limiting nutrient in a freshwater pond?
A phosphorus
B carbon
C nitrogen
D potassium
15 The branch of biology dealing with interactions among organisms and between organisms and their environment is called
A economy
B anthropology
C zoology
D ecology
E 16 The combined portions of Earth in which all living things exist is called the
A biome
B community
C ecosystem
D biosphere
17 All of the members of a particular species that live in one area is called a(an)
A biome
B population
C community
D ecosystem
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
18 The lowest level of environmental complexity that includes living and nonliving factors is the A biome
B community
C ecosystem
D biosphere
19 Plants are
A producers
B consumers
C herbivores
D omnivores
20 What is the original source of almost all the energy in most ecosystems?
A carbohydrates
B sunlight
C water
D carbon
21 Organisms that obtain nutrients by breaking down dead and decaying plants and animals are called
A decomposers
B omnivores
C autotrophs
D producers
22 All of the interconnected feeding relationships in an ecosystem make up a food
A interaction
B chain
C network
D web
23 In an area of 300 miles squared, you could find 150 fishers. Calculate the population density of the fishers. 24 A bird stalks, kills, and then eats an insect. Based on its behavior, which ecological terms describe the bird?
A herbivore, decomposer
B producer, heterotroph
C carnivore, consumer
D autotroph, herbivore
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
25 In the figure, the trophic levels illustrate
A the relative amount of energy at each level
B the amount of living organic matter at each level
C the relative number of individual organisms at each level
D that the producers outnumber first­level consumers
26 Most of the energy available to a consumer trophic level is used by organisms for
A transfer to the next trophic level
B respiration, movement and reproduction
C producing inorganic chemical compounds
D performing photosynthesis
27 Matter can recycle through the biosphere because
A matter is passed out of the body as waste
B matter is assembled into chemical compounds
C biological systems do not use up matter, they transform it
D biological systems use only carbon, oxygen, hydrogen, and nitrogen
28 The repeated movement of water between Earth's surface and the atmosphere is called
A the water cycle
B the condensation cycle
C precipitation
D evaporation
29 Which of the following is NOT recycled in the biosphere?
A water
B nitrogen
C carbon
D energy
30 Carbon cycles through the biosphere in all of the following processes EXCEPT
A photosynthesis
B transpiration
C burning of fossil fuels
D decomposition of plants and animals
31 How is carbon stored in the biosphere?
A in the atmosphere as carbon dioxide
B underground as fossil fuels and calcium carbonate rock
C in the oceans as dissolved carbon dioxide
D all of the above
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
32 Nitrogen fixation is carried out primarily by
A humans
B plants
C bacteria
D monkeys
33 Which of the following has a direct role in the nitrogen cycle?
A bacteria
B legumes
C decomposers
D all of the above
34 Organisms need nutrients in order to
A utilize hydrogen and oxygen
B carry out essential life functions
C recycle chemical compounds
D carry out nitrogen fixation
35 Biogeochemical cycling ensures that
A human activity will have no effect onelements, chemical compounds, and other forms of matter
B living organisms will not become limited in any one nutrient
C nutrients will be circulated throughout the biosphere
D many nutrients will not reach toxic concentrations in the biosphere
36 The rate at which organic matter is created by producers in an ecosystem is called
A a limiting nutrient
B fertilization
C an algal bloom
D primary productivity
37 If a nutrient is in such short supply in an ecosystem that it affects an animal's growth, the A animal becomes a decomposer
B substance is a limiting nutrient
C nutrient leaves the food chain
