Vocab
Patterns in Relationship
Ecological Balance
Populations & Communities
Investigate
100
An organism that is killed and eaten by another organism.
Prey
100
Some insects consume nectar from flowering plants and help the plant by spreading pollen. What type of relationship does this demonstrate? a. Parasitic b. Symbiotic c. Competitive d. Predator-prey
b. Symbiotic
100
An increase in salmon and trout fishing by humans will result in which of the following? a. Greater plant productivity. b. A reduced food supply for eagles. c. Reduced tourism on the Great Lakes d. An increase in the life expectancy of ducks.
b. A reduced food supply for eagles.
100
What is a group of organisms of the same species living in the same area at the same time called? a. A species b. A population c. A community d. An ecosystem
b. A population
100
"A group of students decided to study the different kinds of birds observed near their school. They counted the number of species present and the number of birds in each species. Which of the graph axes below would be the best for reporting their results?"
B
200
An area that has little or no plant life, long periods without rain, and extreme temperatures, usually found in hot climates.
Desert
200
How can honeybees and lilies be mutually beneficial? a. Honeybees pollinate many types of flowers, including lilies. b. Honeybees get nectar from lilies, and lilies are pollinated by honeybees. c. Honeybees are used to make honey, and lilies are used to make bouquets. d. Honeybees find nectar and lilies find the right amount of sunlight near woods.
b. Honeybees get nectar from lilies, and lilies are pollinated by honeybees.
200
Which item is a biotic part of this ecosystem? a. Light b. Snail c. Sand d. Water
b. Snail
200
Which of the following would cause the cattail population in a wetland to change? a. A summer rainstorm b. Humans kayaking and canoeing c. The migration of ducks as the seasons change d. The introduction of a competitive invasive species
d. The introduction of a competitive invasive species
200
Which of the fish species above would be most likely to survive the impact of global warming? a. Species 1 b. Species 2 c. Species 3 d. Species 4
c. Species 3
300
A relationship in which 2 different organisms live in close association with each other.
Symbiosis
300
What best describes the relationship between the clownfish and anemone in the diagram above? a. Parasitic b. Competitive c. Predator-prey d. Mutually beneficial
d. Mutually beneficial
300
The increasing human population has caused which of the following? a. Climate change b. Decreased pollution c. Fewer species becoming extinct d. More abundant natural resources
a. Climate change
300
The great horned owl is a large, powerful bird. They are night hunters and they eat rodents, squirrels, rabbits, skunks, raccoons, ducks, chickens (and other birds), snakes, toads, fish and occasionally road-killed animals. They have even been known to eat cats and small dogs. Suppose all of the raccoons disappeared from the great horned owls food web. What effect would this most likely have on the great horned owl? a. It would become extinct b. There would be little effect on its population. c. Its population would move to a new habitat. d. Its population would decrease and then reach a natural balance.
b. There would be little effect on its population.
300
Of the following, which is the correct sequence for the flow of energy in a food chain? a. Producers > consumers > decomposers b. Decomposers > producers > consumers c. Consumers > decomposer > producers d. Consumers > producers > decomposers
a. Producers > consumers > decomposers
400
An organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients.
Decomposer
400
Which of the following is an example of how plankton are beneficial to humans? a. Plankton are a food source for humans b. Plankton clear out dead animals c. Plankton provide food for fish which humans can eat d. Plankton are parasites that take out unwanted bacteria
c. Plankton provide food for fish which humans can eat
400
Swans are territorial and each pair needs a large amount of space. A small lake can only support one nesting pair of swans, but when a man-made lake is enlarged, the swan population increases. What does this scenario demonstrate? a. Human activity positively altering an ecosystem b. Human activity having no impact on an ecosystem c. Human activity accidentally destroying an ecosystem d. Human activity intentionally destroying an ecosystem
a. Human activity positively altering an ecosystem
400
Rabbits introduced into Australia over 100 years ago have few effective predators. Which of the following describes the possible impact of this new species on the environment? a. Native plant eaters were displaced b. Plant species became more diverse c. The food chain became more balanced d. Completing animal populations increased
a. Native plant eaters were displaced
400
Based on the graph above, what can be concluded about the two species? a. Species B has a greater population than species A. b. Species A and species B have no effect on each other. c. As the population of species A increases, species B decreases. d. Species A and species B are affected the same way by the ecosystem.
d. Species A and species B are affected the same way by the ecosystem.
500
A domain made up of prokaryotes that usually have a cell wall and that usually reproduce by cell division.
Bacteria
500
How is the relationship between the small fish and the invertebrates in the diagram above best described? a. Predator-prey b. Producer-predator c. Consumer-parasite d. Decomposer-consumer
a. Predator-prey
500
What would happen to this ecosystem if there was an overpopulation of deer? a. The habitat would become polluted. b. The climate would begin to change c. There would not be enough plants to support the habitat. d. There would be too many mice and they would invade houses.
c. There would not be enough plants to support the habitat.
500
Which of the organisms gets its food energy by decomposing organic material? a. Small fish b. Vegetation c. Invertebrates d. Bacteria and fungi
d. Bacteria and fungi
500
Suppose that in a certain area, mice are the main food supply for wolves. Based on the graph above, in which year would there be the least amount of competition among wolves for food? a. 1975 b. 1980 c. 1985 d. 1990
c. 1985
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