WorksheetsECOSYSTEMS QUIZ
Total questions: 15
Worksheet time: 50mins
Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. How do these actions most benefit plants? (5.9A)
By returning nutrients to the soil
By releasing oxygen into the air
By making space for new animals
By decreasing the population of herbivores
Some facts about birds called cattle egrets are listed in the table. Which of these facts best describes how these birds depend on other animals to survive? (5.9A)
Fact 1
Fact 2
Fact 3
Fact 4
An African savanna is a grassland with shrubs and a few small trees. It has warm temperatures all year long, a dry winter season, and a rainy summer season. Which group of animals is most likely supported by an African savanna? (3.9A)
Which of these is an example of one living thing depending on another living thing?
Cat walking on the sand
Bird building a nest in a tree
Dog warming in the sunlight
Squirrel drinking water
All of the following are examples of living things interacting with each other EXCEPT —
birds preying on insects living in the grass
squirrels spreading the seeds of trees by burying them
frogs sleeping in the mud at the bottom of the pond
fish eating plants and other smaller fish
Another word for a living thing is a:
animal
organism
plant
community
Which are ALL nonliving things?
sunlight, temperature, water, air, wind, rocks, and soil
sunlight, temperature, insects, air, wind, rocks, and soil.
bacteria, temperature, water, air, wind, rocks, and soil.
sunlight, temperature, water, air, wind, rocks, and worms.
Data for four animal populations in a wooded area were collected before and after a shopping mall was constructed near the area. The graph shows changes in the populations. Which animal's food sources most likely increased after the mall opened? (5.9C)
Snakes, squirrels, and raccoons
Squirrels only
Snakes, squirrels, and deer
Raccoons only
Fertilizers used on farms near the coast can be carried to the ocean when runoff occurs during rain showers. These fertilizers can decrease the populations of fish and shellfish. Which other populations most likely decrease as a result? (5.9C)
Organisms that eat algae
Organisms that live on farms
Organisms that eat fish and shellfish
All of these
The nesting habits of four types of birds are described in the table. If all the dead branches and dying trees in a wooded area are removed, which bird's nesting habit would be most affected? (5.9C)
Baltimore oriole
Barn swallow
Downy woodpecker
Belted kingfisher
Prairie dogs eat plants and dig underground tunnels. Prairie dog tunnels help break up hard prairie soils, and the animals' waste adds nutrients to the soil. In the past, large groups of prairie dogs lived in many parts of the U.S. Great Plains, but people have destroyed most of these colonies. Which of these will most likely happen when prairie dogs are removed from an area? (5.9C)
The population of predators that eat prairie dogs will decrease.
The population of plants that prairie dogs eat will decrease.
The nutrients in the soil will increase.
The number of underground tunnels will increase.
A community of living and non-living things that interact is called—
a life cycle
an ecosystem
a water cycle
a population
