B1.6 The Environment Flashcards
(21 cards)
battery farming
intensive farming where animals are kept in tiny cages with no room to move
to control temp and predators etc
yield
the amount produced
pest
unwanted animal or plant
biodiversity
the number/variety of species present in an area
sustainable development
development that takes place without depleting natural resources
indicator species
living organisms that indicate the level of pollution
what plant indicates the presence of sulfur dioxide
lichens
habitat
place where an organism lives
community
all living organisms in the same place at the same time
ecosystem
all interactions between living AND NONLIVING (rocks + climate) parts of a habitat
producers
plants tat make their own food by photosynthesis using light energy from the sun
consumer
organisms that eat other organisms for food
what does the arrow on a food chain show
direction of ENERGY FLOW
what do organisms in a food chain use the 10% of chemical energy they get for
growth of new tissue
repair and replacement of cells
two uses of energy released during respiration
growth and movement
3 ways energy can be lost as a food chain
respiration, movement, heat
what is the efficient use of energy released during respiration
growth of new tissue
repair and replacement of cells
do plants use energy during movement
no
3 conditions microorganisms need for the process of decay
warmth
moisture
oxygen
can fertilisers be classed as pollutants
yes