Tree species are chosen for plantations in many areas around the world because they ___________________.
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Tree species are often chosen for plantations to achieve specific goals such as reforestation, timber production, carbon sequestration, or habitat restoration. Show more…
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As climate changes because of global warming, plant species' ranges in the northern hemisphere may move northward. The trees that are most likely to avoid extinction in such an environment are those that _____. a. have seeds that are easily dispersed by wind or animals b. produce well-provisioned seeds c. have seeds that become viable only after a forest fire d. disperse many seeds in close proximity to the parent tree
Shaiju T.
As climate changes because of global warming, plant species' ranges in the northern hemisphere may move northward. The trees that are most likely to avoid extinction in such an environment are those that A. have larger, more contiguous established populations to begin with B. produce well-provisioned seeds C. have seeds that become viable only after a forest fire D. disperse many seeds in close proximity to the parent tree
Deniz E.
Question 1 What makes wine, wine? After considering all of the different types of wines you learned about in your lesson, select the best answer. It must be aged in an oak barrel It is only made from fermented fruits It requires a starch to sugar conversion step It is made from fermented sugars Question 2 Phylloxera is a sap-sucking insect that has crashed the European wine industry at least twice. What are two reasons that American rootstocks are resistant to the pest while European rootstocks are not? Select all that are correct. European grapevines co-evolved with the pest, while American grapevines did not American grapevines emit a sap that deters the pest American grapevines grow a protective layer of plant tissue over any wounds from the pest American grapevines have bast fibers that provide a protective cap around phloem, while European vines do not Question 3 What is true about how rice wine is made? Select the two correct answers below. Starch conversion to sugars and fermentation of sugars happen at the same time. An additional microbe, Aspergillus sp., is added in the rice wine making process. Rice wine makers starts will fermenting sugars from the grain. The sugar fermentation step happens without yeast. Question 4 What makes a wine red versus white? Choose one answer. Fermenting the juice from grapes with their red skins makes red wine White wine comes from white grapes and red wine comes from red grapes Fermenting the juice from grapes with white skins makes white wine Fermenting wine in an oak barrel makes a red wine Question 5 Put the beer brewing steps in order from start to finish: Sterilization ["The Boil"] > Mashing > Fermentation Mashing > Sterilization ["The Boil"] > Fermentation Fermentation > Sterilization ["The Boil"] > Mashing Fermentation > Mashing > Sterilization ["The Boil"] Mashing > Fermentation > Sterilization ["The Boil"] Question 6 Which U.S. president in the 1970s made it so that home brewing became legal after decades of it being illegal due to Prohibition? Gerald Ford RIchard Nixon Jimmy Carter Ronald Reagan Lyndon Johnson Question 7 Where is wine thought to have originated? Georgia (country) Turkey Russia Azerbaijan Question 8 Which Ancient civilization thought wine would be enjoyed in the next life? Assyrians Babylonians Egyptians Jordanites Question 9 For what two reasons below is canola considered a good crop to potentially use as a straight vegetable oil (SVO) fuel for the Northeast relative to other choices like soybean and sunflower SVO? Select the two correct answers below. You can obtain more oil per unit area (ex. acre) from canola than from soybean and sunflower. Canola oil can run at lower temperatures in engines compared to soybean and sunflower. Canola grows well in warmer climates (ex. Southwestern U.S.) Canola oil is more apt to clog engines than either soybean or sunflower oil. Question 10 For what two reasons below is it suggested that biodiesel production would be harder to do for small-scale farmers to do on their own farms relative to a regional plant or factory? Select all that apply. Alot of energy is required for esterification Glycerin, a bi-product, is difficult to dispose of properly It is a viscous, thick liquid that is hard to use in engines without proper modification Biodiesel needs to be blended with gasoline, which is not something farmers have on-hand in large quantities Question 11 Researchers argue that for the foreseeable future plant-based liquid biofuels will be needed for particular applications, while batteries or other forms of sustainable power might be used for others. Where do they think we will we mainly need plant-based liquid biofuels? Select the two applications that are anticipated to need plant-based liquid biofuels? airplanes Mac trucks 2-door hatchback cars motorcycles Question 12 Which plant-based oil did Rudolph Diesel first use in the earliest diesel engines? peanut soybean corn sunflower canola Question 13 When do algae make oil, which we want to exploit for biofuel production? nutrient limited well-watered no predators warm temperatures, but not too hot Question 14 Which biofuel crop requires the least amount of existing cropland to produce enough to meet half of the U.S.'s energy demand? algae canola soybeans switch grass corn Question 15 Which fast-growing woody species are Dr. Tom Richard and colleagues assessing in a large study for its potential as a biofuel? shrub willow shrub oak poplar trees maple trees birch trees Question 16 How are microbes in living machines primarily removing nitrogen from the system and returning it to the atmosphere? binding it in plant tissues denitrification coupling it with phosphorus Question 17 You notice a building on your local university has a green roof. What characteristics would you expect it to have if it were an extensive roof? Select all that apply. Trees are observed on the roof top Maintenance never seems to need to irrigate the roof The green roof appears to be 4 inches or 10 cm thick A small table and chair are on top of the roof for use Question 18 What is the main way that green roofs can help a home or building owner gain back their initial $ investment? reducing amount of stormwater runoff lowering energy footprint extracting pollutants from the atmosphere near the roof attracting birds and other organisms to the roof Question 19 When scientists assessed the ability of corn and tobacco to take up zinc from the environment, they found that different plant parts accumulated differing amounts of zinc. In both cases, which plant part accumulated the most zinc? cobs or pods stem roots seeds leaves Question 20 Why were cottonwood trees a good choice as a phytoremediation plant for cleaning up trichloroethylene (TCE)? Deep roots of poplar trees could access TCE, found deep in aquifer pores Leaf canopy provides shade, cooling the soil to more breakdown of TCE could occur The tree is slow growing so can remain on a polluted site for hundreds of years if need be Cottonwood trees grow on rocky ridge top areas where TCE is mostly found
Sri K.
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