Aerobic atmosphere is maintained by_______

Options

A. prokaryotes
B. Protists
C. Plants
D. fungi

Answer

To solve the question "Aerobic atmosphere is maintained by_______", we can follow these steps:

### Step 1: Understand the term "Aerobic Atmosphere"
An aerobic atmosphere refers to an environment that is rich in oxygen. This is crucial for the survival of many organisms, including humans.

**Hint:** Think about what processes contribute to the presence of oxygen in the atmosphere.

### Step 2: Identify the processes that produce oxygen
The primary process that produces oxygen in the atmosphere is photosynthesis. During photosynthesis, organisms convert carbon dioxide and water into glucose and oxygen, using sunlight as energy.

**Hint:** Recall which organisms are known for performing photosynthesis.

### Step 3: Evaluate the options provided
1. **Prokaryotes**: Some prokaryotes, like cyanobacteria, can perform photosynthesis and release oxygen. However, not all prokaryotes are photosynthetic.

2. **Protists**: While some protists can perform photosynthesis (like algae), many are non-photosynthetic. Thus, this option is not entirely correct.

3. **Plants**: Green plants are the primary producers of oxygen through photosynthesis. They are the main contributors to maintaining an aerobic atmosphere.

4. **Fungi**: Fungi do not perform photosynthesis and are therefore non-photosynthetic.

**Hint:** Consider which of these groups are predominantly known for oxygen production.

### Step 4: Determine the correct answer
After evaluating all the options, the only group that consistently maintains an aerobic atmosphere through the process of photosynthesis is **plants**.

**Final Answer:** The correct answer is **C) Plants**.