Ecosystems and Materials Keywords (YEAR 9)

Questão	Responda
population	a group of the same species that live together in a certain habitat
community	different species in a certain area that interact with each other
ecosystem	certain areas consisting of populations that interact with each other and other abiotic factors
habitat	an area of environment where an organism lives
biotic factors	a living factor in an environment that affects an organism (plants, animals, humans, fungi)
abitotic Factors	a non-living factor in an environment that affects an organism (water, soil, air, heat, light)
interdependence	the loss of one organism that has an effect on other species in a food web
pollution	substances that cause harm in an environment
population density	the numbers in a population per unit area
trophic level	the feeding level an organism occupies in a food web
parasitism	when an organism lives on or within a host and obtains food from it
mutualism	two species living together and benefitting from the relationship
quadrat	a frame of known area used when sampling organisms
belt transect	quadrats placed along a line in a habitat
random sampling	placing quadrats at random positions within a habitat
biomass	the mass of living material within an ecosystem, measured by mass per unit area
producer	primary food producers create their own food from sunlight using photosynthesis
consumer	each consumer gets food from eating the organism from the trophic level before
detrivore	consumers obtaining energy from organic waste and dead organisms
bio-diversity	the variety of species in an area
non-indigenous species	a species that was introduced from another country/place
indigenous species	a species that was born and bred from that place
eutrophication	excessive growth of algea in rivers due to nutrients from nitrates flowing in from farming
conservation	trying to protect an endangered species or habitat
reforestation	planting new trees in an area where they have been cut down
food security	having access to enough healthy food
pest	animal that causes problems to a human or their food source
pathogen	an organism that causes disease
biofuel	plants used to produce fuel
decomposers	organisms that break down carbon compounds in plant or animal waste
potable water	water safe for drinking
desalination	making fresh water from salty water by removing the salt
indicator species	organism whose presence indicates the absence of certain types of pollution

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Ecosystems and Materials Keywords (YEAR 9)

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	Criado por Aafreen Butt mais de 5 anos atrás