Ecology Final Review

Ticks living on the blood of a dog or human are an example of what type of relationship?

• Commesalism
• Predator/Prey
• Mutualism
• Parasitic

Tags

NGSS.MS-LS2-2

What is the Zebra muscle?

• Prey
• Producer
• Invasive specie
• Parasite

Tags

NGSS.MS-LS2-4

Which of the following is an example of mutualism?

• One organism helped the other killed
• Both organisms are helped
• Both organisms are killed
• One organism helped, the other does not care

Tags

NGSS.MS-LS2-2

What animal might replace a mountain lion in a food web?

• Wolf
• Humans
• Vulture
• Beaver

Tags

NGSS.MS-LS2-3

What factor has the most impact on the number of predators in an ecosystem?

• The number of predators in the ecosystem
• How much shelter is available
• The amount of sunlight in the ecosystem
• The number of prey in the ecosystem

Tags

NGSS.MS-LS2-4

What is an example of commensalism?

• One organism is helped and the other is hurt
• Both organisms are hurt
• One organism is helped and the other is not affected
• Both organisms are helped

Tags

NGSS.MS-LS2-2

If the bird population and the rabbit population is over hunted, what is most likely to happen?

• The Grasshopper population will go up
• Less of a food supply for the Fox
• Less people will visit the area
• Plants will grow out of control

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

NGSS.MS-LS2-1

Wolves are a limiting factor in an ecosystem because if their population?

• decreases, the population of the rabbits will decrease 
• increase, the rabbit population will stay the same
• increases, the population of the rabbits will increase
• increases, the population of the rabbits will decrease

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What statement describes the most likely relationship between these two populations?

• An increase in predator population will cause a decrease in the prey population
• An increase in prey population will  cause a decrease in the predator population
• An increase in the predator population will causes the prey population to have more offspring
• An increase in the prey population will cause more plants to grow

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

In any food web, a reduction in which of the following organisms will have the greatest effect?

• Primary consumers
• Producers
• Secondary consumers
• Decomposer

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3