Predator-Prey + Competition

What is a condition that occurs when two or more organisms engage to obtain the same resources?

• Competition

• Predation

• Parasitism

• Mutualism

Tags

NGSS.MS-LS2-2

What will happen if all of the frogs in a population die?

• The frogs' predators will decrease and the frogs' prey will increase.

• The frogs' predators will increase and the frogs' prey will decrease.

• The frog's predators and prey will be balanced out.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Two arctic fox are fighting with a polar bear for a sea lion carcass. One fox distracts the bear while the other eats. What type of situation is occurring?

• Predator-Prey Relationships

• Competition

• Mutualism

• Parasitism

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

When resources are not available a population will _____________ in size.

• Increase

• Decrease

• Stay the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Parasites and diseases will ______________ the size of a population, so the are examples of limiting factors.

• Increase

• Decrease

• Stay the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?

• The bird population would stay the same
• The bird population would infinitely increase
• The bird population would decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Intraspecific competition is competition among ______.

• Organisms from two or more species

• Predator and prey

• Parasite and host

• Organisms within a species

What type of relationship is this?

• Predator-Prey
• Producer-Consumer
• Parasite-Host

If a fox population disappeared due to increased hunting by humans, what would the rabbit population be expected to experience?

• A population explosion

• A population crash

• Carrying capacity

• Zero population growth

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What would happen to the size of a predator population if its prey were removed?

• The predator population will decrease.

• The effect depends on the type of predator.

• The predator is above the prey in the food chain; therefore, its population will not be affected.

• The size of the predator population will rise.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4