A relationship between two organisms in which one benefits from the other (who is harmed)
What is parasitism?
100
Organisms that eat other organisms instead of producing their own food
What are consumers?
100
A group of organisms of the same species that live together in one place at one time & interbreed
What is a population?
100
Treeless, animals include caribou, lemmings, musk ox, & arctic hares, characterized by permafrost
What is the tundra?
100
The are where a river meets an ocean
What is an estuary?
200
A relationship in which two species live in close association with one another
What is symbiosis?
200
Consumers that eat plants
What are herbivores?
200
The place where an organism lives
What is a habitat?
200
Acidic, nutrient poor soil, 200-225cm of precipitation yearly
What is the tropical rain forest?
200
The scientific study of interactions between organisms & their environment
What is ecology?
300
A relationship between two species in which both species benefit
What is mutualism?
300
Consumers that eat meat
What are carnivores?
300
A community of organisms & their physical environment, both living & nonliving
What is an ecosystem?
300
Wet & dry seasons, 25-75cm of precipitation yearly
What is the grassland?
300
A nonliving component of an environment
What is an abiotic factor?
400
A relationship between two organisms in which one organism benefits & the other is unaffected
What is commensalism?
400
Consumers that eat both plants & meat
What are omnivores?
400
A group of various species that live in the same place & interact with one another
What is a community?
400
Dry, less than 25cm of precipitation yearly, plants include cactus & mesquite, extreme temperatures, very hot during the day& cold at night
What is the desert?
400
The role the organism has in the environment
What is a niche?
500
The act of one organism killing another for food
What is predation?
500
Consumers that eat dead/decaying plants & animals?
What are decomposers?
500
A large region characterized by a specific kind of climate & certain kinds of plant & animal communities
What is a biome?
500
Wide range of temperatures, separated into four seasons, soil rich in nutrients from layers of decomposing leaves, animals include deer, foxes, snakes, & birds
What is the temperate deciduous forest?
500
The level in an energy pyramid would most likely contain the least amount of biomass