4.1 classification and biodiversity

Question 1

what is classification

Answer 1

Classification is the organisation of living things into groups according to their similarities

such as physical traits behaviour diet and dna

Question 2

what are the five kingdoms

Answer 2

animals plants fungi bacteria protocists (unicellular)

Question 3

what can the animal kingdom be furthest split into?

Answer 3

Vertebra animals that have a backbone and invertebrates animals that don’t have a backbone

Question 4

What can the plant kingdom be further divided into?

Answer 4

flowering plants produce flowers for reproduction like sunflower and grass plants

Flowering plants reproduce using spores like ferns and mosses

Question 5

What is the order of classification?

Answer 5

Kingdom
phylum
class
order
family
genus
species

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Question 6

how do we name animals and why

Answer 6

The binomial system will use the organisms, genius and species to create its name. This avoids confusion which could occur by using common names which differ from region to region scientist know the binomial system is universal and Latin is used to name organisms.

Question 7

What is a morphological adaptation?

Answer 7

A structural change which gives an organism a greater chance of survival in its habitat

Question 8

Why do Fetick foxes have larger ears?

Answer 8

large ears allow heat to be radiated from the body helping it to cool down smaller ears help retain body heat

Question 9

what is a behavioural adaptation?

Answer 9

An organism reacts to its environment which aids its survival

Question 10

How could biodiversity indigent species be conserved and protected?

Answer 10

CITES
SSSI
captive breeding programs, national parks, seed and sperm banks, local biodiversity action plans

Question 11

what are seed banks

Answer 11

place where seeds are stored to preserve genetic diversity

Question 12

What is captive breeding?

Answer 12

The process of breeding animals outside of the natural environment in restricted conditions

Question 13

What resources are needed to for organisms to survive in an environment?

Answer 13

Food light and minerals water

Question 14

What are the factors of affect the size of a population?

Answer 14

Number of predators disease pollution

Question 15

what is interspecific competition

Answer 15

when different species compete for the same resources

Question 16

what is intraspecific competition

Answer 16

when members of the same species compete for the same resources

Question 17

what is biodiversity

Answer 17

a variety of different species of living organisms and the number within each species of an area
the greater the number of different species the greater the biodiversity

Question 18

Why is bio diversity important?

Answer 18

A rich bio diversity of living organisms leads to a stable environment that can withstand situations that would be damaging to organisms living there damaging the environment could damage or food chains and eventually will affect negatively on the human food chain

Question 19

five reasons why biodiversity is important

Answer 19

provides chances of new discoveries potentially leading to new medicines
provided food for other species and humans
potential food resources, new insects that are edible
industrial materials, for new discoveries
human well being, stimulates interest in nature

Question 20

what is CITES

Answer 20

Convention on international trade on endangered species

prevents sale and imports of any objects or body parts to be sold commercially

Question 21

SSSI

Answer 21

Sites of special scientific interest
prevents any disturbances that could lead to loss of biodiversity

Question 22

national parls

Answer 22

strict laws prevents any development that would affect environment

Question 23

captive breeding

Answer 23

promotes breeding of endangered animals to increase population and potentially release them into the wild

Question 24

seed banks

Answer 24

keeping seeds in storage invade of disaster or plant species became extinct

Question 25

what is abundance

Answer 25

measure of the number of species in a given area
often using a quadrat for plants
or capture: recapture for animals

Question 26

Distribution

Answer 26

measure of which species are found within a given area

measured using a line transect to discover where species occur alone the line

Question 27

how do we use quadrats

Answer 27

chose appropriately sized quadrant for the organism and area
to ensure unbiased choice of area create a grid of the area and use a random number generator like a dice to produce coordinates for placing the quadrat
record the number of chosen plants that lie within the quadrat
repeat enough times to give a good representation of the given area

Question 28

how to use a line transect

Answer 28

lay down tape measure along chosen region
at appropriate intervals take a sample and identify each species along the tape measure
repeat many times to get sufficient data

Question 29

what is capture / recapture method used for and how do we use it

Answer 29

to calculate population size
collect a set number of animals
mark the captured animals (pitfall trap)
release them back into the wild
after a set period of time collect a new sample of the same species record the number of animals that are marked and unmarked

Question 30

what is a pest

Answer 30

when organisms negatively affect local wildlife by eating them or destroying their habitats

Question 31

what is biological control

Answer 31

the killing of pest species through the use of another living organism usually a predator

Question 32

what is an alien species

Answer 32

species that occur outside their natural habitat they are spread. h human activity

Question 33

what is an alien species

Answer 33

species that occur outside their natural habitat they are spread. h human activity

Question 34

what are invasive species

Answer 34

animal or plant that harms an environment after being introduced to it by humans

Question 35

what precautions are taken when introducing alien species

Answer 35

The control organism attacks the pest and nothing else
It won’t carry any diseases
Must be able to breed successfully
Process must be closely monitored by scientist

Question 36

disadvantages of biological control

Answer 36

it’s slow
rarely eradicates just lowers numbers