Organism Interactions

1.

Multiple Choice

30 sec

1 pt

Which answer best represents the community level of organization in an ecosystem?

A pack of lions.

Different species of fish, rocks, water, and plankton.

Birds, grass, and trees.

The lithosphere and atmosphere.

2.

Multiple Choice

30 sec

1 pt

Which answer best represents the population level of organization in an ecosystem.

A lone dove.

Hyenas and lions.

A school of capelin.

The earth.

3.

Multiple Choice

30 sec

1 pt

Which answer best represents the organism level of an ecosystem?

Zooplankton eating phytoplankton.

Whales and cod hunting capelin.

A peregrine falcon.

Thousands of soldier crabs.

4.

Multiple Select

30 sec

1 pt

In The Hunt, the bottlenose dolphins used what strategy to catch the fish?

Made loud noises underwater to stun the fish.

Beached themselves on their right side.

Created a bow wave to push the fish onto shore.

Used the seagulls to force the fish into the water.

5.

Multiple Choice

30 sec

1 pt

Select an answer that accurately reflects the relationship between the two organisms.

Plant & Meat-Eating Animal - Competitive

Hawk & Soil - Dependent

Plant & Soil - Competitive

Hawk & Meat-Eating Animal - Competitive

6.

Multiple Select

30 sec

1 pt

Select the answer(s) that accurately reflects the relationship between the two organisms.

Plant & Water - Competitive

Hawk & Plant-Eating Animal - Dependent

Cow and Meat-Eating Animal - Dependent

Hawk & Plant-Eating Animal - Competitive

7.

Multiple Choice

30 sec

1 pt

A ____________________ is defined as a self-contained living thing.

Population

Community

Biosphere

Organism

Biome

8.

Multiple Choice

30 sec

1 pt

_____________________ is defined as a group of interacting organisms of the same species located in the same area.

Organism

Population

Community

Ecosystem

9.

Multiple Choice

30 sec

1 pt

_____________________ is defined as a group of interacting organisms of various species in the same area.

Community

Organism

Population

Biosphere

10.

Multiple Choice

45 sec

1 pt

____________________ is defined as a system comprising all the biotic and abiotic factors in an area and all the interactions among them.

Dependent Interaction

Organism

Competitive Interaction

Ecosystem

11.

Multiple Choice

30 sec

1 pt

_____________________ competition occurs between individuals of the same species.

Consumer

Producer

Intraspecific

Interspecific

12.

Multiple Choice

30 sec

1 pt

____________________ competition occurs between individuals of different species.

Intraspecific

Predator

Organism

Interspecific

13.

Multiple Choice

30 sec

1 pt

When an organism depends on a factor for survival, this is a _______________ interaction.

Dependent

Environmental

Ecosystem

Competitive

14.

Multiple Choice

30 sec

1 pt

Resources that control the size a population can reach are known as ____________________.

Niche

Adaptations

Habitat

Limiting Factors

15.

Multiple Choice

30 sec

1 pt

Competition occurs more frequently as resources become ____________________.

Limited

Abundant

Excessive

Infinite

16.

Multiple Choice

30 sec

1 pt

An increase in which of the following is likely to contribute to competition between two members of the same species living in a certain habitat?

Available food resources.

Population of the species.

Annual rainfall.

Overall size of the habitat.

17.

Multiple Choice

1 min

1 pt

Bighorn sheep and mountain goats live together in the same habitat. There will be competition between the bighorn sheep and mountain goats only if which of the following is true?

Bighorn sheep hibernate during the winter while mountain goats remain active.

Erosion in the habitat affects the both animals ability to safely raise their young and decreases their populations.

Both bighorn sheep and mountain goats feed on the same grasses.

Laws prevent human from being able to hunt bighorn sheep or mountain goats.

18.

Multiple Choice

1 min

1 pt

The population of deer in a certain area is monitored over a period of six years. The data is represented in the graph provided. Which of the following is the most likely explanation for the change in population in 2009?

Wolves, which prey on deer, were being hunted more than usual.

Rainfall in the previous spring was higher than the yearly average.

Humans introduced grazing animals that feed on the same plants as the deer.

More insects that pollinate flowering plants move into the habitat.

19.

Multiple Choice

45 sec

1 pt

Two species of fish live in the same pond. They eat the same kinds of plants. They are eaten by the same water birds. Which of the following would increase competition between these two species of fish?

Average habitat temperature increases.

Population of water birds increases.

Number of food plants increases.

Water level in the pond decreases.

20.

Multiple Choice

45 sec

1 pt

Examine the diagram. Based on the diagram, which two organisms compete for food?

Phytoplankton and Zooplankton

Squid and Phytoplankton

Silverfish and Krill

Squid and Penguin

21.

Multiple Choice

45 sec

1 pt

Examine the diagram. Based on the diagram, which two organisms have a dependent interaction?

Squid and Penguin

Silverfish and Krill

Zooplankton and Penguin

Zooplankton and Sun

22.

Multiple Choice

1 min

1 pt

Prairie dogs are small mammals that live in underground burrows in grassland prairie ecosystems. How do prairie prairie dogs depend on these burrows?

For shelter.

For meeting other prairie dogs.

For looking tough.

For sleeping.

23.

Multiple Choice

1 min

1 pt

What data would be most helpful to support the claim that the population of a certain plant is dependent on the rainfall in its habitat.

The average amount of water absorbed by the roots and given off by the leaves of these plants.

The amount of water retained in the soil in the area where the plants live.

Rainfall amounts and number of these plants in a certain habitat over several years.

The heights and number of leaves produced by these plants under different moisture conditions.

24.

Multiple Choice

1 min

1 pt

The milkweed plant serves and important role in the life cycle of the monarch butterfly. Adult monarchs lay their eggs in milkweed, and then caterpillars eat that same plant during their development. Based on the relationship between the monarchs and milkweed, which of the following trends would be predicted when looking at data on the populations of these two organisms?

Population decrease in monarch butterflies should follow population decrease in milkweed.

Population of monarch butterflies should remain constant when milkweed population decreases.

Population increase in monarch butterflies should follow population decrease in milkweed.

Population of milkweed should remain constant when monarch butterfly population increases.

25.

Multiple Choice

1 min

1 pt

The graph provides data on the populations of four organisms that share a habitat. This data supports a claim that which two organisms depend on each other.

Organism 1 and Organism 2

Organism 2 and Organism 3

Organism 3 and Organism 4

Organism 1 and Organism 4

26.

Multiple Choice

30 sec

1 pt

In a forest habitat, select the correct description of the relationship between rabbits and foxes.

Rabbits are competitive with Foxes

Foxes are competitive with Rabbits

Rabbits are dependent on Foxes.

Foxes are dependent on Rabbits.

27.

Multiple Choice

1 min

1 pt

Select the best explanation as to why the wolf population decreased dramatically in the graph.

Bears were introduced, which provided competition to the wolves.

The moose began hunting the wolves.

The moose are competitive with the wolves, and began dominating the same resources.

The wolves are dependent on the moose, so when the moose population decreased there wasn't enough food to support the large wolf population.

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