Distribution Quiz

What are biotic factors?

• Non-living factors

• Living factors

• Chemical factors

• Physical factors

Predation is an example of:

• Abiotic factor

• Biotic factor

• Chemical factor

• Physical factor

What does the graph in the image illustrate about predator-prey relationships?

• As prey numbers increase, predator numbers decrease.

• As prey numbers increase, predator numbers increase shortly afterwards.

• As prey numbers decrease, predator numbers increase.

• Predator numbers remain constant regardless of prey numbers.

Which sampling equipment is used to measure temperature?

• Light Meter

• Moisture Meter

• Thermometer

• pH Meter

Why is it generally impossible for a scientist to count every organism present in an ecosystem?

• Because ecosystems are too small.

• Because ecosystems are too complex.

• Because ecosystems are too simple.

• Because ecosystems are too predictable.

How do we measure the abundance of organisms in an area using quadrats?

• By counting the total number of individual organisms

• By counting the number of squares the organism is found in

• By measuring the weight of the organisms

• By measuring the height of the organisms

What is the main advantage of using quadrats in ecological studies?

• They are easy to use

• They provide accurate estimates of population size

• They are inexpensive

• They can be used in any environment

Which of the following is an example of a slow-moving organism that can be sampled using a quadrat?

• Birds

• Fish

• Shells

• Insects

Which of the following is a method used to estimate population size in an ecosystem?

• Mark and recapture

• Direct observation

• Random sampling

• Quadrat sampling

What is the primary purpose of using a transect in ecological studies?

• To measure the height of plants

• To estimate the population size of animals

• To study the distribution of organisms across a habitat

• To collect soil samples