Term | Definition |
Species | A group of organisms that can mate with each other and produce offspring that can also mate and reprouduce |
Species | Humans are the ultimate invasive species with an appalling record of exploitation and destruction |
Population | Members of one species living in a particular area |
Population | The population of San Francisco is 825,863 in 2012 |
Community | all the different populations that live together in an area |
Community | The big community in the world is the Huntley Park District |
Ecosystem | The community of organisms that live in a particular area,along with their nonliving environment |
Ecosystem | Scientists can detect many effects of people marine ecosystem |
Ecology | The study of how organisms interact with each other and with their environment |
Ecology | My second line of research concerns the behavioral ecology of social bees |
Immigration | Moving into a population |
Immigration | Racism must not panic us into changing immigration policies |
Emigration | Leaving a population |
Emigration | Another trend to watch is emigration from rich countries |
Population
Density | The number of individuals in an area of a specific size (number of individuals/unit area |
Population
Density | The population density of New Mexico is much less than New York |
Limiting
Factor | An environmental factor that causes a population to stop growing or decrease in size (ex. weather conditions,space,food and water |
Limiting
Factor | One limiting factor of solar power is that access to the sun in the constant |
Carrying
Capacity | The largest population that an area can support |
Carrying
Capacity | Consider the carrying capacity with current feeding standards |
Niche | The role of an organism in its habitat |
Niche | A poor little hamster was stuck in the niche of a rock |
Competition | The struggle between organisms to survive as they attempt to use the same limited resources |
Competition | The 2014 dance competition is next Friday night |
Symbiosis | A relationship in which two species live closely together and at least one of the species benefits |
Symbiosis | The trade that peacefully occurs between the two warning tribes is viewed as an example of symbiosis |
Mutualism | A relationship in which both species benefits |
Mutualism | My favorite form of Mutualism is the biological kind |
Commensalism | A relationship in which one species benefits and the other species is neither helped nor harmed |
Commensalism | Remoras and sharks have a relationship called Commensalism |
Parasitism | A relationship that involves one organisms living, on, or inside another organism and harming it |
Parasitism | Dogs have quite reached that point in their parasitism of human society |