What is the key concept for this section? Describethree ways in which scientists study ecosystems.Explain why we need much more basic data aboutthe structure and condition of the world’s ecosystems. Distinguish between the Holocene andAnthropocene eras. List four planetary boundariesthat we have exceeded, according to some scientists.What are this chapter’s three big ideas? How arethe three scientific principles of sustainability showcased in tropical rain forests?

What is the key concept for this section? Describethree ways in which scientists study ecosystems.Explain why we need much more basic data aboutthe structure and condition of the world’s ecosystems. Distinguish between the Holocene andAnthropocene eras. List four planetary boundariesthat we have exceeded, according to some scientists.What are this chapter’s three big ideas? How arethe three scientific principles of sustainability showcased in tropical rain forests?

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter20: Ecosystems And The Biosphere

Section: Chapter Questions

Problem 11RQ: Where would you expect to find the most photosynthesis in an ocean biome? a. aphotic zone b. abyssal...

See similar textbooks

Similar questions

What is the key concept for this section? Whatis ecological succession? Distinguish betweenprimary ecological succession and secondaryecological succession and give an exampleof each.
Where would you expect to find the most photosynthesis in an ocean biome? a. aphotic zone b. abyssal zone c. benthic realm d. intertidal zone
Explain how the three major types of deserts differin their climate and vegetation. Why are desert ecosystems vulnerable to long-term damage? How dodesert plants and animals survive? Explain how thethree major types of grasslands differ in their climateand vegetation. What is a savanna? Explain howsavanna animals survive seasonal variations in rainfall (Core Case Study). Why is the elephant an important component of the African savanna? DescribeTuy Sereivathana’s efforts to prevent elephants frombecoming extinct in Cambodia. Why have manyof the world’s temperate grasslands disappeared?Describe Arctic tundra and define permafrost?Explain how the three major types of forests differin their climate and vegetation. Why is biodiversityso high in tropical rain forests? Why do most soils intropical rain forests hold few plant nutrients. Whydo temperate deciduous forests typically have a thicklayer of decaying litter? What are coastal coniferousor temperate rain forests? How do most species…
What are some important external factors that impact ecosystems? (Think of both local and global influences, both natural and human influences.) andHow could organisms respond to these external influences? not graded
Biologists have observed much more similarity in species composition among boreal forests and among areas of tundra in Eurasia and North American than among areas of tropical rain forests or among Mediterranean woodlands around the globe. Can you offer an explanation of this contrast based on the global distribution of these biomes?
Hundreds of millions of years ago, Earth’s landmasses were joinedinto one supercontinent, Pangaea. If Pangaea had never broken up, doyou think there would be more biodiversity, less biodiversity, or thesame amount of biodiversity as today? Explain your answer.
What is an oxygen minimum zone and why is expansion ofthese zones a problem for marine and global ecology?
Name two examples of man-made ecosystems. Write their salient features which distinguish them from natural ecosystems.
An ecological pyramid is a graphical representation of the relationship betweenthe different living organisms at different trophic levels. Explain the threeecological pyramids in detail. What are the shortcomings of each type’secological pyramids in the study of ecosystem?
Explain why climate is important for determining the distributions of organisms across the planet. Focus your discussion to large scale processes and the distribution of biomes
how does the amazon rainforest biosphere look like?
Literal habitat islands surrounded by water are quite obvious, but how might the theory of island biogeography apply to terrestrial systems? Can you think of examples of land ‘islands’ where this same theory could apply?