Plants and animals are an essential part of Earth's ecology. When we speak about a specific habitat and time, we refer to them as flora and fauna. (37) ______. They are fascinating to study due to their beauty and significance to human life.
First, the flora and fauna on Earth create an ecological balance, making life possible (J for humans. Flora releases oxygen for humans. The carbon dioxide we breathe out is vital to plants. Humans also rely on plants and animals for food, medicine, and water.
Second, plants and animals combine to create a food chain. In the food chain, (38) ______. They feed on plants and, in turn, are the prey of other animals. Their droppings become fertilisers for plants.
(39) ______. People love and appreciate the natural beauty, the relaxed feeling in green spaces and water areas.
However, plants and animals are facing habitat loss, pollution, and climate change. To protect them, we should raise people's awareness of their significance, (40) ______, and build nature reserves for our wildlife.
A. Flora refers to plants and fauna refers to animals
B. stop hunting, plant more trees
C. the animals play an important part
D. Finally, plants and animals add a lot of beauty to our Earth
Question 37. _________