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WorksheetsUnit 7 End Review
Total questions: 15
Worksheet time: 1hrs 15mins
A group of students build two terrariums by putting stones and soil in the bottom of two clear glass jars. They put the same type of potting soil and plants in each. They then put one terrarium near the window and one in the closet. The students water both terrariums regularly. Which question can most likely be answered with data from this investigation?
Do plants need water?
Do plants need carbon dioxide?
Do plants need soil?
Do plants need sunlight?
When a volcano erupts, the ecosystem around the volcano changes. Surrounding lakes are filled with hot mud. Plants are burned. The ground is covered in ash. How does the change in the ecosystem affect the food chain?
fish in the lake die and the bears that eat the fish move to another location
fish in the lake grow very large and the bears that eat the fish become overweight
fish in the lake become poisonous and the bears that eat the fish die
bears that eat the fish dig out the mud and after it rains, the bears bring in fish
from a nearby lake
Which pair of consumers is most likely to use the same food resources in an
ecosystem?
rat and fish
parrot and snake
squirrel and mouse
elephant and cheetah
Ms. Sampson follows a vegan diet. This means that she does not eat meat or any other animal products. She gets all of her nutrients from plant products. Which word
describes Ms. Sampson?
herbivore
carnivore
omnivore
decomposer
Louis must separate a list of organisms into two groups. One group must contain only consumers. One group must contain only producers. Which two groups of organisms
correctly separates consumers from producers?
consumers: fox, centipede, rat, poison ivy
producers: rose, tadpole, maple tree, cactus
consumers: centipede, tadpole, fox, rat
producers: maple tree, cactus, poison ivy, rose
consumers: centipede, fox, poison ivy, tadpole
producers: cactus, rose, maple tree, daisy
consumers: tadpole, centipede, fox, cougar
producers: rat, maple tree, daisy, rose
A student is creating a food web to show her class. Her food web includes fish, birds, crabs, shrimp, and whales. What is missing from this food web?
producers
consumers
carnivores
majestic unicorns (don't pick this one.)
Lighting strikes a tree in a forest. It starts a forest fire. Firefighters put out the fire quickly. However, half of the pecan trees are destroyed. Squirrels and chipmunks live
mostly on pecans from the trees. How will the forest fire most likely affect the forest food web.
Fewer squirrels and chipmunks will live in the forest, causing foxes and owls to hunt other animals for food.
Squirrels and chipmunks will begin to eat grass and insects.
Foxes and owls will begin to eat pecans instead of squirrels and chipmunks.
Fewer insects will live in the forest, causing birds to eat only berries.
Out of these - which organism is a producer?
Leaf
Caterpillar
Chameleon
Snake
Harrison plants a vegetable garden in his backyard. He plants zucchini and yellow squash. Unfortunately, slugs begin to eat the vegetables while squash bugs start to
drink the sap from the squash vines. Harrison, the slugs, and the squash bugs are ___.
producers
consumers
plants
insects - If you tell me Harrison is an insect, I will personally ground you for two weeks. ;)
Look at the food web. A fire kills much of the mouse population. How does this affect the food web?
there will be a decrease in the grasshopper population
there will be an increase in the bird population
owls will begin eating birds
mice will begin eating grasshoppers
What are the three things plants need in order to produce their own food?
sun, water, carbon dioxide
sun, water, oxygen
sun, plant food, carbon dioxide
sun, plant food, oxygen
All living things need energy. What is the main source of energy for all living things on Earth?
producers
consumers
decomposers
sun
Gabby walks on a nature path. She identifies different types of consumers and producers in the forest. Which organisms does Gabby correctly identify as
producers?
gnat, ladybug, wasp, fly
earthworm, centipede, slug, caterpillar
maple tree, grass, wild blueberry bush, bluebonnets
rabbit, possum, raccoon, coyote
Food chains and webs have three types of consumers. Which statement below best describes an omnivore?
eats only plants
eats only animals
makes its own food
eats plants and animals
This ocean ecosystem is close to a power plant on shore. An accident happens causing chemicals to spill into the ocean. These chemicals are toxic to kelp in the area, and kills most of it off. How will this accident affect the Northern Elephant Seal population?
this doesn’t affect the elephant seals since they eat horn sharks
the elephant seal population will increase because they add sea otters to their
diet
the elephant seal population will decrease because there will be fewer horn sharks to hunt
the elephant seal population decrease because they can’t eat as many sea urchins
