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- A Food Web om Eage Pythan Wolf Rat Dragonfly Thrush Frog Butterfly Fruit Fly Grasshopper Mangoes Corn A Flowering Plant Lavenders Look at the food web above to answer the following questions. 1. Which organisms are the producers in this food web? 2. Which organism is an example of a primary consumer? 3. Which organism is an example of a tertiary consumer?Which one of the following is not a consumer? omnivore carnivore decomposer herbivoreThe diagram below shows a typical NSW coastal food web. Sea Starfish urchins Algae on rocks Sea birds `Limpets. Crabs Mulberry whelks Periwinkle. Carnivorous fish Phytoplankton (microscopic plants) Zooplankton (microscopic animals Tubé worms Secondary Consumers Tertiary Consumers Рroducers Primary Consumers There has been an increase in the amount of larger sea urchins being removed from the area by people wanting them for food and bait. The smaller ones are harder to remove from the rock crevices where they attach and so they are not collected. (a) Outline the impact on the Mulberry Whelk population if people continue to remove the sea urchins. (b) With reference to the food web, explain how this human-induced selection pressure of collecting only the larger sea urchins could impact upon the biodiversity of this ecosystem over time. (c) Draw one food chain from this food web (d) Name an autotroph Name a herbivore Name a Carnivore Is there and Omnivore
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