SPM Biology: Ecosystems

Ecosystem is a balanced system created by organisms which do not just interact _________ but also interact _________

• among their species ... with other species

• with each other ... with non-living things

• with living things ... with non-living things

• with each other ... with the environment

A species is a group of similar organisms, able to interbreed and produce offsprings

• TRUE

• FALSE

A population is a group of organisms of the same species which live in different habitats

• TRUE

• FALSE

A community is the populations of all organisms from _________ species living in the ________ habitat whilst interacting with each other

• different ... same

• same ... same

• different ... different

• same ... different

An ecosystem is a few communities that live together in a habitat and interact with each other (________ components) but also non-living ________ components such as water, air and soil to create a balanced system

• probiotic ... conbiotic

• abiotic ... biotic

• biotic ... abiotic

• biotic ... homobiotic

Habitat is the natural surrounding or the living place of an organism /Habitat ialah persekitaran atau tempat tinggal semula jadi sesuatu organisma

Is an aquarium a habitat?

• YES

• NO

• A niche is the (a)   in an ecosystem which includes its behaviour and interactions with biotic and abiotic components in the surrounding of its habitat.

What are the 2 types of niche?

• ecosystem & population

• ecosystem & species

• ecological & population

• ecological & species

Biotic components refer to all organisms (living things) in an ecosystem which interact with other organisms.

Abiotic components are all the non-living elements including their physical and chemical characteristics that can affect an organism in an ecosystem.

• TRUE

• FALSE

All the nonliving things in an environment are called the ________ factors.

• abiotic

• ecological

• biotic

• inorganic