Which of the following plants is known to sometimes live for just a few hours?

• A. Evergreen trees
• B. Ephemeral plants
• C. Woody shrubs
• D. Perennial plants

Answer: (B)

Verified step by step guidance

1. Understand the key terms in the question: 'Ephemeral plants,' 'Evergreen trees,' 'Woody shrubs,' and 'Perennial plants.' Each term refers to a specific type of plant with distinct life cycles and characteristics.
2. Ephemeral plants are known for their extremely short life cycles, often completing their entire life process (germination, growth, reproduction, and death) within a few hours or days under favorable conditions. This is typically seen in environments with brief periods of optimal conditions, such as deserts after rainfall.
3. Evergreen trees are plants that maintain their leaves year-round and typically live for many years. They are not associated with short life spans.
4. Woody shrubs are perennial plants with woody stems that persist year after year. They also do not have short life spans like ephemeral plants.
5. Perennial plants live for multiple years, growing and reproducing over several seasons. They are not characterized by the extremely short life cycle seen in ephemeral plants.