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Biodiversity

Teacher: martha jordan
Across
A group of individuals that belong to the same species and live in the same area
Chemical substances an animal needs to survive
Capture energy from sunlight and make their own food
Links all the food chains together
A single nutrient that is scarce
Rate at which organic matter is created by producers
The physical bodies of plants and animals
Another name for autotrophs
Eat dead matter
A group of organisms that can produce fertile offspring
Break down organic matter
Study of interactions among organisms
A basic research technique
Eat only plants
Down
A key ingredient of all living tissue
Needed for DNA and RNA molecules
includes all organisms that live in a particular place.
Eat plants and animals
the most basic research technique
Diagram with relative amounts of energy at each level
When water evaporates from plant leaves
A step in the food chain
A group of different populations that live in the same area
Rely on other organisms to provide their food and energy
Another word for heterotrophs
The main energy source for life on earth
Meat eaters
A group of ecosystems
Needed by all organisms to build proteins