TOEFL TPO 26 Speaking Task 3 Sample: Using the example of the urn plant, explain how epiphytes have adapted to life in the rain forest.

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Epiphytes In rain forests, the canopy produced by the upper layer of branches may be so dense that few plants can grow on the shady ground below. Even so, many plants have adapted to life in the rain forest, developing fascinating strategies for survival. For example, various species known as epiphytes use a host plant as a platform for growth. Although epiphytes grow on a host tree, they take no nutrients from the tree itself. Attached to the tree, sometimes 30 or 40 meters high, these aerial plants have access to sunlight but not to nutrients from the soil below. As a result, they have developed unusual mechanisms that have allowed them to overcome this problem.

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Using the example of the urn plant, explain how epiphytes have adapted to life in the rain forest.

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1.Sub Scores Delivery: 3 Language Use: 2.5 Topic Development: 3

2.Estimated Scores

23. 3.Delivery

The speaker's delivery is generally clear and fluid, with a consistent pace and only occasional pauses. However, there are some issues with word choice and sentence structure that make the response less clear. To improve, the speaker should work on refining their vocabulary and grammar to ensure that their ideas are expressed more accurately and coherently.

4.Topic Development The response provides a coherent and well-organized explanation of how epiphytes, specifically the urn plant, have adapted to life in the rainforest. The speaker effectively uses information from both the reading and listening passages to support their ideas. However, there is room for improvement in terms of providing more specific details and examples from the passages. To enhance topic development, the speaker should focus on incorporating more precise information from the sources and making stronger connections between ideas.

6.Language Use

Original: The reading explains a term that's called epiphyte, which are some strategies for plants to survive. In the listening, the professor used herb plants as an example. This kind of plant grow around the tree and looking for support from the tree's branches. As a result, the herb plants can reach the canopy of the tree in order to get sunlight. What's more, the formation of the leaves of herb plants is special. It's in corn shape. It looks like a ball. And it can store water in the ball. And it provides nutrition for the leaves by its shape. Because some insects will land on the water in the corn and be decomposed into some high nitrogen nutrition.

Corrected: The reading explains a term called ~~epiphyte~~epiphytes, which are ~~some~~unique strategies for plants to survive(changed "some" to "unique" for better vocabulary). In the listening, the professor used ~~herb~~urn plants as an example(corrected "herb" to "urn" for accuracy). This kind of plant ~~grow~~grows around the tree and ~~looking~~looks for support from the tree's branches(corrected verb forms). As a result, urn plants can reach the canopy of the tree to get sunlight. Moreover, the formation of the leaves of urn plants is special. They are in a ~~corn~~cone shape and resemble a ball(corrected "corn" to "cone" for accuracy). The leaves can store water in this shape, providing nutrition. This is because insects land on the water and decompose into high-nitrogen nutrients.

Revised (140 words): The reading passage introduces the concept of epiphytes, which are unique survival strategies employed by certain plants. In the listening passage, the professor discusses urn plants as an example of epiphytes. These plants grow around trees, seeking support from their branches, which enables them to reach the tree canopy and access sunlight. Additionally, urn plants have a distinctive leaf formation that resembles a cone-shaped ball. This structure allows them to store water and obtain nutrients. Insects that land on the water stored in the leaves eventually decompose, providing high-nitrogen nutrients for the plant. This adaptation demonstrates how epiphytes like urn plants have successfully adapted to life in the rainforest by utilizing their host trees for support and developing specialized structures to gather essential resources such as sunlight, water, and nutrients.

7.Mind Map


- Epiphytes
  - Unique survival strategies
  - Rainforest adaptation

- Urn plants
  - Example of epiphytes
  - Grow around trees for support
  - Access sunlight in tree canopy

- Leaf formation
  - Cone-shaped ball
  - Store water and nutrients

- Insects and decomposition
  - High-nitrogen nutrients
  - Adaptation for resource gathering

8.Key Words

Word	Phonetic Symbols	Parts of Speech	English Definition	Sample Sentence
Epiphyte	/ˈɛpɪˌfaɪt/	Noun	A plant that grows on another plant, using it for support but not taking nutrients from it	Epiphytes have developed unique adaptations to survive in the rainforest by growing on other plants.
Canopy	/ˈkænəpi/	Noun	The upper layer of branches and leaves in a forest, which forms a dense covering	The canopy in the rainforest provides shade and protection for the plants and animals living below it.
Decompose	/ˌdiːkəmˈpoʊz/	Verb	To break down or cause something to break down into simpler substances, especially through a natural process	Insects that land on the water stored in urn plants eventually decompose, providing essential nutrients.
Adaptation	/ˌædəpˈteɪʃən/	Noun	A change or adjustment that helps an organism survive and thrive in its environment	The unique leaf formation of urn plants is an adaptation that allows them to store water and nutrients.
Nitrogen-rich	/ˈnaɪtrədʒən rɪʧ/	Adjective	Containing a high amount of nitrogen, an essential nutrient for plant growth	The decomposition of insects in the stored water creates a nitrogen-rich food source for the urn plants.