Which of the following represents an example of a population?

• A. All the animals in a zoo
• B. All the fish in the ocean
• C. All the plants in a garden
• D. All the oak trees in a forest

Answer: (D)

Verified step by step guidance

1. Understand the definition of a population in biology: A population refers to a group of individuals of the same species living in a specific area and capable of interbreeding.
2. Analyze each option to determine if it fits the definition of a population. Consider whether the group consists of individuals of the same species.
3. Option 1: 'All the animals in a zoo' - This includes multiple species, so it does not fit the definition of a population.
4. Option 2: 'All the fish in the ocean' - This includes multiple species of fish, so it does not fit the definition of a population.
5. Option 3: 'All the plants in a garden' - This includes multiple species of plants, so it does not fit the definition of a population. Option 4: 'All the oak trees in a forest' - This consists of individuals of the same species, oak trees, living in a specific area, fitting the definition of a population.