Ch5: Higher Level Ecology

The struggle for a resource that is in limited supply is called...

• Predation

• Competition

• Symbiosis

• Adaptation

Which of the following is an example of 'SCRAMBLE' competition?

• 2 male deer fighting for a female mate

• Two robins fighting for territory

• Two plants competing for light and space

2 male deers fighting for a mate is known as what type of competition?

• Scramble

• Contest

• Inter-species

• Predation

Any alteration that helps improve an organism's chance of survival and reproduction is known as..

• Adaptation

• Eutrophication

• Symbiosis

• Predation

What happens to the number of predators if the amount of prey increases?

• Stays the same

• Increases

• Decreases

• Has no effect

A relationship between 2 organisms where at least one benefits is known as..

• Symbiosis

• Mutalism

• Predation

• Parasitism

A relationship whereby one organism benefits while the other is harmed by the relationship is known as...

• Mutalism

• Parasitism

• Adaptation

• Contraception

A relationship where 2 organisms of different species live in close proximity and BOTH benefit is known as...

• Predation

• Parasitism

• Mutualism

• Symbiosis

Which of the following is responsible for the sharp growth in the population of humans?

• Effects of war

• Effects of famine

• Advances in medicine

• Contraception such as condoms

What effect does a decrease in predator numbers have on the numbers of prey?

• Increases them

• Stays the same

• Decreases them

• Has no effect