A plant was exposed to a light source that only faced one side of the plant. The shaded side of the plant stem and the light facing side of the stem were measured for growth at 15 minutes intervals.
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- Owners and managers of plant nurseries have to plan lighting schedules for a long-day plant that will flower in February. What lighting periods will be most effective? What color of light should be chosen?The class conducted an outdoor experiment with spinach. In the following image spinach was used to collect the gas. Which process is being performed by the plant and which type of gas is being captured?Jenny wanted to plant sunflowers, but wasn't sure of the best place to plant them on her property - so she decided to investigate! Jenny planted 6 sunflowers where they would get sun all day, 6 where they would get some sun and some shade, and 6 where they would be in total shade all day. Jenny watered all of the sunflowers at the same time of day with the same amount of water. After 3 months Jenny measured how tall the sunflowers in each location were. What is the hypothesis that Jenny was testing? Choose all that apply. Question options: A Amount of water affects plant growth B Plant growth is affected by light exposure C Plant growth is affected by the time of day of watering D Amount of light affects plant growth because light is required for photosynthesis
- pedirá que complete otra colección de escritura. Writing Prompt / Indicación de Escritura: A group of students wanted to test how the amount of water a plant receives affects its growth. To test this, students placed three identical plants in identical pots using the same soil. Each plant received a different amount of water each day, and plant growth was measured at the end of each week. Write a PROCEDURE the students can follow to conduct this experiment. * Your answer Submit Never submit passwords through Google Forms.two leaves A and B, each having the petiole in a closed test tube full of water. Each is hung on a spring balance. Leaf A has a waxy cuticle on the upper epidermis and stomata on the lower epidermis. Leaf B a waxy cuticle on the upper epidermis and a lower epidermis covered with petroleum jelly. Both leaves were cut from the same plant. i)Explain why it is important for the leaves to be cut from the same plant. (ii) List TWO variabes that must be kept constant in this investigation. iii) Table 6 shows the results obtained in the experiment: leaf and test tube weight final weight change in weight A 40.7 39.9 0.8 B 38.7 38.7 0.0 Explain why the weight of set up A, decreased. iv) Using your biological knowledge, indicate how results will change, if a fan is switched on near the experimental set up. Explain your answer.Students filled three identical flasks with water and placed elodea, a type of aquatic plant, in each flask. The students adjusted the light intensity that each plant received by wrapping some of the flasks in either screen mesh or foil. The screen mesh allowed only some light to pass through, and the foil allowed no light to pass through. The students recorded the amount of dissolved oxygen, in milligrams per liter, in each flask at the start of the experiment and after twelve hours of light exposure. The data are shown in the table. Drag a label corresponding to a treatment to the correct column header in the table to indicate the beaker from which each piece of data was most likely collected. Light Source Oxygen Sensor Screen Mesh No Covering Screen Foil
- Wild type, rapid-cycling accessions of Arabidopsis, such as the Columbia (COL) lab line will flower 32 days after germination under long day conditions (with a critical photoperiod of 15 hours). What is the predicted flowering-time response (EARLY, LATE, SAME) of each experimental plant's genotype (Listed below) relative to the wild-type, rapid-cycling COL line - when both are grown from seed under the following environmental conditions. The possible flowering time responses are: EARLY, LATE, SAME., relative to the wild-type COL line grown in the conditions listed below.The use of green light promotes plant growth most efficiently. True FalseGive two examples of 'compatible solutes' produced by plants and explain how they can be used by plants to increase salt tolerance. Then explain how they can also be important for permitting dormancy in seeds. Edit View Insert Format Tools Table Paragraph BIUA e T? v To 12pt v
- Jenny wanted to know whether the type of fertilizer she used affected how well her tomato plants grew. She wanted to test 3 fertilizers: Fertilizer A, B, and C. Jenny split up her garden into 3 sections and planted the same number of tomato plants in each section. When planted, all of the plants were the same height and all sections of the garden received the same amount of sunlight each day. Jenny used Fertilizer A in section 1 of the garden, Fertilizer B in section 2, and Fertilizer C in section 3 of the garden, ensuring that she used the same amount of fertilizer on each plant in each section of her garden. She watered the plants at the same time of day with the same amount of water for 3 months and then she measured how tall each of the plants in each section were. Which of the following is a confounding variable that could affect the results of the experiment if it is not controlled? Choose all that apply. Type of fertilizer |Amount of sun exposure Amount of fertilizer WateringRemaining Time: 24 minutes, 34 seconds. * Question Completion Status: Question 22 tab A Moving to another question will save this response. shift 3 points Save Answer A plant has the following characteristics: a taproot system, several growth rings evident in a cross section of the stem, and a layer of bark around the outside. Which of the following best describes the plant? O herbaceous dicot O woody dicot woody monocot O herbaceous monocot caps lock A Moving to another question will save this response. Botany Final Co....docx esc 1 Q A 2 N I control option summer botany....docx W S #3 X H command с E D ^ $ 4 C ANGIOSPERMS....docx R F 5 Search or type URL % 5 V T MacBook Pro G ヘ6 Y B & 7 H U N * 00 8 J 1 M 9 K >> { 73 <Jenny wanted to know whether the type of fertilizer she used affected how well her tomato plants grew. She wanted to test 3 fertilizers: Fertilizer A, B, and C. Jenny split up her garden into 3 sections and planted the same number of tomato plants in each section. When planted, all of the plants were the same height and all sections of the garden received the same amount of sunlight each day. Jenny used Fertilizer A in section 1 of the garden, Fertilizer B in section 2, and Fertilizer C in section 3 of the garden, ensuring that she used the same amount of fertilizer on each plant in each section of her garden. She watered the plants at the same time of day with the same amount of water for 3 months and then she measured how tall each of the plants in each section were. There were no results presented in this simple experiment that Jenny conducted. But, which of the following are logical data or results that Jenny could have collected from the experiment? Choose all that apply.…SEE MORE QUESTIONS