Ecosystems

Question 1

Ecosystem

Answer 1

A community of plants and animals that interact with each other and the physical environment

Question 2

What is a producer ?

Answer 2

A plant or grass , a plant that gets food from the sun and is eaten by a consumer

Question 3

What is a consumer ?

Answer 3

Sometime that eats the producers

Question 4

How does deforestation affect the ecosystem?

Answer 4

• it exposes the soil beneath to rainfall washing away nutrients
• destroys habitats

Question 5

How can bad weather or climate change effect ecosystems?

Answer 5

• can kill part of the food web
• the habitats is no longer perfect for an animal so they migrate
• climate change can make it hard for the ecosystems to survive e.g. Less rainfall

Question 6

Where are tropical rainforest found ?

Answer 6

Just above or below the equator, as there is heavy rainfall and a lot of sun light

Question 7

Where are deserts found?

Answer 7

Close to the Tropic of Cancer and Capricorn as the air no longer has moisture however is still hot

Question 8

Where are Tropical grasslands found ?

Answer 8

Between tropical rainforests and deserts

Question 9

Where are Temperate grassland found ?

Answer 9

40° and 60° north of the equator

Question 10

Where are deciduous forest found?

Answer 10

Many places at higher latitudes

Question 11

where are coniferous forests found ?

Answer 11

60° north they are cold forests

Question 12

Where is the tundra found?

Answer 12

Arctic Circle

Question 13

Where is Epping Forest located?

Answer 13

East of London and the south-east of the UK

Question 14

How was Epping forest created ?

Answer 14

It is all that remains of a larger forest that colonised England at the end of the last ice age

Question 15

In the last 100” years how has Epping Forest been managed?

Answer 15

hunting grounds for royalty, timber resource, and nowadays recreation

Question 16

What is the biodiversity like in Epping Forest?

Answer 16

There is a high biodiversity meaning a complex food web composed of thousands of species

Question 17

How many species of moss and lichen growth in Epping Forest?

Answer 17

117

Question 18

How many birds species are there in Epping Forest?

Answer 18

38

Question 19

How many species of fungi are there in at Epping Forest?

Answer 19

700

Question 20

Most of Epping Forest trees are deciduous what does deciduous mean?

Answer 20

The tree that loses its leaves in the winter

Question 21

How does the nutrient cycle demonstrate independence of the ecosystem?

Answer 21

• The trees are deciduous and shed their leaves
• decomposers decompose the leaves
• this is then converted into humus in the soil
• plants can then get there nutrients from the soil to grow

Question 22

How are people and the ecosystem independent?

Answer 22

• coppocing used to occur ( cutting back trees to encourage new growth of wood)
• today’s visitors pick berries and flowers in turn this helps spread seeds which stick to their clothes

Question 23

What is a decomposer?

Answer 23

And organism often the bacteria or fungus that feeds on and breaks down dead plant or animal matter, thus making organic nutrients available to the eco-cycle

Question 24

What is the management of Epping Forest ?

Answer 24

• pollarding - cutting of trees at shoulder height to encourage new growth
• allowing old trees to die and collapse naturally allowing the decomposes to decompose the wood and fertilise the soil
• encouraging grazing to maintain the grassland

Question 25

What is the impact on the ecosystem of changing one component?

Answer 25

The whole food chain is disrupted, other biotics may die out aswell as they rely on that specific food source and other biotics will thrive as they have one of their consumers