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Bio A Pop ecology

Population ecology

TermDefinition
consumer an organism that eats another organism
carnivore an organism that that only eats animals
herbivore an organism that only eats plants
omnivore an organism that eats plants or animals
producer an organism that converts sunlight into stored energy, mainly plants
photosynthesis the process of converting sunlight into sugar or glucose
cellular respiration the process of breaking glucose down Ito release energy
chloroplast part of a plant cell where photosynthesis takes place
mitochondria part of a plant or animal cell where cellular respiration occurs
biodiversity all of the life forms and ecosystems on Earth
autotroph organism that makes its own food using photosythesis
heterotroph organism that must get energy from another organism
What is the original source of all energy on the Earth? sun
decomposer breaks down dead organisms for energy
About how many humans currently inhabit Earth? 7 1/2 million or about 7,500,000
List 3 things that have help the population of humans increase. 1 - better sanitation 2 - improved ways to grow food 3 - better health care 4 - lower death rate of babies
species organisms whose babies can have babies
biosphere place on Earth where things live (land, water, air)
chemical bonds connection between elements where energy is stored
competetion the struggle over resources
What 2 goals do all living things have? 1 - survive 2 - reproduce
predator organism that consumes another for energy
prey organism that gets eaten
Created by: lb goodlock