Sustaining Ecosystems

Question 1

Ecosystem

Answer 1

A community of plants and animals that interact with one another and the non-living environment around them

Question 2

Flora
(Plants)

Answer 2

This provides food and homes for fauna and humans

Question 3

Fauna
(Animals)

Answer 3

They help scatter seeds from flora around the ecosystem or biome

Question 4

Autotrophs

Answer 4

Organisms that can convert solar energy into food energy by photosynthesis

Question 5

Heterotrophs

Answer 5

Organisms that consume other organisms as a food source as they cannot make their own food energy

Question 6

Food chain

Answer 6

Shows the direct links between producers and consumers in the form of a chain

Question 7

Food web

Answer 7

Shows all the connections between producers and consumers in a rather more complex way

Question 8

Photosynthesis

Answer 8

Carbon dioxide + water =
Glucose + oxygen

Question 9

Trophic cascade

Answer 9

The transfer of energy through an ecosystem because of food chains

(At each level some energy is lost)

Question 10

Biome

Answer 10

A large ecosystem.
An area on the Earth that has similar climate, plants and animals

Question 11

What are the 8 major biomes?

Answer 11

-Tundra
-Taiga
-Desert
-Tropical rainforest
-Polar
-Temperate forest
-Mediterranean
-Temperate grassland
-Savannah

Question 12

Conventional rainfall
(3 steps)

Answer 12

1. Sun heats the land and air and hot air rises
2. Air cools and condenses to form clouds
3. Rain can then occur

Question 13

Goods

Answer 13

Things we can physically use

Question 14

Services

Answer 14

Things that we are provided with. We do not take these things