D ecosystem will not survive
38 The average year­to­year conditions of temperature and precipitation in a particular region are referred to as the region's
A weather
B latitude
C ecosystem
D climate
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
39 Each of the following is an abiotic factor in the environment EXCEPT
A plant life
B soil type
C rainfall
D temperature
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
Ecology Unit
Ecology Unit Part 2
Grade: 10th
Subject:Biology
Date:Oct 20th, 2014
1 If Dutch (Mrs. G's dog) consumed 3000 calories in 24 hours, but it was estimated that he lost 2400 calories in that same time period, what percent of Dutch's energy was lost? (type only the number ­ no units)
2 An organism's niche is
A the range of physical and biological conditions in which an organism lives and the way in which it uses those conditions
B all the physical and biological factors in the organism's environment
C the range of temperatures that the organism needs to survive
D a full description of the place an organism lives
3 Several species of warblers can live in the same spruce tree ONLY because they
A have different habitates within the tree
B eat different foods within the tree
C occupy different niches within the tree
D can find different temperatures within the tree
4 An interaction in which one organism captures and feeds on another organism is called
A competition
B sybiosis
C mutualism
D predation
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
5 Different species can share the same habitat, but competition among them is reduced if they
A reproduce at different times
B eat less
C increase their populations
D occupy different niches
6 No two species can occupy the same niche in the same habitat at the same time
A because of the interactions that shape the ecosystem
B unless the species require different abiotic factors
C because of the competitive exclusion principle
D unless the species require different biotic factors
7 A biome is identified by its particular set of abiotic factors and its
A average precipitation and temperature
B characteristic ecological community
C distance from the equator
D specific geographical location
8 A symbiotic relationship in which both species benefit is
A commensalism
B mutualism
C predation
D parasitism
9 Primary succession can begin after
A a forest fire
B a lava flow
C farm land is abandoned
D a severe storm
10 What is one difference between primary and secondary succession?
A Primary succession is slow and secondary succession is rapid
B Secondary succession begins on soil and primary succession begins on newly exposed surfaces
C Primary succession modifies the environment and secondary succesion does not
D Secondary succession begins with lichens and primary succesion begins with trees
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
11 Which of the following occurs during the ecological succession of an ecosystem?
A An ecosystem reaches a final, unchanging stage
B Changes occur that are caused by organisms outside the ecosystem
C Living organisms modify their environment a little at a time
D Parts of communities split off to form new communities
12 Which is a factor that could interrupt the progress of succession?
A colonization of surfaces by lichens
B different animals appearing at each stage
C another natural disturbance
D long­term fluctuations in climate
13 Climate conditions in a small area that differ significantly from the climate of the surrounding area are called
A natrual features
B microclimates
C biomes
D ecosystems
14 Which biome is characterized by very low temperatures, little precipitation, and permafrost?
A desert
B temperate forest
C tundra
D tropical dry forest
15 Which of the following is NOT one of the factors that play a role in population growth rate?
A immigration
B death rate
C emigration
D demography
16 A small farming community in Texas covers 14 square kilometers. There are 420 individuals who live within the town limits. What is the population density of this community?
