Ecology Review

What is the carrying capacity for this sheep population?

• 1.8 million

• 1.25 million

• 1.6 million

• 1.o million

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What type of growth is shown in the graph?

• exponential growth

• logistic growth 

• predator-prey cycle

• boom-bust curve

Which statement best explains section X of the graph?

• The deer population could grow larger in this environment

• Deer populations grow exponentially because there are no limiting factors

• the population has reached the carrying capacity of its environment

• Deer populations do not change once they reach equilibrium

Tags

NGSS.MS-LS2-4

In a forest, the carrying capacity for squirrels is about 100. If humans cut down part of the forest to build houses, what will happen to the carrying capacity for the squirrels?

• It should increase

• It should decrease

• It will most likely stay the same

• All the squirrels will die

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

When a specific population grows past the ecosystem's carrying capacity, what happens to the population?

• Density Independent limiting factors like temperature drive the population back down.

• Density Dependent limiting factors like competition drive the population back below carrying capacity.

• The population will decline and go extinct due to lack of resources.

• The population stays at that level, bringing the carrying capacity up.

Mussels are limited by space since they need to attach directly to rocks. A new rock rolls into the water from on land. Which of the following represents the growth curve on the new rock.

• 
• 
• 
• 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following organisms are paired correctly with their role in the community?

• Grass - Primary Consumer

• Grasshopper - Secondary Consumer

• Hawk - Tertiary and secondary consumer

• Snake - Primary consumer

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

All food webs and food chains begin with _________________.

• Primary Consumers

• Producers

• Secondary Consumers

• Predators

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores?

• 10Kcal

• 1Kcal

• 100Kcal

• 1000Kcal

Tags

NGSS.MS-LS2-3

Which level has greatest amount of biomass?

• Tertiary Consumers

• Secondary Consumers

• Primary Producers

• Primary Consumers

Tags

NGSS.MS-LS2-3