Short Answer - every answer should be in between 1 - 3lines.
q. Name ONE physical barrier and ONE anthropogenic(human-caused) barrier that could limit the dispersal of anorganism.
Physical:
Anthropogenic:
q, Give TWO examples of what drives habitat suitability formetapopulations?+
q. Complete the table below to match the ecological term withits definition. Use the definitions numbered 1 - 4.
A: Benthic habitat disturbance _
B: Passive dispersal _
C: Secondary succession _
D: MÄtaitai _
1. Regeneration of an ecosystem after disturbance
2: Enables local management of recreational and customaryfisheries.
3: Leads to a decline in biodiversity, with slow recovery.
4: An organism floats or rafts away from its location
q. Decomposers function in different ways in different habitats.Compare differences between terrestrial and aquatic environmentsindicating which conditions would lead to faster or slowerdecomposition rates.
q. Complete the table below to match the predator impact withthe examples given. Use the predator impacts below.
A: Galaxiid fish no longer occur below waterfalls where trout arepresent _
B: Rats remove juvenile tuatara from the population _
C: Nile perch cause 200 cichlid species to go extinct _
1. Age structure of prey population
2. Community impact
3. Distribution change
q. What is the intended outcome of predator control versuseradication?
Control:
Eradication:
q. Describe, using an example, the major ecological challengeresulting from only eradicating possums, rat and mustelids as partof the Predator-Free NZ campaign
