Theme 5 - Processes and interactions within ecosystems

Question 1

What are two main characteristics of large-scale ecosystems?

Answer 1

.rainfall
.temperature

Question 2

What are some examples of biomes?

Answer 2

.desert
.tropical rainforest
.taiga
.savanna

Question 3

What is the relationship between biotic and abiotic parts of the ecosystem?

Answer 3

interdependent relationship (if one part of the ecosystem is altered then the whole ecosystem will be changed

Question 4

Water cycle?

Answer 4

movement of water between stores.

Question 5

Nutrient cycle?

Answer 5

movement of nutrients in the ecosystem between stores.

Question 6

Food chain?

Answer 6

the interconnections between different organisms that rely on one another as their source of food.

Question 7

What are 4 ways in which ecosystems provide key services?

Answer 7

.provisioning services - e.g. providing timber for building, foodstuffs such as honey, ext
.regulating services - reducing risk of floods, preventing soil erosion, providing medicines
.cultural services - spiritual and lesure resources (areas to meditate or walk)
.supporting services - e.g. carbon cycle which maintains the conditions needed for life on Earth