Nature

2. An animal that is hunted and killed for food by another animal
3. The green substance in plants, that allows them to use the energy from the sun
5. A chemical element that is the lightest gas, has no colour, taste, or smell, and combines with oxygen to form water
6. The mixture of gases around the earth
8. To (cause something or someone to) change in form or character
9. An animal that hunts, kills, and eats other animals
13. The process by which a plant uses carbon dioxide from the air, water from the ground, and the energy from the light of the sun to produce its own food and oxygen
14. The material on the surface of the ground in which plants grow

1. One of several substances, such as sugar or starch, that provide the body with energy, or foods containing these substances such as bread, potatoes, pasta, and rice
4. The part of a plant that grows down into the earth to get water and food and holds the plant firm in the ground
7. The light that comes from the sun
8. A young lion, bear, wolf, etc.
10. To make a long, loud, deep sound
11. To get something, especially by asking for it, buying it, working for it, or producing it from something else
12. A forest in a tropical area that receives a lot of rain