Biodiversity

Question 1

3 elements of biodiversity ?

Answer 1

Ecological: habitats
Genetic: individuals
Organismal : kingdoms

Question 2

What is biodiversity ?

Answer 2

its the variety of all living things and their interactions.

Question 3

What are species ?

Answer 3

is a group of organisms that can reproduce with one another in nature and produce fertile offspring.

Question 4

How many species are there ?

Answer 4

8.7 million

Question 5

What is the classification of the species ?

Answer 5

Domain
Kingdom
phylum
Class
Order
Family
Genes
Species

Question 6

3 simplified phylogenetic tree ?

Answer 6

1) Eukarya
2) Bacteria
3) Archaea

Question 7

How may species are there ?

Answer 7

8.7 million

Question 8

What is adaption ?

Answer 8

its the change that fit its habitat

Question 9

How is adaption recongised ?

Answer 9

Optimality studies
Comparative studies
Experiments

Question 10

How does evolution occur ?

Answer 10

The process of selection

Question 11

3 factors of selection ?

Answer 11

directional
stabilising
disruptive

Question 12

What is speciation?

Answer 12

splitting of one species into two

Question 13

The 2 types of speciation ?

Answer 13

Allopatric speciation
Sympatric speciation

Question 14

Allopatric speciation process ?

Answer 14

Reproductive isolation then divergence

Question 15

Sympatric speciation process ?

Answer 15

Divergence then reproductive isolation

Question 16

The three patterns of evolution ?

Answer 16

Divergent
Convergent
Adaptive radiation

Question 17

The causes of extinction ?

Answer 17

Climate change
Habitat loss
Over exploitation

Question 18

Values of biodiversity ?

Answer 18

Direct: production of food
Indirect: Pollination
Non-use values : existence