ECOLOGY/VARIETY OF LIFE

Question 1

What is a Habitat

Answer 1

The place where an organisms live

Question 2

What is Ecology

Answer 2

The study of the interaction of organisms in an ecosystem with their environment

Question 3

What is a Enviorment

Answer 3

The biotic and abiotic factors that make up the surroundings

Question 4

What is a population

Answer 4

Number of organisms of the same species that live in a habitat

Question 5

What is an ecosystem

Answer 5

The community of organisms together with the habitat

Question 6

What is a community

Answer 6

Different groups of species living in the same habitat

Question 7

What equipment do you need when measuring the daisy population

Answer 7

A quadratic, tape measure, calculator and a data table

Question 8

Data reliable?

Answer 8

Repeat

Question 9

How will you data be valid and representative?

Answer 9

Random sampling- use random number generator to come up with co-ordinated and use same size quadrat

Question 10

4 abiotic (non living)

Answer 10

Temperature
Humidity
Drought/rainfall
Light

Question 11

5 biotic (living)

Answer 11

Competition 
Predication 
Food availability 
Use of pesticide
Disease

Question 12

Food CHAIN

Answer 12

Producer>primary>secondary> tertiary

Question 13

What do the arrows shows

Answer 13

Flow of energy

Question 14

Pyramid of biomass

Answer 14

Normal pyramid

Question 15

Pyramid of number

Answer 15

The number changed the size e.g. oak tree =small level

Question 16

Equation for respiration

Answer 16

Glucose + oxygen> carbon dioxide + water

Question 17

Equation for photosynthesis

Answer 17

Carbon dioxide + water> glucose + oxygen

Question 18

What is decomposition

Answer 18

Breaking down of bio material, decomposed included bacteria + fungible

Question 19

What is combustion

Answer 19

Burning

Question 20

What are the 4 main greenhouse gases

Answer 20

Water vapour
Carbon dioxide
Nitrous oxide
Methane

Question 21

Global warming is….

Answer 21

The consequence

Question 22

Greenhouse effect is….

Answer 22

The mechanism (method)

Question 23

5 main impacts on global warming

Answer 23

• Ice cap melting= sea levels rise
• climate change= increase extreme weather
• loss of habitat= carol bleach
• animal migration= disease
• extinction= disruption of food chain

Question 24

What is Eutrophication

Answer 24

Fertiliser, nitrate, leaching into rivers, algal reproduction, no sunlight, plants die, no oxygen= bacteria using, water anoxic, fish die

Question 25

Bacteria

Answer 25

• Single celled
• Plasmid is an extra circle of genetic material
• No organelles- no nucleus or vacuole
• obtaining nutritions- some photosynthesis others feed off other organisms

Question 26

Viruses

Answer 26

• 100 times smaller than a single bacteria cells

- not living can do Mrs gren e.g reproduce

Question 27

Fungi

Answer 27

• can’t photosynthesis
• can be single celled
• walls made from chitin
• can’t eat food so they have to absorb it
• the secrete digestive enzymes this is called saprophytic

Question 28

Protoctists

Answer 28

-they are single celled
-some are like plant cells some are like animal cells
Example- Chlorella (green algae) used for medicine