Find the incorrect pair.

Options

A. Humans - Ureotelic
B. Birds - Uricotelic
C. Lizards - Uricotelic
D. Whale - Ammonotelic

Answer

To solve the question of finding the incorrect pair regarding the excretion types of various organisms, we will analyze each pair given in the question step by step.

### Step 1: Understand the Terms
- **Ureotelic**: Organisms that excrete urea as their primary nitrogenous waste. This includes humans, adult amphibians, and some mammals.
- **Uricotelic**: Organisms that excrete uric acid. This is typical for birds, some reptiles, and land snails.
- **Ammonotelic**: Organisms that excrete ammonia, which is highly toxic and requires a large amount of water for excretion. This is common in aquatic animals, such as many fish and some protozoans.

### Step 2: Analyze Each Pair
1. **Humans - Ureotelic**: This is correct. Humans excrete urea.
2. **Birds - Ureotelic**: This is incorrect. Birds are uricotelic as they excrete uric acid.
3. **Lizards - Ureotelic**: This is correct. Lizards excrete urea.
4. **Whales - Ammonotelic**: This is incorrect. Whales are ureotelic, not ammonotelic.

### Step 3: Identify the Incorrect Pair
From the analysis:
- The pair **Birds - Ureotelic** is incorrect.
- The pair **Whales - Ammonotelic** is also incorrect.

However, since we need to find just one incorrect pair, we can conclude that the pair **Whales - Ammonotelic** is the most relevant incorrect option since whales are mammals and primarily excrete urea.

### Final Answer
The incorrect pair is **Whale - Ammonotelic**.

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