Ch. 3 Biology Test (2022)

The very first organisms in a new habitat are called:

• climax comminity

• predators

• pioneer species

• consumers

Which of the following can be an abiotic limiting factor? (Select all that apply)

• water

• sunlight

• oxygen

• predators

In an aquatic biome, light does NOT penetrate into which of these?

• photic zone

• aphotic zone

• abiotic zone

• biotic zone

Coastal bodies of water where salt and freshwater mix are called:

• lakes

• wetlands

• estuaries

• bogs

Why is secondary succession faster than primary succession?

• average precipitation is higher in these areas

• pioneer species are microscopic

• better climate conditions

• soil is present

Which ecosystem has the greatest biodiversity?

• tundra

• desert

• temperate forest

• tropical rainforest

A scientist arrives on a newly formed island. She observes large amounts of lichen on rocks, but no grass or trees. She is observing:

• primary succession

• secondary succession

• tertiary succession

• none of these

Based on the graph, which section would account for a lower population of butterflies due to cold temperatures?

• zone of intolerance

• zone of physiological stress

• optimum range

An area where the soil is saturated with water is called:

• brackish

• an estuary

• marine

• a wetland

What is a biome determined by?

• the plants that live there

• the animals that live there

• the climate

• its stage of succession