MCAS Ecology Review

3

Match the vocabulary to the definition

Draggable item		Corresponding Item
Mutualism		Relationship where both organisms benefit
Commensalism		Relationship where one organism benefits and the other is neither helped nor harmed
Parasitism		Relationship where one organism harms another

3

Match the word with the definition

Draggable item		Corresponding Item
Immigration		Amount of organisms that enter a population
Emigration		Amount of organisms that exit a population
Carrying capacity		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

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

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?

Match the vocabulary to the definition

Match the word with the definition

What do producers eat?

What do herbivores eat?

What do carnivores eat?

What do scavengers eat?

What do omnivores eat?

What is the role of decomposers? Click two

Another term for carnivore is

Another term for herbivore is

Another term for producer is

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?

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

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?

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

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?

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?

In this food web, which organism is both a primary and secondary consumer?

Determine if the following situation will lead to an increase or decrease in sea otter population.
A law passed that results in less fishing in the area

Determine if the following situation will lead to an increase or decrease in sea otter population.
Chemical runoff from a factory kills small fish and crabs

Determine if the following situation will lead to an increase or decrease in sea otter population.
Warmer ocean temperatures cause more algae in the area

Determine if the following situation will lead to an increase or decrease in sea otter population.
Invasive species of sea star preys on sea urchins in the area

Determine if the following situation will lead to an increase or decrease in sea otter population.
More sharks migrate to the area

MCAS Ecology Review

Match the vocabulary to the definition

Match the word with the definition

What do producers eat?

What do herbivores eat?

What do carnivores eat?

What do scavengers eat?

What do omnivores eat?

What is the role of decomposers? Click two

Another term for carnivore is

Another term for herbivore is

Another term for producer is

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?

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

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?

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

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?

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

In this food web, which organism is both a primary and secondary consumer?

Determine if the following situation will lead to an increase or decrease in sea otter population.A law passed that results in less fishing in the area

Determine if the following situation will lead to an increase or decrease in sea otter population.Chemical runoff from a factory kills small fish and crabs

Determine if the following situation will lead to an increase or decrease in sea otter population.Warmer ocean temperatures cause more algae in the area

Determine if the following situation will lead to an increase or decrease in sea otter population.Invasive species of sea star preys on sea urchins in the area

Determine if the following situation will lead to an increase or decrease in sea otter population.More sharks migrate to the area

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?

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?

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?

Determine if the following situation will lead to an increase or decrease in sea otter population.
A law passed that results in less fishing in the area

Determine if the following situation will lead to an increase or decrease in sea otter population.
Chemical runoff from a factory kills small fish and crabs

Determine if the following situation will lead to an increase or decrease in sea otter population.
Warmer ocean temperatures cause more algae in the area

Determine if the following situation will lead to an increase or decrease in sea otter population.
Invasive species of sea star preys on sea urchins in the area

Determine if the following situation will lead to an increase or decrease in sea otter population.
More sharks migrate to the area