Practice Questions

TLS Online TPP Program

#Question id: 3458

Which of the following examples reflects the concept of optimal foraging?

#Section 4: Behavioural Ecology

During foraging, a mule deer will consume food as soon as it finds it, regardless of the location.
A cheetah will continue a chase for prey, regardless of how long the chase lasts or how much energy is consumed.
A moose spends more time looking for food when the food is high quality than when the food is low quality.
If an animal is hungry it will consume food as soon as it is found, regardless of the food quality or the risk.

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TLS Online TPP Program

#Question id: 10718

#Section 1: Ecology

A researcher collects data on plant species composition in two habitats (P and Q) by using 10 quadrats each in both habitats. She calculates the average a-diversity and the 13-diversity of each habitat from this data (shown below). Which of the following can be inferred about these habitats?

A) Q has greater total diversity (γ) and more heterogeneous than P

B) Q has lower total diversity (γ) and less heterogeneous than P

C) P has lower total diversity (γ) and more heterogeneous than Q

D) P has greater total diversity (γ) and more heterogeneous than Q

TLS Online TPP Program

#Question id: 10719

#Section 1: Ecology

Five Hypotheses Explain How Species Richness Affects Community Services, Following statement are given

A) Community services decline with decreased species richness in a stepwise fashion.

B) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

C) Species richness declines even slightly from its natural levels, community services are reduced immediately

D) Community services change as the number of species increases or decreases, but that the direction of change is not predictable.