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Ecology Review (Study Guide)

Last updated over 1 year ago
27 questions
5

Match the vocabulary to the definition

Draggable itemCorresponding Item
Mutualism
Relationship where both organisms benefit
Commensalism
Relationship where one organism benefits and the other is neither helped nor harmed
Abiotic
Relationship where one organism harms another
Biotic
Nonliving factors in the environment like temperature and nutrients levels
Parasitism
Living factors in the environment like plants, animals, and bacteria
5

Drag the traits to either primary and secondary succession

  • occurs after a fire or deforestation
  • first organism to settle are pioneer species
  • starts with soil
  • starts with no soil
  • occurs after a volcanic eruption or melting of a glacier
  • Primary Succession
  • Secondary Succession
5

Put the steps of secondary succession in order

  1. small grasses start to grow
  2. seed plants replace small plants
  3. wildfire destroys all the plants
  4. Large trees start to grow
  5. small plants like ferns start to grow
3

Match the word with the definition

Draggable itemCorresponding Item
Carrying capacity
Amount of organisms that enter a population
Immigration
Amount of organisms that exit a population
Emigration
The maximum number of organisms that an area can support
1

What do producers eat?

1

What do herbivores eat?

1

What do carnivores eat?

1

What do scavengers eat?

1

What do omnivores eat?

1

What is the role of decomposers? Click two

1

Another term for carnivore is

1

Another term for herbivore is

1

Another term for producer is

1

An organism that consumes other organisms is a

1

Look at the food web below to answer the following question:

Which organism is both a primary and secondary consumer?

1

Look at the food web below to answer the following question:

Which organism is an omnivore?

1

Look at the food web below to answer the following question:

What would happen to the hawk population if there was a decrease in grouse population?

1

Look at the food web below to answer the following question:

Which two organisms are in competition?

3

In the food web, identify all the organisms that are primary consumers?

3

In the food web, identify the top carnivore?

3

Using the food web, fill in the ecological pyramid.

1

Determine how much energy is transferred to the ladybug, if plants contain 50,000 calories

1

Remora fish can attach themselves to larger aquatic animals, such as whales. When the whales eat, the fish detach themselves and eat leftover scraps of food. These fish do not harm or help the whales.
What is the ecological relationship between the remora fish and the whales?

1

The Karner blue butterfly has been listed as an endangered species since 1992. Karner blue butterfly larvae feed only on wild lupine plants, which require a habitat with dry soil and exposure to direct sunlight.
Which of the following would be the best habitat for wild lupine that could help Karner blue butterfly populations recover?

1

A large decrease in the sea otter population would most likely cause the size of which of the following populations to increase the most?

1

Which of the following statements best describes how an increase in the size of a mammal population could be related to a large surplus of food?

1

The graph below shows the estimated number of orca whales off the coast of Washington State over a 20-year period
Which of the following best explains the orca population changes between 1996 and 2002?