Ecosystems Quiz

Bird & Tree: A bird builds a nest in a hole in the trunk of the tree. It is protected from the rain and predators. The tree is not harmed or helped by the bird.

• Mutualism

• Commensalism

• Parasitism

• Competition

Starfish are probably the most important predator in the shallow ecosystem because they eat basically anything that they can come across. Their feeding activities control the whole ecosystem. This is an example of the starfish ___.

• habitat
• biotic factors
• tolerance level
• niche

Tags

NGSS.MS-LS2-4

All the different populations that live together in an area make up a(n)

• community.
• ecosystem.
• organism.
• species.

Several species of warblers can live in the same spruce tree ONLY because they

• have different habitats within the tree.
• don’t eat food from the tree.
• occupy different niches within the tree.
• can find different temperatures within the tree.

Tags

NGSS.MS-LS2-4

All of the following statements concerning characteristics of predator-prey relationship are correct EXCEPT:

• Camouflage is an adaptation that protects prey.
• A rise in the population of predators is followed by a decreased in the population of prey.
• A rise in the population of prey is often followed by a rise in the population of predators.
• The population of predators most often eliminates the population of prey

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

When two species of cattails are grown together, they grow at different water depths and coexist.  When grown alone, they grow at similar water depths.  Which of the following is best demonstrated by the data?

• natural selection
• character displacement
• resource partitioning
• ecological succession

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

What is the difference between a primary vs. secondary succession?

• secondary occurs where there was no previous community
• they are the same
• secondary occurs in an area that was only partially destroyed
• primary ocurs in an area that was only partially destroyed

A key stone species is...

• the top carnivore.
• has the largest population.
• has the most specialized niche.
• determines numbers and types of other species.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What is the name given to lichen or algae after a primary succession?

• pioneer species
• volunteer species
• founder species
• conqueror species

Tags

NGSS.MS-LS2-3

___ states that two species cannot exist together if they compete for the same resources. One will either die out or migrate, or they will adapt to separate resources.

• Hardy-Weinberg Principle
• Limiting Nutrient Principle
• Competitive Exclusion Principle
• Tolerance Principle

Tags

NGSS.MS-LS2-1