ES Q3 Grade booster

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

Place the ecology levels of organization in proper order (smallest to largest)

• organism > population > community > ecosystem > biosphere

• community > organism > ecosystem > biosphere > population

• organism > community > biosphere > population > ecosystem

• population > biosphere > ecosystem > community > organism

A tapeworm lives in the small intestines where it feeds and grows, robbing the human of essential nutrients. This is a _____ type of relationship.

• Commensalism

• Parasitism

• Symbiotic

• Mutualism

Which is a biotic factor?

• producers

• pH

• energy

• humidity

What factors are used to classify a biome?

• average temperature

• average precipitation

• distinctive plants adapted to area

• all of these are correct

Which biome is characterized by the presence of permafrost?

• temperate seasonal forest

• woodland/shrubland

• tundra

• boreal forest

Terrestrial biomes are defined by ____ and ____ variables.

• temperature; precipitation

• temperature; animals

• precipitation; plants

• animals; plants

What is a herbivore?

• receives energy from the sun

• only eats meat

• only eats plants

• eats both plants and meat

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

The direction of an arrow in a food chain represents

• the flow of energy from organism B to A

• the movement of organisms

• the directionality of the sun

• the flow of energy from organism A to B