Ecosystems: biomes + relationships

An ecosystem is a location on Earth that includes

• only biotic components

• only abiotic components

• interacting biotic and abiotic components

• positive and negative feedback loops

Tags

NGSS.MS-LS2-3

The cattle egret follows herds of cattle and eat the insects that the cattle stir up as they move through the grassland. The cattle appear to be unaffected by the egrets. This is a _____ type of relationship.

• Commensalism

• Parasitism

• Symbiotic

• Mutualism

Tags

NGSS.MS-LS2-2

Which is a biotic factor?

• producers

• pH

• energy

• humidity

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

In which biome would you expect to find an area with an average temperature of 10^oC and 200 cm of precipitation annually?

• Temperate seasonal forest

• Temperate rainforest

• Woodland/shrubland

• Tropical seasonal forest

In which biome would you expect to find an area with an average temperature of 4^oC and 50 cm of precipitation annually?

• Tundra

• Boreal forest

• Temperate grassland/cold desert

• Woodland/shrubland

What factors are used to classify a biome?

• average temperature

• average precipitation

• distinctive plants adapted to area

• all of these are correct

Tags

NGSS.MS-ESS2-6

Which biome is characterized by the presence of permafrost?

• temperate seasonal forest

• woodland/shrubland

• tundra

• boreal forest

Which of the following are examples of wetlands?

• swamps

• marshes

• bogs

• all of these are correct

Which biome has warm temperatures, high precipitation, and little seasonal variation due to its location near the equator?

• Boreal forest

• Tropical rainforest

• Woodland/shrubland

• Subtropical desert

Tags

NGSS.MS-ESS2-4

Symbiosis where both parties benefit.

• Commensalism

• Parasitism

• Mutualism