Summer Science Fun Crossword

A gas that is produced when people and animals breathe out, when certain fuels are burned, and is used by plants for energy
The process by which plants make food
A chemical that is found in the air, that has no color, taste, or smell, and that is necessary for life
A type of forest characterized by trees that seasonally shed their leaves
An animal that eats both plants and animals
An organism that serves as a source of food for other organisms in a food chain
A major community type
All the inhabitants of a particular town, area, or country
A system of many food chains
A tropical forest that receives a lot of rain and has very tall trees
A large open area of country covered with grass
An animal that eats other animals
An animal that eats plants
An organism that decomposes organic material
The natural home or environment of an plant, animal, or other organisms
A large area of flatland in northern parts of the world where there are no trees and the ground is always frozen
A series of organisms each dependent on the next as a source of food
A group of organisms or populations living and interacting with one another in a particular environment
An organism that feeds on other organisms in a food chain
The function or position of the species within an ecological community
A biological community of interacting organisms and their physical environment
A moist forest dominated by conifers that begins where the tundra ends