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What type of ecological succession occurs where an existing community has been removed by a disturbance such as a clear-cut or fire, while the soil is left intact?
What type of ecological succession occurs where an existing community has been removed by a disturbance such as a clear-cut or fire, while the soil is left intact?
What biome, comprised mostly of deciduous trees, has four changing seasons including winter, spring, summer, and fall?
What biome, comprised mostly of deciduous trees, has four changing seasons including winter, spring, summer, and fall?
What name is given to the scientific discipline that studies where plants and animals live throughout the world?
What name is given to the scientific discipline that studies where plants and animals live throughout the world?
What name is given to the land biome that rims the Arctic Circle and around the North Pole?
What name is given to the land biome that rims the Arctic Circle and around the North Pole?
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What two-word term refers to the process in which communities of plant and animal species in a particular area are replaced over time by a series of different and often more complex communities?
What two-word term refers to the process in which communities of plant and animal species in a particular area are replaced over time by a series of different and often more complex communities?
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What name is given to factors affecting organisms that are related to the soil?
What name is given to factors affecting organisms that are related to the soil?
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What is the scientific study that focuses on the study of inland aquatic ecosystems like lakes, reservoirs, ponds, rivers, springs, streams, wetlands, and groundwater?
What is the scientific study that focuses on the study of inland aquatic ecosystems like lakes, reservoirs, ponds, rivers, springs, streams, wetlands, and groundwater?
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What term refers to ecosystems of stationary or relatively still freshwater such as ponds, lakes, and wetlands?
What term refers to ecosystems of stationary or relatively still freshwater such as ponds, lakes, and wetlands?
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What adjective describes the area in or around moving water like a stream or a river?
What adjective describes the area in or around moving water like a stream or a river?
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This quantity for bodies of water can be measured by a device called a Secchi disk. What is this quantity that measures the relative cloudiness of water?
This quantity for bodies of water can be measured by a device called a Secchi disk. What is this quantity that measures the relative cloudiness of water?
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What term, which comes from the Latin for 'dwelling,' is not necessarily defined by a geographical area - for a parasitic organism, it is the body of its host?
What term, which comes from the Latin for 'dwelling,' is not necessarily defined by a geographical area - for a parasitic organism, it is the body of its host?
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In the 19th century, homesick settlers introduced two dozen of these creatures from Britain into Australia. Within three decades, they spread out across the entire southern part of the continent, wiping out shrubs and grasses on a huge scale. What creatures were they?
In the 19th century, homesick settlers introduced two dozen of these creatures from Britain into Australia. Within three decades, they spread out across the entire southern part of the continent, wiping out shrubs and grasses on a huge scale. What creatures were they?
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What do we call species introduced to an area to which they are not native?
What do we call species introduced to an area to which they are not native?
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What is the sum total of all the genes that exist among all the individuals of a species?
What is the sum total of all the genes that exist among all the individuals of a species?
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Damage caused by these chemicals was discovered by Sherry Rowland and Mario Molina, who first published a paper suggesting the connection in 1974. What group of chemicals has been heavily regulated because of its destructive effects on the ozone layer?
Damage caused by these chemicals was discovered by Sherry Rowland and Mario Molina, who first published a paper suggesting the connection in 1974. What group of chemicals has been heavily regulated because of its destructive effects on the ozone layer?
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Caused chiefly by $CO_2$, what is the natural effect that traps heat in the atmosphere (troposphere) near the earth's surface with resulting increases in temperature?
Caused chiefly by $CO_2$, what is the natural effect that traps heat in the atmosphere (troposphere) near the earth's surface with resulting increases in temperature?
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