Revising Zoology in a way that helps improve writing skills for answer writing in exams requires a strategic approach. Here are some detailed steps and key pointers to follow:

1. Understand the Exam Format and Requirements:
- Familiarize yourself with the exam format and requirements, such as the number of questions, time limits, and scoring criteria.
- Identify the types of questions commonly asked, such as short-answer, essay, or multiple-choice questions.
- Understand the specific writing skills required, such as clarity, coherence, and succinctness.

2. Develop a Study Plan:
- Create a study plan that includes specific time slots dedicated to revising Zoology.
- Divide the syllabus into smaller topics or subtopics for easier comprehension and efficient revision.
- Allocate sufficient time for both content understanding and answer writing practice.

3. Master the Content:
- Study the Zoology topics thoroughly, referring to textbooks, lecture notes, and reliable online resources like EduRev.
- Make concise notes highlighting the key concepts, definitions, and examples for each topic.
- Use diagrams, flowcharts, or mind maps to visualize and understand complex processes or relationships between different concepts.

4. Practice Answer Writing:
- Begin by practicing with previous years' question papers or sample questions available on platforms like EduRev.
- Start with simple questions and gradually move on to more complex ones.
- Focus on structuring your answers by using appropriate introductions, logical flow, and a conclusion.
- Practice time management to ensure you can complete the required number of questions within the given time frame.

5. Seek Feedback:
- Request your teachers, mentors, or peers to evaluate your answers and provide constructive feedback.
- Pay attention to their suggestions regarding writing style, grammar, clarity, and organization of your answers.
- Incorporate the feedback into your subsequent practice sessions to improve your writing skills gradually.

6. Analyze Model Answers:
- Study model answers provided by coaching institutes, subject experts, or online platforms like EduRev.
- Analyze the structure, language, and key points covered in those answers.
- Identify the patterns or common themes in the model answers to understand the expectations of examiners.

7. Enhance Writing Skills:
- Read extensively on various topics, including scientific articles, research papers, or quality newspapers to improve your vocabulary and writing style.
- Practice writing short essays or articles on Zoology-related topics to enhance your ability to express ideas effectively.
- Make a habit of proofreading your answers to eliminate grammatical errors, improve sentence structure, and enhance overall coherence.

In conclusion, by understanding the exam requirements, mastering the content, practicing answer writing, seeking feedback, analyzing model answers, and enhancing writing skills, you can effectively revise Zoology in a way that helps improve your writing skills for answer writing in exams. Remember to allocate sufficient time, stay organized, and make use of reliable resources like EduRev for comprehensive and detailed preparation.