Ecosystems General
Which of the following is an example of an abiotic factor in a grassland ecosystem?
a. bison
b. grass
c. insect
d. rock
d. rock
Which is true about ocean, estuary, and salt marsh ecosystems?
A. They are aquatic ecosystems which contain a great variety of organisms.
B. They are aquatic ecosystems which contain a small variety of organisms.
C. They are terrestrial ecosystems which contain a great variety of organisms.
D. They are terrestrial ecosystems which contain a small variety of organisms.
A. They are aquatic ecosystems which contain a great variety of organisms.
Which best explains a relationship between grassland and forest ecosystems?
A. Grasslands grow beneath forests.
B. Grasslands separate forests from deserts.
C. Grasslands and forests both support tall grasses.
D. Grasslands and forests support the same animals.
B. Grasslands separate forests from deserts.
Which of the following are example of a biotic factor in an ecosystem?
a. clouds, insects, rocks, lizards.
b. insects, lizards, bears, plants
c. water, clouds, climate, rocks
d. water, bears, berries, rocks
b. insects, lizards, bears, plants
6. Adult redfish spend most of their lives in the open ocean, but when reproducing they will find shallow grassy areas with plenty of nutrients for their young. In which type of ecosystem would redfish most likely reproduce?
A. estuary
B. forest
C. grassland
D. lake
A. estuary
How are grasslands and deciduous forests similar?
A. Both have only two seasons.
B. Both have only hot temperatures.
C. Both are populated by large trees.
D. Both are considered terrestrial ecosystems.
D. Both are considered terrestrial ecosystems.
In which ecosystem would a lightning strike most likely cause the greatest amount of damage?
A. tundra
B. estuary
C. grassland
D. salt marsh
C. grassland
Which group of organisms would most likely live in either lakes or ponds?
A. catfish, bass, turtle
B. eel, salmon, starfish
C. shark, jellyfish, beaver
D. otter, giant squid, stingray
A. catfish, bass, turtle
Which animals could most likely survive in a grassland or forest ecosystem?
A. elk, deer, and horses
B. crabs, zebras, and otters
C. lions, polar bears, and seals
D. walruses, sharks, and whales
A. elk, deer, and horses
North Carolina contains many deciduous forest ecosystems. How do the
trees in these ecosystems most likely support the bird populations?
A. They provide water.
B. They provide shelter.
C. They provide sunlight.
D. They provide carbon dioxide.
B. They provide shelter.
Which is true about salt marsh and estuary ecosystems?
A. They are located in coastal areas and contain deep mud and tall grasses.
B. They are located in coastal areas and are completely surrounded by land.
C. They are located in inland areas and contain freshwater animals and plants.
D. They are located in inland areas and are completely void of life due to high salinity.
A. They are located in coastal areas and contain deep mud and tall grasses.
How do forests differ most from grasslands?
A. The forests have more grass than grasslands.
B. The forests have less shade than grasslands.
C. The forests have fewer trees than grasslands.
D. The forests have more trees than grasslands.
D. The forest have more trees than the grassland.
What is the role of each organism in the ocean ecosystem?
a. kelp → sea urchins → sea otters → orcas
producer producer producer consumer
b. kelp → sea urchins → sea otters → orcas
producer consumer producer consumer
c. kelp → sea urchins → sea otters → orcas
producer consumer consumer consumer
d. kelp → sea urchins → sea otters → orcas
consumer consumer consumer producer
c. kelp → sea urchins → sea otters → orcas
producer consumer consumer consumer
Which best describes a freshwater ecosystem?
A. an ocean environment with living organisms
B. an inland water environment with no living organisms
C. an ocean environment with living organisms and nonliving parts
D. an inland water environment with living organisms and nonliving parts
D. an inland water environment with living organisms and nonliving parts
How does the vegetation of the tropical rain forest compare to that of a
grassland?
A. Trees are the primary source of vegetation in the grassland.
B. Grass is the primary source of vegetation in the tropical rain forest.
C. Grass in the tropical rain forest is usually shorter than in the grassland.
D. Trees in the tropical rain forest are usually smaller than those in the grassland.
C. Grass in the tropical rain forest is usually shorter than in the grassland.