E3: Complete the sentences using words in the box.
| planet | habitat | landform | grassland | ecology | livestock |
Question 1: Earth is the only known _______ where humans and animals can live.
Question 2: A desert is a unique _______ with little water and extreme temperatures.
Question 3: The study of how living things interact with their environment is called ________.
Question 4: Protecting the natural _______ of wild animals is essential for biodiversity.
Question 5: Farmers raise __________ such as cows, sheep, and goats for food and other products.
Question 6: The vast _______ of Africa supports a large variety of animals, such as zebras and lions.