Ecology Review

Animals, such as fiddler crabs, advertise the size of their enlarged claw to intimidate their rivals. This territorial display is an example of what type of relationship?

• predation
• commensalism
• competition
• mutualism

Tags

NGSS.MS-LS2-2

A common food web in a grassland would be grass > mice > snake > hawk. If these organisms live next to a farmer's field that regularly uses an ammonium nitrate fertilizer.  Which would have the highest concentration?

• snake
• hawk
• mice
• grass

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-ESS3-4

Oxpeckers are birds that sit on zebras and rhinos and eat ticks and other parasites that live on their skin. The oxpeckers get food and in return the zebras and rhinos get pest control. When there is danger, the oxpeckers fly upward and scream a warning to help the zebras and rhinos.  Which of the following correctly identifies the symbiotic relationship between the oxpeckers and the zebras? 

• parasitism
• commensalism
• mutualism
• competition

Tags

NGSS.MS-LS2-4

Which of the following lists the level of biological organization in order, from least inclusive to most inclusive? 

• individual, community, population, ecosystem, biosphere, biome 
• individual, population, community, ecosystem, biome, biosphere 
• individual, community, ecosystem, population, biome, biosphere 
• individual, population, ecosystem, community, biosphere, biome 

What are the likely long-term effects on ecosystems if greenhouse gas emissions combined with human over-exploitation of land continue to increase? 

• no long-term effects on population numbers and species diversity. 
• temporary effects on population numbers and species diversity 
• an increase in population numbers and species diversity 
• a decrease in population numbers and species diversity 

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-ESS3-4

Ecology is the study of .

• life

• Interactions among organisms and their environments

• interactions among organisms

• how traits are passed from parents to offspring

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Which of the following is abiotic?

• A tree in a forest.

• Wood from the tree on the forest floor.

• A termite on the tree.

• The soil the tree is growing in.

Tags

NGSS.MS-LS2-3

An ongoing relationship in which one organism benefits and the other is harmed.

• A. Predator & Prey

• B. Mutualism

• C. Commensalism

• D. Parasitism

Some limiting factors that affect populations include lack of food, lack of water, lack of living space, and the spread of disease.

• True

• False

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

An organism’s habitat is where it lives.

• True

• False