What is symbiosis in ecology?

• A relationship where one organism hunts another for food

• A relationship where two organisms compete for resources

• A close and long-term interaction between two species

• A short-term interaction between two species

Which of the following is NOT a type of symbiotic relationship?

• Mutualism

• Commensalism

• Parasitism

• Communitism

In a predator-prey graph, what does the prey population usually show when the predator population increases?

• A decrease

• An increase

• No change

• No pattern

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following is NOT part of a species' niche?

• The 1st law of thermodynamics

• The role and position of an organism in its ecosystem

• The habitat it lives in

• The number of predators it has

Which of the following is an example of commensalism?

• A tick feeding on a dog but does not kill the dog

• Bees pollinating flowers where bees get nectar and plants are pollinated

• A lion hunting a zebra

• Barnacles that live on a whale but don’t hurt the whale

An example of parasitism is:

• Bees pollinating flowers

• Clownfish living among the tentacles of a sea anemone and clownfish receives protection

• A tapeworm living in the intestines of a host and stealing nutrients

• Wolves hunting deer in a forest

Tags

NGSS.MS-LS2-2

What is an example of resource partitioning?

• Two bird species nesting in the same tree at the same location on the tree

• Two squirrel species fighting over the same food source

• Different species of birds feeding on insects in different parts of a tree

• Two species of fish competing for the same hiding spot

Tags

NGSS.MS-LS2-5

Which factor primarily determines the type of flora and fauna in a biome?

• The population density of humans in the area

• The weather for one year.

• The availability of technology and industry

• The climate and soil characteristics

Tags

NGSS.MS-LS1-5

Which biome is characterized by having permafrost soil?

• Tundra

• Desert

• Rainforest

• Grassland

Which of these biomes experiences a severe dry season and is dominated by grasses?

• Tropical rainforest

• Taiga (boreal forest)

• Temperate seasonal forest

• Savanna