T12. Dynamics of Ecosystems

What is a biotope?

• Conditions like temperature, soil type and light

• The physical environment

• Synonym of biocenosis

• A) and B) are correct

What is an ecological niche?

• It is a synonym of habitat

• Biotope + biocenosis

• The physical environment where a organism can live

• The role and position that a species occupies in an ecosystem

In order to feeding behaviour, what is a producer?

• It can be a plant

• A organism that makes its own food

• They are autotrophs

• All of them are correct

What is a decomposer

• It can be a secondary consumer

• A organism that feeds on the remain of other living beings

• Fungi can't be decomposers

• A bird

What does this image represent?

• An habitat

• A food chain

• A trophic network

• A trophic pyramid

A relationship between two squids of the same species might be...

• Instraspecific relationship

• Interespecific relationship

• Food chain

• Trophic network

Colonial forms are...

• A flock of birds

• A type of intraspecific relationship

• A) and B) are correct

• Synonym of gregarious association

Which are the different types of interspecific relationships?

• Family association, social association, Predation, commensalism, parasitism and symbosis

• Predation, commensalism, parasitism, symbosis and family association

• Inquilinism, mutualism, commensalism, predation, parasitism and symbiosis

• All of them are false

An ecosystem is in equilibrium when

• When there is an equilibrium between producers, predators and prey

• The population of its biocenosis is limited by natural factors

• A) and B) are correct

• All of them are false

How can you conserve the environment?

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