Community Dynamics

Which type of symbiosis involves both species benefitting? +/+

• Mutualism

• Commensalism

• Parasitism

Tags

NGSS.MS-LS2-2

Which type of symbiosis involves one species benefitting while the other is harmed? +/-

• Mutualism

• Commensalism

• Parasitism

Which type of symbiosis involves one species benefitting while the other is unaffected? +/0

• Mutualism

• Commensalism

• Parasitism

All of the different species of living things in a given area is called:

• Population

• Community

• Ecosystem

• biome

If the populations of grasshoppers would decrease, what affect would that have on the population of lizards?

• Increase

• Stay the same

• Decrease

• Unable to determine

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

If the population of rattlesnakes were to decrease, why would that help to increase the population of hawks?

• Rattlesnakes eat hawks

• Hawks eat rattlesnakes

• Rattlesnakes and hawks both eat kangaroo rats.

• It would not help the hawk population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Rats were introduced to Australia and the rat population exploded over several years. Which would not be a reason for their population growing?

• Large amounts of available food

• Increase in the number of predators.

• More water available

• Large habitats to live in

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In the woods, there are hawks and robins. They both try to occupy the same niche by competing for worms as the only source of food in that same area at that same time. The hawks outcompete the robins, and the robins are forced to leave that area. This is an example of:

• Mutualism

• The competitive exclusion principle

• Commensalism

• Neutralism

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?

• Mutualism

• Commensalism

• Parasitism

• Amensalism

Tags

NGSS.MS-LS2-2

In this photo, two lions are fighting for a resource. What type of competition is this?

• Interspecific competition

• Intraspecific competition

• Machismo

• Competitive exclusion principle

Tags

NGSS.MS-LS2-1