Arrange the following events in the correct sequence linking an environmental challenge to reduced animal growth.

The sequence starts with a challenge, such as cold, heat, or inadequate nutrition. The animal responds in an effort to cope. That response may require extra resources, or the challenge may reduce feed intake; either route can leave fewer resources available for growth. The sequence expresses a general pathway, not a claim that every stressor produces an identical response. **Key takeaway:** Productivity effects follow from the interaction between the challenge, the animal’s response, and available resources.\n\n**Glossary:**\n- **Adaptive response**: A physiological or behavioral change that helps an animal cope.\n- **Nutrient intake**: The amount of nutrients consumed in feed.\n- **Production performance**: Outcomes such as growth, milk yield, or reproduction.