bio paper 1

Question 1

photophosphorylation

Answer 1

synthesis of ATP from ADP + Pi using light energy

Question 2

transducer (chloroplast)

Answer 2

change energy from one form to another (light energy into to chemical energy)

Question 3

dehydrogenation

Answer 3

removal of hydrogen using hydrogenase enzymes

Question 4

dehydrogenation

Answer 4

removal of hydrogen using dehydrogenase enzymes

Question 5

decarboxylation

Answer 5

removal of carbon dioxide using decarboxylase enzymes

Question 6

population

Answer 6

the total number of organisms of a single species interbreeding within a habitat

Question 7

habitat

Answer 7

the physical place where an organism lives

Question 8

birth rate

Answer 8

the number of new individuals derived from reproduction per unit time

Question 9

immigration

Answer 9

the movement of individuals into a population

Question 10

biotic factor

Answer 10

a living factor which can influence a population ( pathogen or predation )

Question 11

abiotic factor

Answer 11

a non living factor which can influence a population ( oxygen availability )

Question 12

carrying capacity

Answer 12

the maximum number around which a population fluctuates in a given environment

Question 13

ecosystem

Answer 13

a community in which energy and matter are transferred in complex interactions between the environment and organisms involving biotic and abiotic factors

Question 14

sucession

Answer 14

the progressive changes in the structure and species composition in a community over time

Question 15

community

Answer 15

a group of populations living and interacting with each other in an area

Question 16

niche

Answer 16

the role and position a species has in its environment including all the interactions with its biotic and abiotic factors of its environment

Question 17

carbon foot print

Answer 17

the equivelent amount of carbon dioxide generated by an individual, product or service in one year