Populations and Resources Crossword Puzzle

QUESTIONS LIST:

• ecosystem: a community of living organisms interacting in their physical environment
• predation: when one organism hunts and eats another
• biosphere: the part of earth where life exists
• food web: system of interconnected food chains that shows how energy moves through an ecosystem
• biome: a large region with a specific climate, plants, and animals.
• population: a group of the same species living in the same area.
• resource: anything in the environment that organisms need to survive (food, water, shelter)
• energy: the ability to do work; in ecosystems, it comes from the sun and flows through food chains.
• carnivore: an animal that only eats other animals.
• omnivore: an animal that eats both plants and animals.
• herbivore: an animal that only eats plants.
• adaptation: a trait or behavior that helps an organism survive in its environment.
• limiting factor: something that controls the size of a population
• density: the number of individuals in a given area or volume.
• reproduction: the process by which organisms produce offspring to continue their species.