biodiversity

Question 1

define biodiversity

Answer 1

a measure of the variation found in the living world

Question 2

define habitat

Answer 2

the place where an organism lives

Question 3

define species

Answer 3

a group of organisms that can freely interbreed to produce fertile offspring

Question 4

define population

Answer 4

all the organisms of the same species , who live in the same place , at the same time , who can breed together

Question 5

define community

Answer 5

all of the populations of different species , who live in the same place , at the same time , who can interact with each other

Question 6

define niche

Answer 6

the role of an organism within its habitat

Question 7

what would a low biodiversity area look like compared to a high biodiversity area ?

Answer 7

• a low biodiversity area is not got much ,very free species
• a high biodiversity , full of coral , species and variety

Question 8

what is biodiversity about ?

Answer 8

• the structural and functional variety

Question 9

what is a habitat biodiversity ?

Answer 9

• a range of habitats in which different species live

Question 10

what are the common habitats found within the UK ?

Answer 10

• sand dunes , woodland , meadows and streams

Question 11

what will each habitat be occupied by ?

Answer 11

• a range of organisms

Question 12

what are the 3 levels of biodiversity ?

Answer 12

habitat biodiversity
species biodiversity
genetic biodiversity

Question 13

what does species consist of ?

Answer 13

• individual organisms that are very similar in appearance , anatomy , physiology , biochemistry and genetics

Question 14

what is species diversity ?

Answer 14

a measure of the number of different species in an area and the relative abundance of each species

Question 15

what is species richness ?

Answer 15

the number of different species in area

Question 16

what is species evenness ?

Answer 16

the relative abundance of each species

Question 17

describe/draw how one area may have the same richness but different species evenness

Answer 17

find on powerpoint

Question 18

what is genetic biodiversity ?

Answer 18

• the variation in alleles between individuals of the same species

Question 19

what happens if genetic diversity is reduced ?

Answer 19

• the species has less capacity to adapt to a changing environment through evolution

Question 20

what is the difference between genetic diversity and variation ?

Answer 20

• variation is expected ( as a result of sexual reproduction ) and can’t be measured

Question 22

what does variation ensure ?

Answer 22

• we don’t all look identical

Question 23

what can genetic variation create ?

Answer 23

• breeds within a species