Community Ecology

A human & a Tape Worm: The tape worm gets a place to live in the intestines of the human and food from the human. The human loses weight and nutrients from the tape worm.

• Mutualism
• Commensalism
• Parasitism

Tags

NGSS.MS-LS2-2

What is the term for each step in the transfer of energy and matter within a biological community?

• energy path
• food web
• trophic level
• food pyramid

Tags

NGSS.MS-LS2-3

The energy at each trophic level in the pryamid of energy decreases by a factor of ____.

• 10
• 1
• 100
• 2

Tags

NGSS.MS-LS2-3

Food webs are models that show

• one sequence of producers and consumers.

• complex networks of feeding relationships.

• stored energy in food chains

• only primary consumers in an ecosystem

Tags

NGSS.MS-LS2-3

Rabbits and deer eat lettuce leaves from a garden.
^{What ecological interaction describes the relationship between rabbits and deer?}

• Mutualism
• Competition
• Commensalism
• Predation

Which statement best describes the relationship between species A and B?

• Species A is the prey of Species B

• Species A is a parasite of Species B

• Species A is a consumer and B is a producer

• Species A and B has a mutualistic relationship

Tags

NGSS.MS-LS2-2

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism
• mutualism
• parasitism
• predation

Tags

NGSS.MS-LS2-2

___ 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

Starfish are considered ___ because if the species is negatively affected, it’s going to have a disproportionately greater effect on the whole ecosystem.

• a keystone species
• an invasive species
• an exotic species
• an introduced species

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Groups of species that live in a given area and interact are called a(n)...

• Community
• Colony
• Population
• Ecosystem