Posts Tagged ‘traps’

in a mark/recapture study, an ecologist traps, marks, and releases 25 voles in a small woodland. A week late the trap is reset and she captures 30 voles. 10 of the 30 were marked. What is her estimate of the population?

Matching:
(words:decomposers, community, food web, food chain, sun, producers, pyramid of energy)
18. energy source
19.water lilies to snails to ducks
20.represedted by a drawing of the lake and its inhabitants
21. food chains with many interconnecting link
22.carnivore populations possess less energy that producer population
23. return matter to the community
24. traps energy from the sun