Untitled Quiz

Who is credited with the initial observations and study of food relationships on Bear Island in the Arctic Circle?

On Bear Island, food was abundant both on land and in the sea, according to initial observations.

What term did Charles Elton use to describe the relationships between marine animals, seabirds, arctic foxes, and polar bears on Bear Island?

Charles Elton's investigations on Bear Island revealed that marine animals are consumed by birds and ______.

Match the organisms with their roles in the Bear Island food web:

Which element found in bird droppings plays a role in the nutrient cycle?

The presence of thick ice belts made Nordaustland accessible for Elton's research.

What was the primary reason for the abandonment of the trip to Nordaustlander during Elton's research?

Elton's attempt to reach Nordaustlander was unsuccessful, leading the crew to stop at ______.

Match the location with the challenge faced during exploration of the location:

What misconception about lemmings was debunked?

The Disney film 'White Wilderness' accurately portrayed lemming behavior.

What term is used to describe the years with significant increases in the lemming population?

Lemming populations tend to increase periodically every ______ years.

Match each phenomena to its theory:

What environmental factor is theorized to contribute to increased lemming populations during certain years?

Zoologists always assumed animal populations remained steady prior to Elton's work.

What type of records did Elton use to study increases in arctic fox, lynx and peregrine populations?

Elton studied the fluctuations in animal populations and their causes and ______.

Match the animal role with its classification:

According to the concept of food chains, which level is typically the most abundant?

Carnivores are described as organisms with no enemies in a food chain.

What is the basic feeding class in an animal society, according to the text?

The text refers to food as the ______ of animal economies.

Match the role to the class of animal:

In the English Oak example, which organisms represent the top of the food chain?

In the English Oak example, carnivorous insects are more numerous than herbivorous insects.

In the English Oak example, which consumes some of the insects and are then preyed upon by other carnivores?

The organisms that serve as the most numerous small herbivores in the English Oak example are ______.

Which of the following is an example of a consumer?