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Topic 7 Ecology Revision Crossword

Across
All of the organisms of one species living in a habitat
The way an organism behaves (e.g. migration to warmer climates) that gives an organism an advantage in its natural environment
A community where all the species and environmental factors are in balance so that the population sizes are roughly constant
Interaction of a community of living organisms with the non-living parts of their environment
Rain, snow, or hail
Mass of living material
Species depend on other species for things such as food, shelter, pollination, seed dispersal, etc.
A line which can be used to study the distribution of organisms across an area
When organisms rival with other individuals or species to get limited resources
The rat in this food chain: grass --> grasshopper --> rat --> hawk
Disposal of waste material on land
Down
A brown, soil-like material that can be used as a fuel
Type of organism that feeds on the remains of dead plants and animals
Non-living factors of the environment (e.g. temperature)
Living factors of the environment (e.g. plants for food)
Type of pollution that includes smoke and acidic gases
Fuel derived from crops, plants, or living matter
The place where an organism lives
Process carried out by plants that removes carbon dioxide from the air
Changing rainfall patterns, extreme temperatures, frequent droughts and/or storms
Cutting down of forests
Populations of different species living in a habitat
The gradual heating up of the earth because of increasing levels of greenhouse gases
Breeding programs, protecting rare habitats, reintroducing hedgerows, recycling
Metal square used in sampling
Variety of different species of organisms on Earth
Type of organism that makes their own food using energy from the Sun
Processes that go on inside an organism's body (e.g. lower metabolism in hibernation) that gives an organism an advantage in its natural environment
Features of an organism's body structure (e.g. shape, colour) that gives an organism an advantage in its natural environment
Type of pollution that includes sewage and toxic chemicals like fertilisers, pesticides, and herbicides