Biology Part 1 FOOD CHAINS AND WEBS Flashcards
Ecology
studies the relationship of organisms with their environment and with each other
Ecosystem
a community of biotic and abiotic things interacting with each other
Niche
the role an organism plays in its environment
Habitat
the area where an organism naturally grows or lives
Atmosphere
layer of gases above the Earth’s surface, it moderates temperature, holds in thermal energy and blocks out ultraviolet (UV) light
Lithosphere
made up of the rocks on Earth’s solid landscape, including the mountains and ocean floor
hydrosphere
all the water on Earth’s surface, about 70% of Earth’s surface (constantly moving, affects weather)
Biosphere
area withing the hydrosphere, lithosphere, and atmosphere
biotic
living parts of an ecosystem (including their remains and wastes)
abiotic
non-living parts of an ecosystem
population
a group of individuals of the same species living in the same area
community
the interaction of many populations
trophic level
the level of an organism in an ecosystem depending on its feeding position in the food chain
autotrophs
organism that can make their own food
heterotrophs
organisms that must consume other organisms to obtain food
decomposers
an organism that decomposes organic material
omnivore
organisms that feed on both producers and non-producers
carnivore
organisms that consume non-producers to obtain food
herbivore
organisms that consume plants
scavengers
organisms that feed on the bodies of larger dead animals
food chain
a LINEAR representation of feeding patterns between different organisms in a specific area
food web
the interconnected relationship of the feeding patterns of different organisms in a specific area
How much energy from the sun do plants absorb?
plants absorb 0.023% of energy passed from the sun
Photosynthesis
process of converting solar energy into chemical energy usable by cells (this chemical energy is stored into glucose)
