Tropical Rainforests: Ecology and Biodiversity

Biology

An exploration of tropical rainforest ecosystems, their global importance for biodiversity, climate regulation, and their role in providing food and medicine.

Ecology Environment Science

15 Questions Medium Ages 10+ Apr 10, 2026

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About this Study Set

This study set covers Biology through 15 practice questions. An exploration of tropical rainforest ecosystems, their global importance for biodiversity, climate regulation, and their role in providing food and medicine. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 15 questions from the Tropical Rainforests: Ecology and Biodiversity study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the minimum annual rainfall required for a tropical rainforest?

A 500mm
B 1000mm
C 1500mm
D 2000mm

2 Where are tropical rainforests typically found?

A Near the equator
B Near the poles
C In desert regions
D Only in Europe

3 What percentage of the world's plant and animal species are found in rainforests?

A 10%
B 25%
C 50%
D 80%

4 How do rainforests help cool the Earth?

A By reflecting moonlight
B By absorbing sunlight
C By producing ice
D By blocking wind

5 What percentage of our diet originates from rainforests?

A 25%
B 50%
C 75%
D 80%

6 What percentage of pharmaceutical drugs are derived from rainforest plants?

A 5%
B 15%
C 25%
D 50%

7 What process allows rainforest trees to release oxygen into the atmosphere?

A Photosynthesis
B Respiration
C Transpiration
D Decomposition

8 How many of the world's 250,000 known plant species exist in rainforests?

A 50,000
B 100,000
C 170,000
D 200,000

9 What do rainforests act like to help soak up and release moisture?

A Giant filters
B Giant sponges
C Giant fans
D Giant dams

10 What percentage of all insects are estimated to live in tropical rainforests?

A 25%
B 50%
C 60%
D 80%

11 How do birds help rainforests regenerate?

A By building nests
B By eating predators
C By pollinating plants and dispersing seeds
D By hunting insects

12 Which feature allows lories to feed on flowering plants?

A Strong bills
B Brush tongues
C Sharp claws
D Long tails

13 What do large parrots use their strong bills for?

A Breaking open hard nuts
B Digging in the soil
C Fighting predators
D Building elaborate nests

14 What type of environment are tropical birds, especially on islands, most vulnerable to?

A Extreme weather
B Lack of water
C High altitude
D Cold temperatures

15 Approximately what portion of rainforest plants have been tested for medicinal properties?

A 1%
B 10%
C 25%
D 50%

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