5.1

Question 1

Organism

Answer 1

Living thing

Question 2

Species

Answer 2

A group of living organisms capable of interbreeding with each other but not with members of other species

Question 3

Population

Answer 3

A group of individuals of the same species living in the same area at a particular time

Question 4

Community

Answer 4

More than one population living in the same area at a particular time

Question 5

Ecosystem

Answer 5

Communities of organisms that interact with each other and their environment

Question 6

Ecology

Answer 6

The study of ecosystems

Question 7

Producers

Answer 7

Organism at the base of the food chain that does not need to feed on other organisms; also known as an autotroph

Question 8

Decomposers

Answer 8

Organisms that break down organic matter into inorganic materials

Question 9

photosynthesis

Answer 9

The food-making process in plants that takes place in chloroplasts within cells. The process uses carbon dioxide, water and energy from the sun

Question 10

autotrophs

Answer 10

Self producers

Question 11

heterotrophs

Answer 11

Self consumers

Question 12

Consumers

Answer 12

Organism that relies on other organisms for its food; also known as a heterotroph

Question 13

Herbivores

Answer 13

Animal that eats only plants

Question 14

primary consumers

Answer 14

The first consumer in a food chain; also known as a first-order consumer

Question 15

Carnivores

Answer 15

An animal that eats other animals

Question 16

omnivores

Answer 16

Animal that eats plants and other animals

Question 17

detritivores

Answer 17

Animal that feeds on and breaks down dead plant or animal matter

Question 18

ecological niche

Answer 18

The position of a species or population in its ecosystem in relation to each other

Question 19

competition

Answer 19

the struggle among organisms for food, territory and other factors

Question 20

parasitism

Answer 20

an interaction in which one species (the parasite) lives in or on another species (the host) from which it obtains food, shelter and other requirements

Question 21

Mutualism

Answer 21

relationship between two different organisms in which both benefit

Question 22

Commensalism

Answer 22

relationship between organisms where one benefits and the other is unaffected

Question 23

Inter specific competition

Answer 23

competition between organisms of the same species

Question 24

Intra specific competition

Answer 24

competition between organisms of different species

Question 25

Predator-prey relationship

Answer 25

relationship between organisms in which one species (the predator) kills and eats another species (the prey)

Question 26

Symbiotic relationship

Answer 26

very close relationship between two organisms of different species. It may benefit or harm one of the partners