Ecosystems And Peatlands Flashcards Preview

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Flashcards in Ecosystems And Peatlands Deck (28)
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What is an ecosystem

A living community of plants and animals and the environment in which they live

1

What are the living elements of ecosystems

Plants, animals, humans and bacteria

2

What are the non-living elements of ecosystems

Sunlight, air, water, rocks and soil

3

How does an ecosystem work

-The plants make food inside themselves using the suns energy

1.the plant traps the suns energy in chlorophyl
2.it takes in carbon dioxide through its leaves and water through its roots
3.it uses the suns energy to turn see into glucose - this process is called photosynthesis
4. It combines glucose with minerals from the soil it needs to grow(these minerals are called nutrients[nitrogen, potassium and phosphorus])

4

What eats plants

Herbivores

5

What do carnivores eat

Animals

6

What do omnivores eat

Plants and meat

7

Give two examples of decomposers

Fungi and bacteria

8

What do decomposers feed on

Dead animals, droppings and other waste material

9

What does a food chain show

What eats what

10

Give an eg of a food chain

Plant(producer) -> caterpillar (herbivore) -> wood mouse (carnivore) -> fox (carnivore)

11

What does a food chain always stat with

A plant

12

What is passed along the chain

The energy from the sun which was trapped by the plant

13

Why are food webs better than food chains

They are more realistic because consumers will generally eat more than one thing

14

What will every living thing become

A feast for the decomposers

15

What do decomposers do when they make material rot

They release nutrients from it and then they sink back into the soil and get used all over again

16

What is peat

Partially decomposed plant material which has been compressed under water-logged conditions

17

How long to peat bogs take to form

Average of 1cm every 10 years

18

What does this give us evidence of

What past environments were like

19

What do we call peatlands in Ireland

Bogs

20

How do bogs form?

1. The last ice age ended 10,000 years ago - when the ice melted valleys and lakes filled with water

2. Plants and vegetation grow around the lake, they died and fell in, slowly filling up the lake

3. When the lake was full, mosses and trees grew on the surface, they died and created layers of partially decomposed material -> peat

21

What are the two types of bogs

Raised bogs and blanket bogs

22

Name 3 bog plants

Heather, sundew and bog cotton

23

Name 3 peatlands animals

Hare, rabbit and frog

24

Name 3 ways peatlands are being destroyed

-Cutting peat for milling in horticulture
-dumping rubbish
-grazing sheep

25

What do peatlands preserve

1. Plants and pollen which grew here in the past and record past vegetation and climates

2. Artifacts and bog bodies

26

What do peatlands provide

Habitats for animal species which would become extinct because they only live in bogs

27

Give 3 ways we can protect peatlands

-use wooden walkways to keep public off sensitive areas
-information boards educate the public about bog areas
-give peatlands ASSI status (areas of special scientific interest)