WorksheetsEcosystems 5.L.2.1-3
Total questions: 25
Worksheet time: 6hrs 15mins
Noah visited a park that had many oak trees. Which BEST describes the role of an oak tree in its ecosystem?
Oak trees can live for a long time.
Oak trees have leaves that change colors.
Oak trees have strong branches and trunks.
Oak trees are a source of food and shelter for animals.
How are a saltwater marsh and a lake most similar?
They both have diverse organisms.
They both have to be near an ocean.
They both have salt water.
Which is the MOST ACCURATE in describing an estuary ecosystem?
High salt levels keep the water clear of nutrients and proteins.
Freshwater mixes with saltwater to provide a nutrient-rich environment.
Animals and plants compete for food due to pollution from surrounding areas.
Cold water mixes with saltwater to create a cooling effect that encourages growth.
Which two organisms in the food chain below are carnivorous?
grass -> mice -> snakes -> hawks
grass and mice
mice and snakes
hawks and grass
hawks and snakes
Clara says that her school is in a desert. Which fact about her schoolyard MOST helps her claim?
The schoolyard has few trees.
The schoolyard has rocks and sand.
The schoolyard gets warm in the summer.
The schoolyard gets little rain during the year.
Which type of ecosystem has the greatest variation in temperature from its top to its bottom?
lake
pond
ocean
estuary
Which area is coldest?
Rainforest
Tundra
Grassland
Reef
What is an example of a shelter in an ecosystem?
a gray squirrel eating an acorn
a raccoon in a hollow log
a blue whale migrating
a tick feeding on a coyote
Mangrove trees have shallow roots that start above ground. These roots filter out salt so the tree can receive fresh water. Based on this information, in which area are mangroves BEST suited to grow?
A grassy field
A coastal desert
A sandy desert
A rocky mountain
Which list includes organisms commonly found in a deciduous forest?
deer, squirrel, and mouse
cactus, wildflower, and tortoise
grass, prarie dogs, and bison
lizard, scorpion, and kangaroo rat
The Russian thistle, commonly known as the tumbleweed, is a big, round plant with many branches and short, stiff leaves. This plant spreads a large number of seeds when it breaks off from its stalk. The thistle is MOST likely found in what kind of environment.
Swamp
Prairie
Forest
Tundra
The diagram shows part of an ocean food web. Which effect will an increase in sea urchins MOST likely have on this food web?
A decrease in the number of sea otters
A decrease in the amount of sunlight
A decrease in the amount of seaweed
A decrease in the number of parrotfish
Which best completes the graphic organizer?
Estuary
Creek
River
Which ecosystem receives the LEAST amount of precipitation?
Estuary
Grassland
Tropical Rainforest
Mangrove trees are common in wetlands. Which condition MOST likely keeps mangrove trees from growing in deserts?
The ground is too dry.
The winds are too strong.
The air gets too cold at night.
There is too much light during the day.
Ospreys are birds that eat fish. Where would an osprey MOST likely live?
Near a forest
Near a marsh
Near a desert
Near a prairie
A brown bear eats a variety of foods including berries, insects, and small animals. Which BEST describes a brown bear?
Producer
Herbivore
Carnivore
Omnivore
What would MOST likely happen to this food chain if a farmer decides to dust a wheat crop with an insecticide? (Insecticides kill insects)
The wheat would become greener.
Other birds would move into the fields.
The hawks would start eating the wheat.
There would be fewer sparrows in the fields.
High average daily temperature and heavy annual precipitation are found in a
Desert
Grassland
Rainforest
Tundra
Where are fern plants MOST likely to grow?
In a desert
Along a river
At the bottom of an ocean
In the middle of a prairie
Which ecosystem is MOST similar to an estuary?
Pond
Ocean
Salt Marsh
Which BEST describes the similarities between grasslands and forests?
Grasslands have moderate temperatures like forest ecosystems.
Grasslands have plentiful grasses and trees like many forests.
Grasslands are dry like most forests.
Which ecosystem has lifeforms MOST SIMILAR to those of the ocean?
Estuary
Lake
Pond
Swamp
What is the primary source of energy in many ecosystems?
water
the sun
consumers
producers
Which comparison of ecosystems is true?
Tundras are warmer than grasslands.
Grasslands get more rain then deserts.
Deserts have more plants than rainforests.
Rainforests are rockier than tundras.
