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Difference between a food chain and a food web

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1. Describe the lifestyles of plankton, nekton, and benthos. For the following marine organisms, determine if they are plankton, nekton, or benthos: (a) shark, (b) octopus, (c) clam, (d) diatom, (e) coral, (f) crab, (g) giant kelp, (h) jelly fish, (i) dolphin

2. What is the difference between a food chain and a food web?

3. What external pressures are currently disrupting reef-building corals? (Describe three.) How are the corals responding to these pressures? Explain what affect, if any, could this have on local marine ecosystems and food chains/webs.

Reference no: EM132511138

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