The study of the interaction between groups of organisms and their environment

Is a community of organisms and their environment.

The part of the earth & its atmosphere where life can exist

An organism that makes its own food.

members of the same species living in an area.

different populations in an area.

What is an Ecosystem?

An ecosystem is a community (living) of organisms and their environment

What is the Biosphere?

The biosphere is the part of the earth and its atmosphere in which life can exist.

Biotic factors that affect organisms (living)

Competitors Predators Parasites and pathogens

2. Abiotic: These are non-living factors.

Altitude (how high are is) Aspect (slope of the area) Exposure (how exposed an area is)

Edaphic factors - Factors related to soil

Soil type, Soil pH, Available (soil) water,

a sequence of organisms in which each one is eaten by the next so organisms can receive energy.

consists of two or more interlinked food chains.

all the plants in an ecosystem.

all the animals in an ecosystem.

organisms that feed on animals killed by other sources

An organisms niche is the functional role of that organism in its habitat.

Biodiversity is the variety of life that exists in a specific area.

🡪negatives of humans on biodiversity

loss of habitats (deforestation, housebuilding, agriculture). 2) Overexploitation (such as overfishing, overhunting).

🡪benefits of humans on biodiversity (Conservation)

Conservation areas (protected areas like national parks that help preserve habitats)

if an organism is present or not

tells you the number of organisms present

an alteration that improves an organism’s chances of survival and reproduction.

occurs when two organisms from different species live in close association for the benefit of at least one of the organisms.

(where one organism benefits but the other is harmed)

Role of symbiotic relationships in nature

Population control: Parasites help to control the numbers in populations.

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Ecology

Question	Answer
Ecology	The study of the interaction between groups of organisms and their environment
Ecosystem	Is a community of organisms and their environment.
Biosphere	The part of the earth & its atmosphere where life can exist
Producer	An organism that makes its own food.
Population	members of the same species living in an area.
Community	different populations in an area.
What is an Ecosystem?	An ecosystem is a community (living) of organisms and their environment
What is the Biosphere?	The biosphere is the part of the earth and its atmosphere in which life can exist.
Biotic factors that affect organisms (living)	Competitors Predators Parasites and pathogens
2. Abiotic: These are non-living factors.	Altitude (how high are is) Aspect (slope of the area) Exposure (how exposed an area is)
Climatic factors (abiotic)	Temperature Rainfall Humidity
Edaphic factors - Factors related to soil	Soil type, Soil pH, Available (soil) water,
Food chain	a sequence of organisms in which each one is eaten by the next so organisms can receive energy.
Food web	consists of two or more interlinked food chains.
Flora	all the plants in an ecosystem.
Fauna	all the animals in an ecosystem.
Scavengers	organisms that feed on animals killed by other sources
Niche	An organisms niche is the functional role of that organism in its habitat.
food chains have no more than 4 or 5 levels	yes
Biodiversity	Biodiversity is the variety of life that exists in a specific area.
🡪negatives of humans on biodiversity	loss of habitats (deforestation, housebuilding, agriculture). 2) Overexploitation (such as overfishing, overhunting).
🡪benefits of humans on biodiversity (Conservation)	Conservation areas (protected areas like national parks that help preserve habitats)
qualitative study	if an organism is present or not
quantative study	tells you the number of organisms present
Adaptations:	an alteration that improves an organism’s chances of survival and reproduction.
Symbiosis:	occurs when two organisms from different species live in close association for the benefit of at least one of the organisms.
-b)Parasitism	(where one organism benefits but the other is harmed)
Role of symbiotic relationships in nature	Population control: Parasites help to control the numbers in populations.

Created by: jp123456789

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