Download STATION 2 Write the letter of the correct answer in the space provide.

Name __________________________________
_______________ Class __________________
STATION 1
Use the terms from the following list to complete the sentences below. Each term may be used
only once. Some terms may not be used at all.
community
predator
prey
symbiosis
biosphere
coevolution
carnivore
ecology
consumer
commensalism
1. Populations of organisms that live in and interact in a particular area form a(n) ___________________.
2. The study of interactions between living things and their environment is ______________________.
3. A spider that feeds on live insects is an example of a(n) .______________________.
4. The part of Earth where life exists is the ______________________.
5. Herbivores, carnivores, and omnivores are all_______________________.
6. When the close interaction between two organisms results in long-term changes in both
organisms,_____________ has taken place
7. Animals that eat a variety of meats, fruits, and vegetables are__________________.
STATION 2
Write the letter of the correct answer in the space provide.
_____ 8. The plants a ladybug lives on, the aphids the ladybug eats, and the birds that would eat the
ladybug are all
a. biotic elements of an ecosystem.
b.
predators.
c. producers.
d.
abiotic elements of an ecosystem.
_____ 9. A scientist studying the way egrets, herons, and crabs interact, who is not interested in abiotic
factors such as the rocks, water, and temperature, is studying what level of environmental
organization?
a. population
b. ecosystem
c. community d.
biosphere
______10. Certain ants take a sweet liquid called honeydew from tiny insects called aphids. In exchange for
the honeydew, the ants protect the aphids from predators. What kind of relationship is this?
a. Commensalism
b. Predation
c. Mutualism
d. Parasitism
_____ 11. In a food web, arrows point in just one direction because they show
a. which animal is bigger.
b. which animals are related.
c. how energy goes to the animal that is eating. d. how energy goes to the animal that is eaten.
_____ 12. After one species disappears, the other species in the ecosystem
a. benefit.
b. are thrown out of balance.
c. die.
d. are unaffected.
______ 13. .Limiting factors determine an area’s carrying capacity because
a. the number of animals is limited.
b.
ecosystems are small.
c. animals need resources to survive. d.
the number of animals is unlimited.
_____ 14. Two members of the same species fight over who gets a certain food. Members of different
species try to take over a certain nesting area. These are both examples of
a. community.
b. competition. c. mutualism.
d. commensalism.
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Interactions of Living Things
Name __________________________________
_______________ Class __________________
STATION 3 Compare and Contrast the following questions.
11. What is the difference between a population and an ecosystem? Give an example of each.
12. Explain the difference between a food chain and a food web.
13. Explain the difference between a limiting factor and carrying capacity
STATION 4 CONCEPT MAPPING
16. Use the following terms to complete the concept map below.
carnivores
energy herbivores
omnivores
producers
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Interactions of Living Things
Name __________________________________
_______________ Class __________________
STATION 5 Use the diagram to answer questions 17- 20. Write the letter of the answer in the space provided.
_____ 17. Three organisms on the food web have arrows pointing away from them and no arrows
pointing toward them. They are
a. omnivores. b. decomposers.
c. herbivores. d.
producers.
_____ 18. Three organisms on the food web have arrows pointing toward them but no arrows pointing
away from them. This is because
a. they make their own food.
c. nothing shown eats them.
b. they give energy to others.
d. they need no energy.
_____ 19. The arrows on the food web show that
a. prairie dogs eat grass. b. squirrels eat grass.
c. deer eat prairie dogs . d. squirrels eat coyotes.
_____ 20. What does the arrow between the grasshopper and the coyote represent?
a. energy flowing from producers to consumers
b. energy flowing from consumers to producers
c.energy flowing from the coyote to the grasshopper d. energy flowing from the grasshopper to the coyote
Station 6 Use the diagram below to answer question 21
______ 21.Which organism would best fit in the empty spot in the food web diagram shown above?
A. a prairie dog
B. a turkey vulture
C. a fox
D. a blue jay
______ 22.If scientists are studying the egrets, herons, marsh crabs, and cordgrass, but not the water or rocks
in a salt marsh, what level of organization would they be studying?
a. individual organism
b.population
c.
community
d.
ecosystem
______23. The source of all energy in a food web (land or aquatic) is:
a. producer
b. herbivore
c. sunlight
d. photosynthesis
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Interactions of Living Things
Name __________________________________
_______________ Class __________________
STATION 7 : Compare the three types of Symbiotic Relationships
STATION 8 In the space provided, indicate whether each of the following symbiotic relationships is an
example of mutualism, commensalism, or parasitism.
24. Clownfish live among the venomous tentacles of a sea anemone. They are protected from predators, and
they keep the sea anemone clean._______________________________
25. Barnacles attach themselves to the shells of crabs. The barnacles receive a home. The crab is unaffected.
___________________________________________________________________
26. Dutch elm disease is caused by a fungus that grows and feeds on elm trees. The fungus destroys the trees.
______________________________________________
27. Small mites live on your skin, eating dead skin cells. You don’t even notice._______________________.
28. Tapeworms live in the intestines of cats and absorb nutrients from the food the cats eat. The cats do not get
enough nutrients. _______________________________________________________.
STATION 8 Complete the following questions on a separate sheet of paper
29. What is camouflage? How does it help a predator? How does it help prey
30. Define abiotic factor and give 3 examples
31. Describe the 4 types of consumers and give an example of each
32. List the levels of organization in the environment?
33. Which is the highest level of organization in the environment? Which is the lowest?
34. What is competition? Explain the two types of competition
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Interactions of Living Things