A 0.03 individuals per square kilometer
B 53 individuals per square kilometer
C 30 individuals per square kilometer
D 10.24 individuals per square kilometer
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
17 Which of the following tells you population density?
A the number of births per year
B the number of frogs in a pond
C the number of deaths per year
D the number of bacteria per square millimeter
18 The movement of an organism into a given area from another area is called
A immigration
B emigration
C population shift
D carrying capacity
19 What must occur in a population for it to grow?
A The birthrate becomes higher than the death rate
B The birthrate stays the same and the death rate increases
C The birthrate becomes lower than the death rate
D The birthrate and the death rate remain the same
20 Which are two ways a population can decrease in size?
A immigration and emigration
B increased death rate and immigration
C decreased birthrate and emigration
D emigration and increased birthrate
21 When individuals of a population reproduce at a constant rate, it is called
A logistic growth curve
B exponential growth curve
C normal curve
D population curve
22 As resources in a population become less available, the population
A declines rapidly
B increases slowly
C reaches carrying capacity
D enters a phase of exponential growth
23 Which will reduce competition within a species' population?
A fewer individuals
B higher birthrate
C fewer resources
D higher population density
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
24 A limiting nutrient is to ecosystem productivity as a limiting factor is to population
A birthrate
B density
C growth rate
D immigration
25 Each of the following is a density­dependent limiting factor EXCEPT
A competition
B seasonal cycles
C crowding
D disease
26 Which would be least likely to be affected by a density­dependent limiting factor?
A a small, scattered population
B a population with a high birthrate
C a large, dense population
D a population with a high immigration rate
27 Which of the following is a density­independent limiting factor?
A earthquake
B disease
C emigration
D parasitism
28 A disease resulting in the deaths of one third of a dense population of bats in a cave would be A density­dependent limiting factor
B result of exponential growth
C density­independent limiting factor
D nutrient limiting factor
29 Demography is the scientific study of
A parasitism and disease
B modernized countries
C human populations
D none of the above
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
30 Which is a biotic factor that affects the size of a population in a specific ecosystem?
A average temperature of the ecosystem
B type of soil in the ecosystem
C number and kinds of predators in the ecosystem
D concentration of oxygen in the ecosystem
31 During a long period when there is no rainfall, a mountain lion may temporarily leave its usual hunting territory to drink from a farm pond. This behavior is probably due to A its need to find different foods to eat
B the change in an abiotic factor in its environment
C its need to find a new habitat
D the change in a biotic factor in its environment
32 The symbiotic relationship between a flower and an insect that feeds on its nectar is an example of
A mutualism
B parasitism
C commensalism
D predation
33 A predator can increase the numbers of certain species in its habitat by
A killing and eating the competitors of other species
B living symbiotically with other species
C avoiding certain prey species
D crowding out the species it does not eat
34 A series of predictable changes that occurs in a community over time is called
A population growth
B ecological succession
C climax community
D climate change
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
Ecology Unit
Ecology Unit Part 3
Grade: 10th
Subject:Biology
Date:Oct 20th, 2014
1 One of the main characteristics of a population is its
A change over time
B geographic distribution
C dynamics
D habitat
2 There are 150 Saguaro cactus plants per square kilometer in a certain area of Arizona desert. To which population characteristic does this information refer?
A growth rate
B geographic distribution
C age structure
D population density
3 What does the range of a population tell you that density does not?
A the number that live in an area
B the areas inhabited by a population
C the births per unit area
D the deaths per unit area
4 When the exponential phase of a logistic growth curve of a population ceases,
A the size of the population drops
B the size of the population stays the same
C population growth begins to slow down
D population growth begins to speed up
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
5 A biotic or an abiotic resource in the environment that causes population size to decrease is a A carrying capacity
B limiting nutrient
C limiting factor
D growth factor
6 All of the following are limiting factors EXCEPT A immigration
B competition
C predation
D human disturbances
7 An old­growth forest is
A a renewable resource
B a nonrenewable resource
C a microclimate
D poor in biodiversity
8 A reintroduced species is
A a once native species that has been returned to an area
B a once non­native species that has been returned to an area
C a once native species that has been emigrated
D a once non­native species that has been emigrated
9 Why are fossil fuels nonreweable?
A They require hundreds of millions of years to form
B Their ecosystems change forever when they are burned
C They are converted to carbon dioxide when they are burned
D They exist in a very small supply
10 Using renewable resources while ensuring that they are not depleted is a practice called
A sustainable development
B monoculture
C biological magnification
D subsistence hunting
11 An example of a sustainable­development practice is the use of beneficial insects like ladybugs to
A harm natural resources
B pollinate plants
C control unwanted pests
D eat unwanted plants
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Clash of Classes Review Ecology 2014 2015.notebook
October 29, 2015
12 The sulfur and nitrogen compounds in smog combine with water to form
A ozone
B ammonia
C acid rain
D chloroflurocarbons
13 Which of the following is NOT considered a sustainable­
development strategy for management of Earth's resources?
A contour plowing
B desertification
C aquaculture
D drip irrigation
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