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Grade 11 Evolution
Grade 9 Communities, Populations, and Ecosystems
The maximum amount of individuals an environment can support is the
  1. population size.
  2. carrying capacity.
  3. population model.
  4. population density.
Grade 10 Communities, Populations, and Ecosystems
Grade 5 Communities, Populations, and Ecosystems
In an ecosystem, birds depend on insects to survive. If someone spreads pesticide to control the insect population, which of the following is most likely to happen?
  1. The bird population will increase.
  2. The bird population will decrease.
  3. The bird population will decrease, then increase.
  4. The bird population will increase, then decrease.
Grade 8 Conservation and Biodiversity
Pesticides used by humans have killed many of the herbivores in an ecosystem. What will most likely happen?
  1. The populations of plants will increase, and the populations of carnivores will decrease.
  2. The populations of carnivores will increase, and the populations of plants will decrease.
  3. The populations of both plants and carnivores will decrease.
  4. The populations of both plants and carnivores will increase.
Grade 5 Communities, Populations, and Ecosystems
In an ecosystem, birds depend on insects to survive. If someone spreads pesticide to control the insect population, which of the following is most likely to happen?
  1. The bird population will increase.
  2. The bird population will decrease.
  3. The bird population will decrease, then increase.
  4. The bird population will increase, then decrease.
Grade 5 Communities, Populations, and Ecosystems
In an ecosystem, birds depend on insects to survive. If someone spreads pesticide to control the insect population, which of the following is most likely to happen?
  1. The bird population will increase.
  2. The bird population will decrease.
  3. The bird population will decrease, then increase.
  4. The bird population will increase, then decrease.
Grade 5 Communities, Populations, and Ecosystems
If a population's needs are not met, then what could happen?
  1. The population would grow.
  2. The population may get smaller.
  3. The population would not change.
Grade 9 Communities, Populations, and Ecosystems
Emigration is known for changes in population that result in
  1. no change.
  2. a population increase.
  3. a population decrease.
  4. no change initially but a decrease in population eventually.
College Communities, Populations, and Ecosystems
Grade 10 Conservation and Biodiversity
Polar bears swim across large expanses of ocean while hunting for seals, their main source of food. The bears use sea ice as resting spots during their long swims. However, the sea ice is rapidly melting as a result of global warming. Which statement describes what MOST LIKELY will happen if global warming continues at its present rate?
  1. Polar bear and seal populations will both increase.
  2. Polar bear populations will decrease, and seal populations will decrease.
  3. Polar bear populations will increase, and seal populations will decrease.
  4. Polar bear populations will decrease, and seal population will remain the same.
Grade 7 Evolution
Over a period of years, the average rainfall in an area decreases, causing environmental changes. Which of the following populations would be most likely to survive these environmental changes?
  1. a population with the greatest amount of genetic variation
  2. a population with the least amount of genetic variation
  3. a population that has been altered through artificial selection
  4. a population with the smallest population size
Grade 4 Food Chains and Webs
When a predator population's food supply gets larger,
  1. the predator population gets larger
  2. the predator population dies
  3. the predator population gets smaller
  4. the predator population uses adaptations
Grade 6 Social Studies
Which figure is a measurement of how crowded a country is?
  1. birthrate
  2. death rate
  3. population
  4. population density
Grade 6 Geography
Which figure is a measurement of how crowded a country is
  1. birthrate
  2. death rate
  3. population
  4. population density
Grade 8 Communities, Populations, and Ecosystems
Which choice lists the levels of organization in an ecosystem from smallest unit to largest?
  1. Population, organism, community, ecosystem
  2. Organism, population, ecosystem, community
  3. Organism, community, population, ecosystem
  4. Organism, population, community, ecosystem
Grade 9 Bodies of Water and Continents
South America is                            , with a population of around 387 million.
  1. 6th most populous continent
  2. 7th most populous continent
  3. 4th most populous continent
  4. 5th most populous continent
Grade 11 Communities, Populations, and Ecosystems
Which list is the levels of organization in an ecosystem in the correct order?
  1. population, community, ecosystem, individual
  2. community, population, ecosystem, individual
  3. individual, community, population, ecosystem
  4. individual, population, community, ecosystem
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