1) What is an ecosystem? a) All the living organisms and the non-living things in a specific place, an the relationships between them b) All the living organisms in a specific place and the relationships between them c) All the species that live in a specific place 2) What types of ecosystems are there? a) Aquatic and land b) Land, aquatic and mixed c) Mixed and land 3) Which one is correct? a) Gregarious associations are unorganised groups of the same species. b) Gregarious associations are groups that are very organised. 4) What are anatomical adaptations? a) Are the things that living organisms do in order to survive in their ecosystem b) Are the physical or structural characteristics of a living organism that help it to live in its environment 5) What is biodiversity? a) Is the number of living organisms that live in an ecosystem b) Is the size of an ecosystem c) Is the collection of all the different species that live in an ecosystem 6) Which one is correct? a) Species diversity is when an ecosystem has many different habitats. b) Species diversity is when an ecosystem has many different species. 7) Mutualism is... a) A relationship between different species. b) A relationship between the same species. 8) Which type of relationship normally has a hierarchy? a) Societies b) Commensalism c) Parisitism d) Families 9) Biotope is... a) All the living organisms from an ecosystem. b) A physical place that includes non-living things. c) Different species of a place. 10) An example of behavioural adaptations is... a) Thick fur b) Gills to breathe in water c) Migration 11) Deforestation is... a) Cutting down the trees in rainforests. b) The fast-growing population. 12) Parasitism is... a) When one species gains but the other doesn't lose anything. b) When one species gains and the other loses.  13) An example of parasitism is... a) Fish being together.  b) A pack of wolves. c) Bees with flowers. d) A flea feeding on an animal's blood. 14) An example of commensalism is... a) A frog hidding on a tree. b) A bird eating nectar from a flower.

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