Seventh Grade Science
Ecology_biomes
1. How do the characteristics of taigas compare to the characteristics of deciduous forests?
A. Taigas are located near the equator whereas the deciduous forests are located near the
poles.
B. The dominant trees found in a deciduous forest lose their leaves in the winter whereas the
dominant trees in the taiga retain their leaves year round.
C. The dominant trees found in a taiga lose their leaves in the winter whereas the dominant
trees in the deciduous forest retain their leaves year round.
D. The rainfall in a taiga is plentiful whereas the rainfall in a deciduous forest is very dry.
2.
A.
B.
C.
D.
The biome is a rainforest
The annual variation in temperature (from high to low) is about 25°C.
The biome receives the same amount of rainfall each month.
The biome has little plant life.
3. A scientist is studying an estuary on the Georgia coast. What is an important characteristic of an
estuary?
A. It consists of cold rushing freshwater.
B. It is an area with many living organisms where freshwater and saltwater mix together.
C. It is an area where the water is frozen most of the year.
D. It contains a very high concentration of saltwater with few living organisms.
4. The hare has powerful hind legs and huge feet that are helpful for movement in the snow. It has
short ears and a short tail that keep heat close to the body. It curls up to stay warm. In which
biome is the hare best adapted to live?
A. Desert
B. Tropical rain forest
C. Taiga
D. Grassland
5.
A.
B.
C.
D.
6.
A.
3, 4, 2, 1
3, 4, 1, 2
4, 3, 1, 2
4, 3, 2, 1
B.
C.
D.
7. Which of the following answer choices correctly arranges the levels of environmental
organization in order of smallest to largest?
A. organism, population, community, ecosystem, biosphere
B. organism, population, community, biosphere, ecosystem
C. organism, community, population, ecosystem, biosphere
D. biosphere, ecosystem, community, population, organism
8. The tundra is characterized by permafrost, a layer of permanently frozen subsoil. During the
short, cool summer, the ground thaws to a depth of a few centimeters and becomes soggy and
wet. What type of plant life would you expect to find in this biome?
A. fir and redwood trees
B. cacti and succulents
C. mosses and lichens
D. oak and maple trees
9.
Figure 1 contains a temperature graph and a precipitation graph from Alice Springs, Australia.
After studying the two
graphs, how would you classify this location?
A. Tropical Rainforest
B. Tundra
C. Desert
D. Deciduous Forest
10. Which would be the order of climates as you move from the Equator to the North Pole?
A. temperate, artic, tropic
B. tropic, temperate, artic
C. artic, temperate, tropic
D. temperate, tropic, artic
11. Which of the following is an abiotic factor in a biome?
A. number of trees
B. diversity of insects
C. average temperature
D. predator-prey relationships
12. Most of the nutrients in a tropical rain forest are found in plants, so
A.
B.
C.
D.
the rainforest soil is very rich in nutrients
there are few animals in the rainforest
there are few plants in the rainforest
the rainforest soil is poor in nutrients
A.
B.
C.
D.
Communities Y and Z are both oceans, and X is a river.
Communities X and Z are both estuaries, and Y is an ocean.
Community X is an estuary, Y is a river, and Z is an ocean.
Community X is a river, Y is an ocean, and Z is an estuary.
A.
B.
C.
D.
taiga
tundra
temperate forest
tropical rain forest
13.
14.
15.
Fat Dormouse: The fat dormouse can adapt and thrive in many types of woodland but does not
do well in evergreen forests. The dormouse finds shelter in hollow trees, rock crevices or even
woodpecker holes. The large bushy tail helps the dormouse keep its balance while climbing on
tree branches.
A.
B.
C.
D.
Taiga
Desert
Savanna
Temperate Forest