WorksheetsMCU2 Lesson 3 Quiz
Total questions: 10
Worksheet time: 5mins
Which statement describes a difference between predator and prey?
Prey are types of plants whereas predators are types of animals.
Prey remain in one place, but predators move around within the ecosystem.
Prey get energy only from plant materials, and predators eat only animals.
Prey are hunted for food and predators capture and eat other animals to get energy.
The food web shows some of the feeding relationships among organisms in Arctic waters. Which organism would be least affected by overfishing for cod?
seals
shrimp
baleen whales
toothed whales
Every five years, certain kinds of oak trees experience "masting" in which they produce and drop hundreds of acorns. How can masting affect organisms such as black bear, deer, and squirrels that feed on them?
The oak population and the populations of organisms that eat acrons will both decline.
The number of acorns available will not affect the black bear, deer, or squirrel populations.
The population of oak trees, black bear, deer, and squirrels will all show a slight increase.
The oak population will decline, while the population of black bear, deer, and squirrels will increase.
Grizzly bears' diets consist of roots, tubers, berries, nuts, fungi, insects, rodents, and fish. What ecological role best describes grizzly bears?
producers
carnivores
omnivores
herbivores
A student is studying interactions between organisms in a food web. She wonders what could happen in a prairie ecosystem if foxes suddenly disappeared. Which of these is the best answer to her question?
If foxes disappear, all other populations will grow.
If foxes disappear, all other populations will shrink.
If foxes disappear, the population of an organism that feeds on foxes will likely grow.
If foxes disappear, the population of an organism on which foxes feed will likely grow.
Gemma wants to investigate the rainforest ecosystem of the Amazon jungle in South America. Gemma uses plants, reptiles, and insects native to New Jersey, where she lives to build a terrarium. Which limitation is true of Gemma's experiment?
It models a complete ecosystem in New Jersey
It does not model an ecosystem in the Amazon
It does not include interactions between insects and plants.
It does not include interactions between reptiles and plants.
If foxes disappear, the population of an organism that foxes feed on will likely grow. Which of these is a carnivore according to the food web?
grasshopper
mouse
rabbit
small fish
Which statements describe the feeding interaction between frogs and insects?
The frog is prey.
The interaction is mutualistic.
The frog is a parasite.
The number of insects can influence the number of frogs in the ecosystem.
Whale lice live on the surface of whales. Lice are very small, and they feed on whale skin. Barnacles do not feed on whale skin. Which statement best describes the relationship between lice and barnacles?
They have a predator-prey relationship.
They are both whale parasites.
They complete for food resources.
They do not complete for food resources, but may compete for space on a whale.
Atlantic salmon migrate to rivers in New England to reproduce and to the coast of Greenland to feed. Which of these scenarios could cause a decrease in salmon populations due to competition?
Abundant food resources in Greenland.
Limited food resources in Greenland.
Increase predation by birds
