Science Flashcards
Energy pyramid-
model that shows the available amount of energy in each trophic layer in an ecosystem
Food web-
a model that shows many different feeding relationships among living things
Decomposer-
organisms which carry out the process of decomposition by breaking down dead or decaying organisms
Food Chain-
a model that shows one set of feeding relationships among living things
Coniferous-
a type of plant with needle-like leaves that uses cones to reproduce
Consumer-
an organism that eats other living things to get energy; an organism that does not produce its own food (related)
Biome-
a major ecological community such as grassland, tropical rain forest, or desert
Deciduous-
a forest containing trees that lose their leaves each year
Ecology-
the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
Cycle-
a process that repeats
Nitrogen Cycle-
a process in which nitrogen in the atmosphere enters the soil and becomes part of living organisms then eventually returns to the atmosphere
Biotic factors-
all of the living parts of an ecosystem
Water Cycle-
the continual movement of water between the land, ocean, and the air
Abiotic Factor-
all of the nonliving parts of an ecosystem
Producer-
an organism that makes its own food; an organism that does not consume other plants or animals