Term
|
Definition
| In his experiments with two species of paramecia, GF Gause proved that two competitors cannot coexist on the same limiting resource. |
|
|
Term
|
Definition
| The behavioral adaptation that allows animals to exploit the nutrients, climatic conditions, and habitats that are available only seasonally. |
|
|
Term
|
Definition
| A severely reduced state of physiological activity during the summer or winter months is characteristic of this type of rhythmic patter. |
|
|
Term
|
Definition
| This type of succession would most likely occur following a forest fire. |
|
|
Term
|
Definition
| Competition that occurs among individual of the same species. |
|
|
Term
|
Definition
| The general term for the biotic relationship in which one organism feeds upon another. |
|
|
Term
|
Definition
| The biological relationship in which two dissimilar organisms live together in a close association. |
|
|
Term
|
Definition
| The first species to colonize a new habitat in the process of succession. |
|
|
Term
|
Definition
| Organisms that are active during the day. |
|
|
Term
|
Definition
| Organisms that live in ecosystems along coastlines have evolved to respond to the rhythms of this. |
|
|
Term
|
Definition
| The sequential replacement of populations in an area that has not previously supported life. |
|
|
Term
|
Definition
| The increase of nutrients in a lake. |
|
|
Term
|
Definition
| In a parasitic relationship, the organism that provides benefits to another organism at its own expense. |
|
|
Term
|
Definition
| Intermediate communities that arise during the process of succession |
|
|
Term
| density-independent factors |
|
Definition
| In terms of factors that affect the population growth, volcanic eruptions and earthquakes are considered this. |
|
|
Term
|
Definition
| The change in the number of individuals in a population over time is called this. |
|
|
Term
|
Definition
| When the population level of a species is larger than the carrying capacity of the environment, the population will most likely do this. |
|
|
Term
|
Definition
| If 100 sunfish occupy 1,000 m3 of water, this is the population density. |
|
|
Term
| domestication of plants and animals |
|
Definition
| In general,this is what made it possible for humans to increase their food supply and even create a surplus. |
|
|
Term
|
Definition
| The population is increasing by about this many people per year. |
|
|
Term
|
Definition
| This is how many people, approximately, are in the world today. |
|
|
Term
|
Definition
| The general term for a graph the number of individuals in a population over time. |
|
|
Term
|
Definition
| The term used to refer to the type of growth that occurs when a population keeps doubling in increasingly shorter periods of time. |
|
|
Term
|
Definition
| Describes the maximum size of a population an environment can support. |
|
|
Term
|
Definition
| Type of growth curve includes a lag phase, and exponential phase, and an equilibrium phase. |
|
|
Term
|
Definition
| Describes the number of individuals in a population in a given ecosystem at a given time. |
|
|
Term
|
Definition
| Phase of population growth would most likely be characterized by very few females reproducing young. |
|
|
Term
|
Definition
| Describes factors such as food supply and available space that affect population growth. |
|
|
Term
|
Definition
| Refers tot he rate at which a population will grow if all individuals survive and reproduce at maximum capacity. |
|
|
Term
|
Definition
| An animal that maintains its body temperature within a narrow range even when the environmental temperature is varies is known as this. |
|
|
Term
|
Definition
| The role a species plays in its environment is called this. |
|
|
Term
|
Definition
| An animal that feeds on leaves form only a few species of plants is an example of this. |
|
|
Term
|
Definition
| In an ecosystem, the organic nutrients are manufactured by: |
|
|
Term
|
Definition
| Oxygen is returned to the atmosphere as a result of: |
|
|
Term
|
Definition
| The primary producers in a grassland ecosystem would most likely be: |
|
|
Term
|
Definition
| The total dry weight of the organisms in an ecosystem is called: |
|
|
Term
|
Definition
| In the nitrogen cycle, plants use nitrates and nitrites to form: |
|
|
Term
| movement of inorganic materials |
|
Definition
| Biogeochemical cycles generally describe: |
|
|
Term
|
Definition
| When one animal consumes another, energy is transferred between the organisms through: |
|
|
Term
|
Definition
| The lease amount of energy in the ecosystem is found in the level consisting of: |
|
|
Term
|
Definition
| General term given to bacteria that break down dead tissues. |
|
|
Term
|
Definition
| Describes the total amount of energy produced in an ecosystem. |
|
|
Term
|
Definition
| Describes the interrelated food chains in an ecosystem. |
|
|
Term
|
Definition
| Consumers that eat only primary producers. |
|
|
Term
|
Definition
| Cellular respiration and photosynthesis are the two processes that form this biogeochemical cycle: |
|
|
Term
|
Definition
| The process in which anaerobic bacteria break down nitrates an release nitrogen gas back into the atmosphere: |
|
|
Term
|
Definition
| Phenomenon characterized by a rise in global temperatures resulting from the burning of fossil fuels. |
|
|
Term
|
Definition
| Describes the physical area in which an organism lives. |
|
|
Term
|
Definition
| Ecological pyramid uses kilocalories to measure the trophic level. |
|
|
