MAKE A FOOD WEB: 1. Obtain a Food Web Sheet from the given biome. 2. Cut-out each organism and create a food web with the organisms present in your ecosystem. Make sure to draw arrows to show the movement of energy. 3. Label each organism as a producer, herbivore, omnivore, carnivore, or decomposer. Grass Bean Plant Hawk Fox Grassland Food Web Dragonfly Rabbit Trout Bacteria 00000 Frog Snake Human Deer

MAKE A FOOD WEB: 1. Obtain a Food Web Sheet from the given biome. 2. Cut-out each organism and create a food web with the organisms present in your ecosystem. Make sure to draw arrows to show the movement of energy. 3. Label each organism as a producer, herbivore, omnivore, carnivore, or decomposer. Grass Bean Plant Hawk Fox Grassland Food Web Dragonfly Rabbit Trout Bacteria 00000 Frog Snake Human Deer

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter54: Ecosystems And Global Change

Section: Chapter Questions

Problem 9TYK: The amount of energy available at the highest trophic level in an ecosystem is determined by: a....

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The amount of energy available at the highest trophic level in an ecosystem is determined by: a. only the gross primary productivity of the ecosystem. b. only the net primary productivity of the ecosystem. c. the gross primary productivity and the standing crop biomass. d. the net primary productivity and the ecological efficiencies of herbivores. e. the net primary productivity and the ecological efficiencies at all lower trophic levels.
Organisms at the first trophic level ________. a. capture energy from a nonliving source b. are eaten by organisms at lower trophic levels c. are shown at the top of an energy pyramid d. are consumers
Explain the effects on the ecosystem if Wood rat were removed. Provide both positive (if any) and negative impacts on the ecosystem. Be sure and include as many of the following terms in your writing as possible: autotroph, heterotroph, producer, primary consumer, secondary consumer, tertiary consumer, carnivore, omnivore, herbivore, energy, population, increase, and decrease.
Which of the following represents a grazing food chain?a. leaves → detritus feeders → deer → owlsb. birds → mice → snakesc. nuts → leaf-eating insects → chipmunks → hawksd. leaves → leaf-eating insects → mice → snakes
Submit your project researching an ecosystem you would find in your state. You may submit a poster, presentation, link to your created website, or other document. Be sure to include the following: • Describe at least ten biotic factors found in the ecosystem and at least ten abiotic factors. • Give at least two examples of food chains that could be found in the ecosystem.
Tumucumaque National Park ecosystem Organism adaptations1 slide on a primary producer1 slide on a consumer
EcosystemA hasprimary production of 1000 g C /m2/yr and ecological efficiency of 10%. Ecosystem B has primary production of 300 g C /m2/yr and an ecological efficiency of 25%. a.Which ecosystem will have more production at thesecondary consumer (carnivore) trophic level? b.Which ecosystem is more likely to support an endothermic primary consumer (herbivore)? c.If atrophic level requires at least 1 gC/m2/yr in order to exist, how many trophic levels can each of these ecosystems support?d.Given your answer to part c, which do you thinkhas a larger impact on the energy available at upper trophic levels: primary productivity or efficiency of energy movement across trophic levels?
Food Web Color Code… Producer (Green) ____________________ Primary Consumer ( Yellow) _____________ __________________________________ Secondary Consumer (Blue) _____________ __________________________________ Tertiary Consumer (Red) _______________ Decomposer (Orange) _________________ __________________________________ Describe the movement of energy through the web___________________________ Type Eats … Examples Herbivore Carnivore Omnivore Food Web is a bunch of overlapping _________ ________. The primary source of all energy comes from the ______. What would happen if an organism became extinct? _____________________________________________
The loss of an apex consumer would impact which trophic level of a food web? a. primary producers b. primary consumers c. secondary consumers d. all of the above
A group of researchers are assessing energy availability in a terrestrial ecosystem. The image shows the food web for this ecosystem. They set up three plots and assess the biomass of producers, primary consumers, and secondary consumers. Rabbits and grasshoppers feed on ground cover plants that grow on the forest floor. Plot 1 is composed of mature hardwood trees, and only 25% of the sunlight reaches the shrubs and grasses compared to plots 2 and 3, which have fewer trees and allow more sunlight to reach the forest floor. Based on the food web shown here, which of the following best describes how the reduction in sunlight to the forest floor would impact the number of primary consumers (squirrel, grasshopper, rabbit, and deer) in plot 1 compared to the other plots? A - Plot 1 will show an increase in deer only because they feed on trees. B - Plot 1 will show a decrease in squirrels and rabbits, while deer and grasshoppers will increase. C - Plot 1 will show a decrease in rabbits and…
In the Chesapeake Bay estuary, the blue crab is an omnivore that eats eelgrass and other primary producers as well as clams. It is also a cannibal. In turn, the crabs are eaten by humans and by the endangered Kemp's Ridley sea turtle. 1) Based on the above information, describe the food web that includes the blue crab. Identify the trophic levels and the organisms that occupy each. Some organisms may occupy more than one trophic level. 2) Assuming that top-down control occurs in this system, describe what would happen to the abundance of eelgrass if humans stopped eating blue crab.
1) list the inputs for a named commercial food production system (for example a corn field in indiana) 2) list the outputs for the same commercial food production system, 3) list the inputs for subsistence farming in a rural area of equador 4) list the outputs for the same subsistence farming in a rural area of equador 5) which method is more sustainable?