Interspecific Competition

When a pine tree grows real tall and blocks sunlight to another pine tree it is _______ competition.

• Interference
• Intraspecific
• Interspecific
• Exploitative

Tags

NGSS.MS-LS2-2

Which factor promotes competition between organisms in an ecosystem?

• cycling of minerals

• limited resources

• decomposition of organic matter

• presence of saprophytes

Tags

NGSS.MS-LS2-1

Two closely related species of birds live in the same tree. Species A feeds on ants and termites, while Species B feeds on caterpillars. The two species coexist successfully because

• each occupies a different niche

• they interbreed

• they use different methods of reproduction

• birds compete for food

Tags

NGSS.MS-LS2-2

No two species can occupy the same niche

• Competitive Exclusion Principle 
• Limiting Exclusion Theory
• Competitive Limiting Principle
• Limiting Competitive Theory 

As the population of prey decreases, the population of the predator which eats it will...

• Increase
• Decrease
• Remain Constant

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is NOT a form of symbiosis?

• Mutualism
• Commensalism
• Parasitism 
• Predation

What statement is TRUE about the graph?

• The prey is the green line because there needs to be more prey than predators.
• The prey is the red line because there needs to be more predators than prey.
• The green line is the producers
• The red line is the producers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Predator population lags behind prey population because:

• Increase in predators leads to decrease in prey

• Increase in predators leads to increase in prey

• Increase in predators leads to decrease in producers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In ecosystems, organisms rely on each other. This is called

• Interdependence

• relationships

• predation

• habitat

Tags

NGSS.MS-LS2-2

the act of one animal seeking out, killing and consuming another animal

• Predation

• Herbivory

• Symbiosis

• cooperation

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3