- •Part I An Introduction to Ecology and the Environment
- •Vocabulary
- •I. Read the following sentences and translate them.
- •II. Read and translate the following text. Ecology: The Understanding of a Delicate Balance
- •III. Answer the following questions about the reading.
- •IV. Give the definitions of the following terms. You may consult a dictionary.
- •VI. Look at the following list, identify which groups of items are included in the four areas of scientific study.
- •VII. Complete each sentence in the following paragraph with the appropriate word or phrase.
- •VIII. Read and translate the text. The Ecosystem
- •VII. Read and translate the text. The Tundra Ecosystem
- •Part II The Structure of an Ecosystem
- •Vocabulary:
- •The food web
- •II. Answer the following questions:
- •III. Read and translate the given text:
- •IV. Answer the following questions about the reading.
- •V. Make up a short summary of this text using the questions given below:
- •VI. Describe the ecosystem you can see on the picture “An Ecosystem”.
- •An Ecosystem
- •VII. Read and translate the given text: a Brief Look at Chemistry
- •VIII. Answer the questions about the reading.
- •Match each chemical element to its correct chemical symbol.
- •Energy and Matter
- •Read sentences 1 to 10. Fill in the blank with either the word energy or matter.
- •XV. Here is a list of some physical factors that determine what plants and animals can live in certain ecosystems. Can you rearrange the letters to solve the puzzle?
- •Physical Factors
- •Logical Connectors
- •XVII. Complete the following passage with appropriate logical connectors.
- •Combine the following pairs of sentences into one sentence using a coordinating conjunction or a conjunctive adverb. Pay attention to your punctuation!
- •XIX. Experiment on Limiting Factors
- •Using your data from Activity b, fill in the graph below to show how the amount of precipitation relates to the percentage of eggs hatched.
- •The Food Chain and Energy
- •XXII. Read and translate the text.
- •XXIV. Read the following paragraphs on the nitrogen cycle. Some of the sentences have numbers after them. Write that number in the corresponding box in the picture below.
- •XXV. Now read the following passage about the carbon and oxygen cycle.
- •XXVI. Retell the text using this picture.
- •XXVII. Final test
- •A Chronic but Mostly Hidden Problem
Using your data from Activity b, fill in the graph below to show how the amount of precipitation relates to the percentage of eggs hatched.
Precipitation (cm)
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0 10 20 30 40 50 60 70 80 90 100
Percentage of Eggs Hatched
Results and Conclusions
D. Answer the following questions based on your data.
1. In which year was the precipitation lowest? Highest?
2. What seems to be the relationship between the amount of precipitation and the number of eggs hatched? Explain your answer.
3. On the basis of the data, does precipitation seem to be a limiting factor for the sand hill crane population? Explain your answer.
4. Does the effect of precipitation on the population seem to be dependent upon the density of the population? Explain your answer.