A2 - Biology 3.2 & 3.3

STUDY
PLAY

Terms in this set (...)

Food chain
Series of steps in which organisms transfer energy by eating and being eaten
Heterotrophs
Organisms that obtain food by consuming other organisms
Consumers
Organism that relies on other organisms for energy and food supply
Another word for autotroph
Primary producer
Another word for heterotrophs
Consumer
1° consumer
First thing in the food chain to eat/consume something
2° consumer
Second thing in the food chain that eats/consumes something
3° consumer
Third thing in the food chain that eats/consumes something
4° consumer
4th thing in the food chain that eats/consumes something
Herbivore
A consumer that only eats plants
Carnivore
A consumer that only eats animals
Omnivore
A consumer that eats both plants and animals
Tropic level
Another way to label a food chain using numbers & naming levels
Food web
Network of complex interactions formed by the feeding relationships among the various organisms in a ecosystem
What does the food web show
Shows all the feeding relationships in An ecosystem
What does the food chain show
Shows one specific feeding relationship in an ecosystem
Scavenger
Vulture
Detritivore
Worms
Decomposer
Bacteria
Order of producers and organisms
- Primary producer
- Primary consumer
- second consumer
- 3° consumer
Ecology
the study of interactions among organisms and between organisms and
their physical environment.
Abiotic
Non living
Biotic
Living
Species
a group of similar
organisms that can breed
and produce fertile
offspring.
Population
is a group
of individuals that
belong to the same
species and live in the
same area.
Community
an assemblage of
different populations
that live together in a
defined area.
Ecosystem
all the organisms that live in a place, together with
their physical
environment.
Biome
a group of ecosystems that share similar climates and typical organisms.
Biosphere
All life on earth and all parts of the earth in which life exist including land, water, and the atmosphere
Autotroph
Create own food
Biodiversity
Number of species
Photosynthesis
process that captures light energy
and uses it to power chemical reactions that
convert carbon dioxide and water into oxygen and
energy-rich carbohydrates such as sugar and
starches.
Chemosynthesis
Process that uses chemical energy to produce carbohydrates.