organnisms and their environment

Question 1

food chain

Answer 1

shows the transfer of energy from one organism to the next, beginning with a producer

Question 2

food web

Answer 2

a network of interconnected food chains

Question 3

producer

Answer 3

an organism that makes its own organic nutrients, usually using energy from sunlight, through photosynthesis

Question 4

consumer

Answer 4

an organism that gets its energy by feeding on other organisms

Question 5

herbivore

Answer 5

an animal that gets its energy by eating plants

Question 6

carnivore

Answer 6

an animal that gets energy by eating other animals

Question 7

decomposer

Answer 7

an organism that gets its energy from dead or waste organic matter

Question 8

ecosystem

Answer 8

a unit containing all of the organisms and their environment, interacting together, in a given area, e.g. forest

Question 9

trophic level

Answer 9

the position of an organism in a food chain or food web

Question 10

secondary consumer

Answer 10

the organism in the third trophic level in a food web or food chain

Question 11

primary consumer

Answer 11

the organism in the second trophic level in a food web or food chain

Question 12

tertiary

Answer 12

the organism in the fourth trophic level in a food chain or food web

Question 13

enzymes

Answer 13

a biological catalyst and is almost always a protein

Question 14

fertilizer

Answer 14

natural or artificial substance containing the chemical elements that improve growth and productiveness of plants

Question 15

abiotic

Answer 15

a non-living part of an ecosystem that shapes its environment

Question 16

biotic

Answer 16

a living organism that shapes its environment