1. ecosystems

Question 1

biodiversity

Answer 1

a range of species within an ecosystem

Question 2

species

Answer 2

a group of organisms which can interbreed and produce fertile offspring

Question 3

population

Answer 3

the total number of living organisms of one type (species) living in a habitat

Question 4

habitat

Answer 4

the place where the organism lives (e.g. in water, in soil, trees etc)

Question 5

community

Answer 5

all the organisms (e.g. plants, animals and micro-organisms) that live in a particular area

Question 6

ecosystem

Answer 6

all the organisms (the community) living in a particular habitat and the non-living components with which the organisms interact

Question 7

niche

Answer 7

a role that an organism plays in a community

Question 8

carnivore

Answer 8

an animal which eats only animals

Question 9

consumer

Answer 9

an animal which eats other organisms

Question 10

herbivore

Answer 10

an animal which eats only plants

Question 11

producer

Answer 11

an organism that can produce its own food

Question 12

predator

Answer 12

an animal that hunts and eats other animals

Question 13

prey

Answer 13

an animal that is hunted and eaten by other animals

Question 14

decomposer

Answer 14

an organism which feeds on dead organisms

Question 15

omnivore

Answer 15

an animal which eats plants and animals

Question 16

intraspecific competition

Answer 16

competition which occurs amongst individuals of the same species and is for all resources required. more intense than interspecific competition

Question 17

interspecific competition

Answer 17

occurs amongst individuals of different species for one or a few of the same resources. less intense