B2.5 - B2.5 Knowledge Test

Candidate Name:
1) What are the different levels of organisation in an ecosystem from individual organisms to the whole ecosystem?
2) What is the importance of interdependence and competition in a community?
3) What factors are organisms competing for in a given habitat?
4) What is an ecosystem?
5) What do organisms require to survive?
6) What do plants compete for?
7) What do animals compete for?
8) What do species within a community depend on each other for?
9) What is a stable community?
10) What is an abiotic factor?
11) What abiotic (non-living) factors affect a community?
12) What is a biotic factor?
13) What types of Biotic (living) factors affect a community?
14) What are the producers of biomass for life on Earth?
15) How can feeding relationships be represented?
16) What do all food chains begin with?
17) What is the difference between mean, mode and median?
18) What is the order of energy transfer between secondary consumer, tertiary consumer, producer and primary consumer
19) What is an organism that eats a consumer called? What is a consumer that is eaten by another consumer called?
20) What is a predator-prey cycle?
21) What is an adaptation?
22) How are organisms adapted to live in their natural environment?
23) What are the three types of adaptations organisms can have to survive in the conditions that they live?
24) What is an extremophile?
25) What type of microbe lives in deep sea vents?
26) When would a transect line be used?
27) What different parts of the ecosystem do materials cycle through?
28) Why is it important that carbon and water are cycled through the ecosystem.
29) Why do materials need to be recycled?
30) What process are carbon to be cycled from A) carbon dioxide to producers, B) producers to consumers, C) Producers/consumers/decomposers to carbon dioxide and D) fossil fuels to carbon dioxide
31) How do microorganisms help to cycle material through an ecosystem?
32) Why is precipitation important for organisms in ecosystems?
33) How does water get from the land to the air and the air back to the land?
34) What three factors affect the rate of decay of biological material?
35) Name two groups of people would want to provide optimum conditions for rapid decay of waste biological material.
36) Why would gardeners and farmers want to provide optimum conditions for rapid decay of waste material.
37) Under what conditions can decay produce methane that can be used a biogas fuel?
38) How might changes to the environment affect species?
39) What are potential environmental changes?
40) What might be some causes of changes in the environment?
41) How do the Big Ideas link to this topic?

a) Forces:

b) Particles:

c) Energy:

d) Cells: