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- Which components received comparatively less energy in the disturbed food chain?
- What could be the consequences of the above?
- If human beings were the last component in this food chain, what would be the consequences of reduced nutrient supply to plants?
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- 4.2 What happens if there's a natural disturbance (drought) affecting the balance of the food chain so that the Sun +E can supply only 4 energy units per plant? Compute for energy units following the table above and answer the following questions: No. No. units Mean no. individuals No. of units No. units No. units remaining & passed on to next trophic units in each received used/indi used in available per trophic from trophic vidual level Trophic individual in trophic level Levels level above (Resp) level trophic level SUN +E = 4 1) Plants 30 2 2) Grasshopper 3) Frog 19 2 12 2 4) Snake 8 2 5) Owl 4 2Look at the pictures below. One picture showe a rainforost environment, and the other shows a dooort onvironment. Many rainforost plants have large, fat leaves. Many dosert plants have small neodio-iko loavos. What is the best reason for this difforence? (SC.SL.17.1) P O The plants are different ages. O The plants in the desert do not reproduce. O The plants are adapted to the conditions of their environment. O The plants carry out pholosynthesis in different wayshe seedling becomes erect. You record a drop of 0.54 ml in the pipet. Is this an accurate measurement of the volume of water transpired by the plant? Explain your answer Shewen cucerite measurement becuse thir lab har Ccmpare ble eperimant and . Cur empiremental pMond elhing wet in mue strel onol would eguie mere of a Werter updake; this eapleme why pat Kod a 0.54 ml drop wear pluced in a und treatimant are the overale water lou wou 0 - A 1-hectare field contains 2500 bean plants with a total surface area of 557 m2. Ambient temperature is 21°C, winds are calm and humidity is 45%. If each plant is transpiring at the rate you calculated for ambient/normal conditions how many liters of water is lost from the field each hour due to transpiration? Show your calculation below. rate = 014 mi /30 min
- As with plant adaptations againstherbivores, other biological processes can involve multiple levelsof biological organization (Figure 1.3). Discuss examples ofspecialized photosynthetic adaptations involving modificationsat the molecular (Concept 10.4), tissue (Concept 36.4), andorganismal (Concept 36.1) levels.The accompanying photo shows a pipevine swallowtail caterpillarclimbing up a twig. (a) As the caterpillar climbs, itspotential energy is increasing. What source of energy hasbeen used to effect this change in potential energy? (b) If thecaterpillar is the system, can you predict the sign of q as thecaterpillar climbs? (c) Does the caterpillar do work in climbingthe twig? Explain. (d) Does the amount of work done inclimbing a 12-inch section of the twig depend on the speedof the caterpillar’s climb? (e) Does the change in potential energydepend on the caterpillar’s speed of climb? [Section 5.1](25) | Microsoft T: 6X E EverFi Educatic -er| Portal henrico.schoology.com Q2 End of 9 Weeks Test What is one negative aspect of utilizing wind turbines on the peak of mountains? O They can interfere with the migratory routes of birds O The energy produced is a toxic waste that can not be easily destroyed O The cost of maintaining a wind turbine outweighs the energy that will be produced O They pollute the air with atmospheric emissions e Type here to search
- If all other factors aff ecting photosynthetic rates were equal and atmospheric CO2concentrations were themain factor aff ecting photosynthetic rates, how would plant growth in an area that is about 30 degrees C in thedaytime have changed over the course of the past 400,000 years?Which of the following is true about Liebig's Law of the Minimum? * The growth of a plant is affected by one limiting factor at one time. The growth of a plant is affected by multiple limiting factors at one time. The growth of a plant is not affected by multiple limiting factors at one time. The growth of the plant is not affected by one limiting factor at one time. According the Shelford's Law of Tolerance, the organisms wide environmental factor tolerance limit show * narrow distribution with low population size narrow distribution with high population size wide distribution high populations size wide distribution with low population size If you are having a fever, you are in your * zone of optimal tolerance zone of intolerance zone of physiological stress1 | 2021 SCLG8_12 MI;1 x A Did you finish your interim? If no x + 11&exid%3Dnhaassessments 1571155631555&acode%3DC6G7L7 uide Reset Answer Construct an explanation for how the rubber tree plants live and grow. Rubber tree plants use to make The can be then used for energy immediately or stored for growth or later use. forest. ex which also oxygen and sugar (food); carbon dioxide and water; sugar (food) ne trees carbon dioxide and sugar (food); oxygen and water; water C water and carbon dioxide; oxygen and sugar (food); sugar (food) carbon dioxide and oxygen; sugar (food) and water; water Back Next US A 5:2
- . Based on the data in the scatter plot, estimate the percentagechange in dry mass of corn and velvetleaf plants if atmosphericCO2 concentration increased from 390 ppm (current levels)to 800 ppm. (a) What is the estimated dry mass of corn andvelvetleaf plants at 390 ppm? 800 ppm? (b) To calculate thepercentage change in mass for each plant, subtract the massat 390 ppm from the mass at 800 ppm (change in mass), divideby the mass at 390 ppm (initial mass), and multiply by 100. Whatis the estimated percentage change in dry mass for corn? Forvelvetleaf? (c) Do these results support the conclusion fromother experiments that C3 plants grow better than C4 plantsunder increased CO2 concentration? Why or why not?Drought is the main constraint for agriculture sector. What is the major consequence of water insufficiency in plant? *In walking through our well fertilized spinach field you look over at your neighbors spinach held which is not fertilized. Which statements below are likely to be true? a). your plants will have lower chlorophvll concentrations than your neighbors b). vour feld will have more violaxanthins (me per gFW) than your neighbors c). your plants will have greater chlorophyll concentrations than your neighbors plants d. your plants will generally have more unstacked thylakoids