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Biomes

Test Description: TN standards

Instructions: Answer all questions to get your test result.

1) This biome receives less than 25 cm (10 inches) of rain in a year and the average temperatures range between 25 C (80 F) and 40 C (110 F).

ATemperate Grassland because this is very cold in the winter. BDesert because this is hot and dry. CTropical Rain Forest because this is hot and wet. DAlpine Tundras because they are very hot in the summer.

2) The most important biotic factor in marine and freshwater biomes is

Aamount of sunlight Bwater depth Cwater temperature Dphytoplankton

3) Most of the nutrients in a tropical rain forest are found in plants, so

Athere are few plants in the rain forest Btere are few animals in the rain forest Cthe rain forest soil is very rich Dthe rain forest soil is poor in nutrients

4) Plants in the tundra biome grow close to the ground and have shallow root systems. Which statement best explains why these plants have shallow root systems?

AThe plants are eaten before they are mature. BThe plants can be easily transplanted. CThe seeds must be spread quickly. DThe ground is frozen much of the year.

5) The main biotic factor in a coniferous forest is

Atrees that do not change much seasonally. Btrees that lose their leaves to save water Cseasonal rains. Dmany grasses and few trees.

6) Which of these is an abiotic factor in a tropical rain forest?

Ahigh humidity Bkapok tree Cblue mountain butterfly Dbucket orchid flowers

7) Deserts are defined by these abiotic factors

Aoften hot and very dry Boften hot and very humid Cmany grasses and few trees Dmany cacti and few grasses

8) Which of these is an abiotic factor in a grassland?

Arabbits Bwildflowers Cinsects Dsunlight

9) One important abiotic factor in marine biomes is the

Aamount of phytoplankton. Bsize of animals. Ckinds of algae. Dwater depth.

10) One abiotic factor that makes rivers different then lakes is

Arivers have moving water. Brivers have insects. Crivers have fish. Drivers have sunlight.

11) A certain biome has seasonal rains which require large herds of herbivores to migrate great distances in search of water. Which biome is most likely being described?

AArctic tundra Btropical rain forest Csavanna Ddesert

12) The fur of Arctic foxes and Arctic hares is white in winter. The fur of both species becomes brown in summer. This adaptation helps camouflage these animals. In which biome can a predator-prey relationship between Arctic foxes and Arctic hares be fou

Arain forest Bdesert Ctundra Dwetland

13) In a certain biome, wildflowers and herbs are some of the most common plants. Bison and prairie dogs consume the wildflowers and herbs. Coyotes and eagles hunt the prairie dogs. Which biome is most likely being described?

Aconiferous forest Btropical rain forest Ctemperate grassland Darctic tundra

14) A biome with many trees which are green in the summer and then lose their leaves in the fall to conserve water is most likely a

Aconiferous forest Btemperate deciduous forest. Ctundra Dtaiga

*select an answer for all questions

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