Predation, Competition, & Invasive Species

What is an invasive species?

• A native (naturally found) species which are added to an area. 
• A non-native (not naturally found) species added to an area. 
• A keystone species in an environment
• none of the above

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Invasive species alter the ecosystem by ___________in number quickly,this leads to _____ food for the native species.

• increasing less

• decline decreasing

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Invasive species grow quickly due to the lack of predators, this leads to a decline or extinction of the native population. True or false? 

• false
• true

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A species that is not native to an area is called: 

• Native Species
• Natural Species
• Invasive Species
• Symbiotic Species

Why do the populations of invasive species grow so quickly? 

• Invasive Species are native to an area. 
• Invasive species are prey to many animals.
• Invasive species have no predators.
• Invasive species keep the ecosystems in equilibrium.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

One organism hunts and eats another organism.

• predation

• mutualism

• carnivore

• parasitism

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A 3-point buck is killed by a hunter. What type of symbiotic relationship is this?

• mutualism
• commensalism
• parasitism
• predation

In predation, what is the ratio of predators to prey?

• 1 to 2

• 2 to 2

• 1 to 3

• 1 to 1

In competition, what is the ratio of predator to prey?

• 1 to 1

• 1 to 2

• 2 or more to 1

• less than 2 to 1