1. What assumption is made to make mark-release-recapture accurate?
- That the markings cant be easily seen
- The marked sample had had time and opportunity to mix with the population
- That there has to be large change in population size
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Other questions in this quiz
2. What is meant by abiotic conditions?
- All the organisms of one species in a habitat
- The non-living conditions of an ecosystem
- The living conditions of a ecosystem
3. What are pooters?
- A square frame divided into the grid of smaller squares
- Jars that have rubber bands which seal the top and two tubes stuck through the bung
- Steep-sided containers that are sunk in a hole in the ground
4. What does stage 3 of the demographic transition model show?
- Birth rate and death rate fluctuates at a low level. The population remains stable but high
- Birth rate falls dramatically, death rate falls slowly. The population increases
- Death rate falls but birth rate remains high. The population rapidly increases
5. What method is used to investigate insects found in vegetation?
- Beating trays
- Pitfall traps