Enviro Unit 3 Test

Biotic factors of an ecosystem are:

• non-living things

• always plants

• living things

• soil

Which biome is characterized by low temperatures and low amounts of rainfall?

• tundra
• desert
• temperate deciduous forest
• tropical rain forest

Which biome, because of its climate, has the largest number of species of plants and animals?

• tundra
• desert
• tropical rainforest
• chaparral

Which major biome is home to cacti, mesquite, white thorn, pack rats, small reptiles, and coyotes?

• desert
• taiga
• tundra
• grassland

Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil?

• Boreal Forest

• Tundra

• Deciduous Forest

• Grassland

___ is a cold, dry biome where the soil stays frozen the entire year and has very little precipitation.

• Savannah

• Boreal Forest

• Tundra

• Desert

Northern biome with many coniferous trees; very cold temperatures in the winter months.

• Boreal Forest

• Tundra

• Desert

• Temperate Rainforest

Identify an a example of an abiotic factor?

• Panda
• Turtle
• Butterfly
• sunlight

What biome is this?

• deciduous forest

• taiga

• desert

• grassland

This biome gets a little more rain than deserts and has similar temperatures to deciduous forest.

• Tundra

• Taiga

• Grassland

• Rainforest