4.1 Classification and Biodiversity

Question 1

What are the 5 kingdoms?

Answer 1

animals, plants, fungi, single-celled organisms and bacteria

Question 2

What is the classification order?

Answer 2

Dumb- Domain
King- Kingdom
Phillip- Phylum
Came- Class
Over- Order
For- Family
Great- Genus
Spaghetti- Species

Question 3

Why do organisms have scientific names as well as common names?

Answer 3

It’s a universal language for scientists around the world to use, to any avoid confusion
as species have different names around the world

Question 4

What is an example of a non-flowering plant?

Answer 4

moss, ferns etc.

Question 5

What factors do scientists consider when they classify organisms together?

Answer 5

Similarities in characteristics and DNA

Question 6

What are the two types of adaptions?

Answer 6

morphological and behavioural adaptions

Question 7

What in intraspecific competition?

Answer 7

competition between members of the same species

Question 8

What is interspecific competition?

Answer 8

competition between members of different species

Question 9

What do plants compete for?

Answer 9

water, light, minerals, space, carbon dioxide

Question 10

What do animals compete for?

Answer 10

water, food, mates, oxygen, habitat

Question 11

Other than competition, what other factors can limit the size of a population?

Answer 11

pollution, diseases, predation

Question 12

What is the definition of biodiversity?

Answer 12

the variety of different species and the numbers of individuals within those species in an area

Question 13

What is morphological adaptions?

Answer 13

structural adaptions of the organism

Question 14

What is behavioural adaptions?

Answer 14

Things organisms do to survive

Question 15

Why is biodiversity important to us?

Answer 15

provides us food, industrial materials, new medicines and enhances human well-being

Question 16

Why is it important to take a random sample of an area?

Answer 16

to avoid biased data

Question 17

How would samples be gathered at random?

Answer 17

Use the 20m by 20m grid, and use the two 20 sided dice to determine to co-ordinates

Question 18

State two modifications you would make to a transect sample investigation to increase confidence in results

Answer 18

increase the length of transect

increase the number of quadrat samples

Question 19

State 3 items of information that the field trials would need to determine before the department of environment would grant permission for the release of alien species into the wild

Answer 19

would not carry disease
would survive to breed
would not harm other species

Question 20

What term describes the use of natural predators to kill pests?

Answer 20

biological control

Question 21

What is meant by a specific pesticide?

Answer 21

It only affects one species

Question 22

State 1 advantage and 1 disadvantage of using natural predators to control pests

Answer 22

Advantage: no bioaccumulation
Disadvantage: could carry disease

Question 23

Why is competition necessary in an ecosystem?

Answer 23

it is necessary when resources are limited and it leads to evolution by natural selection

Question 24

Who decides the name of a newly discovered organism?

Answer 24

an international committee