Ecosystems

Question 1

What is an ecosystem

Answer 1

A natural system made up of plants animals and the environment

Question 2

Biotic meaning

Answer 2

Living features of an ecosystem

Question 3

What is the role of producers

Answer 3

They convert energy from the environment into sugars such as by photosynthesis so plants are producers

Question 4

What is the role of consumers

Answer 4

They get energy from the producers such as pond snails as they eat plants

Question 5

What is the difference between food web and food chain

Answer 5

Food chain shows the direct links between produced and consumers in the form of a simple line however a food web shows all the connection between them in a rather more complex way

Question 6

What is the role of decomposers

Answer 6

They break down plant and animal material and return the nutrients to the soil. Bacteria and fungi are good examples

Question 7

What causes change to ecosystems

Answer 7

Global scale changes like climate change or local scale changes like when a hedge is removed

Question 8

What is an example of a natural change caused by ecosystems

Answer 8

Droughts

Question 9

What are some impacts of human changes that occur in ecosystems

Answer 9

Ponds may be drained for farming causing stuff to die. Woods cut down destroying habitat for birds and effecting nutrient cycle. Hedgerows removed to increase size of fields

Question 10

If named example for change in ecosystem

Answer 10

Say Avington park lake