Free Printable Unit 2 Test Retake

Worksheets

Unit 2 Test Retake

Total questions: 30

Worksheet time: 1hrs 3mins

Name

Class

Date

Gila monsters are very well adapted to their homes. They have thick/scaly skin to prevent water loss and they burrow to escape the heat during the day. A Gila monster would most likely live in which biome?

taiga

temperate rainforest

desert

deciduous forest

Which two biomes typically receive less than 10 inches of precipitation each year? Check all that apply.

tropical rainforest

temperate rainforest

desert

tundra

grassland

Which biomes would be found nearest to the equator?

tropical rain forests and savannas

tundras and taigas

tropical rain forests and taigas

tundras and savannas

Which biome is the driest?

Tundra

Desert

Taiga

Rainforest

Sara is studying an area that has many trees and goes through all four seasons. The trees lose their leaves as the seasons progress. Which biome is she studying?

deciduous forest

desert

grassland

tropical rainforest

When there is higher biodiversity

there is less diversity.

more organisms are likely to die because they can't adapt to environmental changes.

there is more diversity and higher sustainability of life.

there is more diversity and lower sustainability of life

Which biome contains permafrost?

tropical rainforest

temperate deciduous forest

savanna

tundra

The picture shows what type of succession?

primary

secondary

tertiary

quadanary

A plant has to grow close to the ground to resist cold and has shallow roots because the soil under it is frozen. In which biome is this plant most likely found?

temperate rainforest

tundra

desert

tropical rainforest

10.

The picture shows what type of succession?

primary

secondary

tertiary

quadanary

11.

The type of forest biome whose trees produce seed in cones, have needles and do NOT lose their leaves/needles in autumn, and is also called the "Taiga" is

Grassland

Deciduous forest

Coniferous forest

tropical rainforest

12.

Which biomes have the LOWEST average yearly rainfall (least amount of rain)

tundra and desert

tropical rainforest and grassland

deciduous forest and desert

13.

An area in which fresh water from a river mixes with salt water from the ocean

Mangrove Swamp

Estuary

Marshes

Wetland

14.

Which biomes have the HIGHEST yearly rainfall

grassland and desert

tropical rainforest and grassland

deciduous forest and tropical rainforest

15.

Which ONE biome has the most species (biodiversity)?

Grassland

Deciduous forest

Tropical rainforest

Tundra

16.

____ are organisms that are the first to colonize newly made land

pioneer species

secondary species

beginner species

17.

Which is NOT example of freshwater ecosystems

Coral Reef

Lake

Pond

Stream

18.

_____ include: Lakes, Ponds, Streams/Creeks Wetlands/ Marshland, Groundwater

terrestrial biome

salt water biome

freshwater biome

19.

What aquatic biome is characterized by flowing fresh water?

Lakes/Ponds

Mangroves Swamps

Rivers/Streams

Coral Reefs

20.

Most water on earth is part of the _____biome.

saltwater (marine)

freshwater

terrestrial

21.

Ecological succession can begin when seeds are carried to bare areas by birds or the wind.

True

False

22.

Succession continues until it reaches a pine forest community.

True

False

23.

Desert plants grow slowly. _______________

True

False

24.

Only organisms that live in the water depend on aquatic ecosystems for food and shelter. _______________

True

False

25.

Grasslands, tundra, and rain forests would be ____ biomes.

saltwater

terrestrial

freshwater

26.

After a town is abandoned, the concrete parking lots remain empty and inactive for hundreds of years. What is the most likely order of ecological succession in that area?

lichens → grass → trees → shrubs

lichens → grass → shrubs → trees

shrubs → grass → trees → lichens

grass → trees → lichens → moss

27.

Which of these examples might be an animal adaptation to life in the tree canopy of a tropical rainforest?

gripping tail

hair-lined ears

light colored fur

cold-blooded metabolism

28.

Compare primary and secondary succession of an ecosystem. What is the distinction between them?

Primary succession is the sequence of plants that colonize a new area, while secondary succession is the sequence of animals that move once plant life is established.

Primary succession is the sequence of species that become established early in a newly colonized area, while secondary succession is the sequence of species that move in much later.

Primary succession is the establishment of a new community in an existing ecosystem that was disturbed, while secondary succession is the establishment of a community in an area that was altered due to fire.

Primary succession is the establishment of a community in an area with no soil, while secondary succession is the establishment of a new community in an existing ecosystem that was disturbed by some catastrophic event.

29.

Trees in a large forest are being cut for timber. There are almost not understory shrubs in this area; just mature evergreen greens, some grasses and other low-growing plants. If left alone for the next decade, the forest should re-establish itself. New trees will grow. ALL BUT ONE is a reason for this new growth.

There is already an established soil profile.

There is already an existing seed bank of suitable plants in the area and soil.

Lichens are present in the area to help create soil and improve soil fertility.

Root systems undisturbed in the soil, stumps and other plant parts from previously existing plants can help with regrowth.

30.

The animal adaptations listed above might be describing animals that live in the

Desert

Forest

Jungle

Ocean

100 %

Unit 2 Test Retake

Total questions: 30

Worksheet time: 1hrs 3mins

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