1. Energy: This is needed to power all the processes of life, including building new cells and tissues. Organisms obtain energy from food.

2. Nutrients: These are the building blocks of cells and tissues. They include things like proteins, carbohydrates, fats, vitamins, and minerals.

3. Water: Water is essential for many biological processes, including transporting nutrients, regulating temperature, and removing waste products.

4. Space: Organisms need space to grow and develop. This can be a physical space, such as a garden or a forest, or it can be a space within an organism, such as the stomach or the intestines.

Let me know if you'd like to explore any of these in more detail!