B2.1 population ecology & interactions, taxonomy

Question 1

Abiotic

Answer 1

Non-Living Factors (climate, nutrients, pH)

Question 2

biotic

Answer 2

living organisms

Question 3

habitat

Answer 3

where an organism lives

Question 4

species

Answer 4

organisms that can interbreed and produce FERTILE OFFSPRING

Question 5

population

Answer 5

one species, one place, one time

Question 6

7

population interactions

Answer 6

predator, prey, producer, consumer, mutualism, parasitism, pathogen

Question 7

community

Answer 7

interaction of living things

Question 8

ecosystem

Answer 8

sustainable environment where geochemical cycles recycle nutrients for life

Question 9

biosphere

Answer 9

the part of the Earth in which life
exists

Question 10

the biosphere comprises of…

Answer 10

the soil, where decomposers recycle nutrients
water systems such as lakes and oceans, land and the Air.

Question 11

classification is usually based on

Answer 11

identifiable physical characteristics.

Question 12

7

classification groups in order

Answer 12

kingdom, phylym, class, order, family, genus, species

Question 13

the first name is the (1), the second name is the (2)

Answer 13

1: genus (capital letter)
2: species (underlined or italicised)

Question 14

herbivory

Answer 14

eating plants only

Question 15

predation

Answer 15

eating animals only

Question 16

parasitism

Answer 16

One Benefits Host is Harmed

Question 17

mutualism

Answer 17

both benefit

Question 18

disease

Answer 18

caused by a pathogen

Question 19

for… 4/5

competition

Answer 19

space, water, food (or light), mates in animals

Question 20

selection pressures

Answer 20

external factors that may limit a population’s ability to thrive

Question 21

interspecific

Answer 21

competition between species

Question 22

intraspecific

Answer 22

competition between members of the same species

Question 23

the 5 kingdoms are…

Answer 23

protists, animals, plants, fungi, bacteria

Question 24

taxonomy

Answer 24

science of classifying organisms in to the existing natural classification system

Question 25

dichotomous key

Answer 25

used to identify an organism based on physical features

Question 26

what must a dichotomous key contain?

Answer 26

• yes/no questions
• relation to visible features (in an image)
• no subjective questions

Question 27

what do taxonomists do?

Answer 27

classify and identify species using large collections of specimens and comparing DNA