Answered: With far less phytoplankton, the water…

With far less phytoplankton, the water got clearer. ______, rooted aquatic plants such as water celery increased by up to 40 percent. In contrast However As a result Similarly

Aquaculture Science

3rd Edition

ISBN:9781133558347

Author:Parker

Publisher:Parker

Chapter2: Aquatic Plants And Animals

Section: Chapter Questions

Problem 1TOF

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Plant sensory system

The plant sensory system is a sophisticated system that responds to environmental stimuli such as light,temperature, gravity, and touch. Research predicts that plant hormones and signaling mechanisms areresponsible for this regulation system in plants.

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With far less phytoplankton, the water got clearer. ______, rooted aquatic plants such as water celery increased by up to 40 percent.

In contrast
However
As a result
Similarly

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Plants are a source of food fuel medicine all of the above
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Energy Efficiency of Biofuel Production Most of the plant material currently used for biofuel production in the United States consists of food cropsmainly corn, soybeans, and sugarcane. In 2006, David Tilman and his colleagues published the results of a 10-year study comparing the net energy output of various biofuels. The researchers grew a mixture of native perennial grasses without irrigation, fertilizer, pesticides, or herbicides, in sandy soil that was so depleted by intensive agriculture that it had been abandoned. They measured the usable energy in biofuels made from the grasses, and also from com and soy, then measured the energy it took to grow and produce biofuel from each kind of crop (FIGURE 6.18). FIGURE 6 .18 Energy inputs and outputs of biofuels made from three different crops. One hectare is about 2 .5 acres. 3. Which of the three crops would require the least amount of land to produce a given amount of biofuel energy?