Use the igure below, which shows the food web of an aquatic ecosystem, to answer the following questions:Killer whaleElephant sealCrabeater sealAdeliepenguinSquidLeopard sealCodSmall animalsand protistsAlgaeKrill 3-lf the cod is removed from this food web , which organism will be most affected and how?answer4-How many producers are in the food web? Name them. _What is the role of producers in the food web?answer5-What type of consumer is the squid? On which trophic level is it found? Defend your answer.answer6- If algae was removed from this ecosystem as a result of human activities, which organism(s) willbe most affected and how?answer

Since there are multiple questions in this particular question, I'll answer the first three subparts…

Answered: Killer whale Crabeater seal Elephant…

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter46: Ecosystems

Section: Chapter Questions

Problem 11RQ: A food chain would be a better resource than a food web to answer which question? How does energy...

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Choose the best answer. 1. The loss of energy at each trophic level is caused by the following EXCEPT: a. Food passing through animals are partially digested b. Energy is transformed from mechanical energy or other forms c. Energy is lost during anabolic processes 2. It is referred to as the physical and biotic habitat which surrounds us, that which we can see, touch, and smell. a. System b. Community c. Environment d. Ecology 3. A group of plant and animal population living in the same environment a. ecosystem b. species c. community d. population 4. The variation in environmental conditions that is beyond the range of tolerance may result in a. None of these b. Deterioration of ecosystem c. Both b and d d. Loss of species that are vital links in food webs 5. Transpiration is a process involved in a. carbon dioxide b. phosphorus c. nitrogen d.…
What biotic and abiotic factors will affect the aquatic plants in the lake? 2. What biotic and abiotic factors will affect the bluegill in the lake? 3. Looking at the organisms associated with the lake, organize them into three trophic groups: producers, consumers, and decomposers. 4. Separate the consumers into three subcategories: herbivores, carnivores, and omnivores. 5. Create 3 different food chains found within the lake. Food chain #1 should contain 3 organisms, food chain #2 should contain 4 organisms, and food chain # 3 should contain 5 organisms. The arrows should point in the direction the energy is flowing through the food chain. You can either use the “>” as your arrow or the Insert Symbol function to insert an arrow into your food chains. 6. As the energy flows through each trophic level, how much energy is lost from the food chain as heat? 7. What happens to the number of organisms as they go up through the trophic levels? Explain why this…
6. Mant top level consumers are large carnivores. Explain how their size affects or is affected by the dynamics of energy, biomass and/or numbers pyramids. 7. What other factors in an ecosystem may affect pyramid shapes for that ecosystem? 8. What level of an ecological pyramid would contain humans? Please explain your choice. 9. Many farmers use pesticides on their fields to keep pests from eating their crops. These pesticides, however, can have serious, negative effects on other organisms thaat interact with the ecosystem. For that reason, some people have suggested that bringing in predators to eat the pests would be a better soulution than pesticides. a. Explain what affeccts bringing predators in could have on the ecosystem. b. Which level of organisms is most susceptible to extinction. Please support your answer.
1. Why is that there are no more than 5 or 6 trophic levels in a community? 2. Why do we need to conserve or protect threatened or endangered species, and how does the loss of species affect communities? 3. Why are population sizes not constant?
Choose the best answer from the choices. 1. The length of the food chain is limited because a. The amount of biomass at the top is not sufficient to support another level b. The number of organisms in each level is few c. The type of organism in each level is few d. The number of organisms in each level is not changing
The loss of an apex consumer would impact which trophic level of a food web? primary producers primary consumers secondary consumers all of the above
Which of the following statements is supported by the results of studies at the Hubbard Brook Experimental Forest? a. Most of the energy captured by primary producers is lostbefore it reaches the highest trophic level in an ecosystem. b. Deforested watersheds experience significantly less runoffthan undisturbed watersheds. c. Deforested watersheds lose more calcium and nitrogen inrunoff than undisturbed watersheds. d. Nutrients generally move through biogeochemical cycles veryquickly. e. Deforested watersheds generally receive more rainfall thanundisturbed watersheds.
Which term describes the process whereby toxic substances increase along trophic levels of an ecosystem? biomassification biomagnification bioentropy heterotrophy
Decomposers are associated with which class of food web? grazing detrital inverted aquatic
A food chain would be a better resource than a food web to answer which question? How does energy move from an organism in one trophic level to an organism on the next trophic level? How does energy move within a trophic level? What preys on grasses? How is organic matter recycled in a forest?
The mussels that live at the NW Eifuku volcano are examples of.__________ chemoautotrophs photoautotrophs apex predators primary consumers
27. The term defined as the amount of glucose that is available as new biomass to the next trophic level is: secondary productivity. gross primary productivity. decomposer productivity. net primary productivity.

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Killer whale Crabeater seal Elephant seal Adelie penguin/ Squid Leopard seal 1 Cod /Small animals and protists Algae