Homework Answers
Question 30: The correct answer is b. xylem.
Explanation: In vascular plants, there are two types of transport tissue and these are Xylem and Phloem. The function of xylem is to transport water from the roots toward the stems and leaves.
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Save Answer Question 30 1 points Plants are divided into non-vascular...
QUESTION 8 5 points Save Answer 1. endosymbiosis A. a branch point from which more than...
QUESTION 8 5 points Save Answer 1. endosymbiosis A. a branch point from which more than two descendant taxa emerged 2. family B. a group of genera sharing the most recent ancestor 3. gametophyte C. a small cell being taken into and living inside another cell 4. polytomy D. dominant generation of non-vascular plants 5. sporophyte E. dominant generation of vascular plants In your answer, match the numbers with letters.
choose the right answer please Question Completion Status: Questions of 10 1 points Save Answer Moving...
choose the right answer please
Question Completion Status: Questions of 10 1 points Save Answer Moving to the next question prevents changes to this answer Questions Compared to spores, what advantage does a seed have? O a protection from drying out Ob using wind as a dispersal agent containing a nutrient store for a developing sporophyte Od providing nutrition for animals Moving to the next question prevents changes to this answer Question 5 of 10
please choose the right answer Question 21 What do both gymnosperms and angiosperms have in common...
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Question 21 What do both gymnosperms and angiosperms have in common that is not true about other plant groups? a. they have only xylem and no phloem. b. they have a gametophyte generation. c. their gametes do not require water for fertilization to occur. d. they have true roots. e. they have ovules that are not enclosed.
Question 2 30 points Save Answer In a high school orchestra there are 3 training groups:...
Question 2 30 points Save Answer In a high school orchestra there are 3 training groups: one is Violin, one in Flute, and one in Cello. These sections are open to any of the 100 students in the school. There are 36 students in the Violin group, 30 in the Flute group, and 27 in the Cello group. There are 9 students that are in both Violin and Flute, 18 that are in both Violin and Cello, and 6 are...
choose the correct answer please Question 25 1 points The ancestor of land plants is thought...
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Question 25 1 points The ancestor of land plants is thought to be related to charophytes, a type of green algae. Why might it be advantageous for charophytes to undergo sexual reproduction? a. Charophytes, like land plants, have plasmodesmata, which need to be generated by sexual reproduction b. Sexual reproduction produces larger numbers of offspring in less time. c. They are multicellular when conditions are unfavorable, which favors sexual reproduction d. Sexual reproduction produces multicellular...
all of them please QUESTION 1 1 points Save Answer Which of the following can have...
all of them please
QUESTION 1 1 points Save Answer Which of the following can have cis/trans isomers? Draw their isomers. CH3CH2CH=CH2 (CH3CH2)2CCHCH3 CH3CH2CH=CHCH3 CH2=CH2 QUESTION 2 1 points Save Answer Name the following compounds, with cis/trans nomenclature. trans-4-methyl-2-hexene trans-4-thyl-2-pentane O cis-4-thyl-2-pentane O cis-4-methyl-2-hexene QUESTION 3 1 points Save Answer Name the following compounds, with cis/trans nomenclature Br Br Otrsans-2,5-dibromo-3-hexene trans-1,4-dibromo-2-butane O cis-1,4-dibromo-2-butane cis 2,5-dibromo-3-hexene Click Save and Submit to see and submit Click Save All Answers to save all...
please chose the right answer Question 25 1 points The ancestor of land plants is thought...
please chose the right answer
Question 25 1 points The ancestor of land plants is thought to be related to charophytes, a type of green algae. Why might it be advantageous for charophytes to undergo sexual reproduction? a. Charophytes, like land plants, have plasmodesmata, which need to be generated by sexual reproduction, b. Sexual reproduction produces larger numbers of offspring in less time. c. They are multicellular when conditions are unfavorable, which favors sexual reproduction d. Sexual reproduction produces multicellular...
Save Answer Question 1 50 points 1. A researcher wants to evaluate the learning ability of...
Save Answer Question 1 50 points 1. A researcher wants to evaluate the learning ability of college students with various background sounds during learning. She randomly divides 21 participants into three groups of 7. All students study a passage of text for 30 minutes. Those in group 1 study with background sound at a constant volume in the background. Those in group 2 study with noise that changes volume randomly. Those in group 3 study with no sound at all....
please choose the correct answer Question 27 1 points Saving Which statement is true? a. Both...
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Question 27 1 points Saving Which statement is true? a. Both gymnosperms and angiosperms produce seeds on the scales of cones, but angiosperms have flowers. b. Gymnosperms rely on animals to carry pollen from the female gametophyte to the male gametophyte, while angiosperms rely on wind. in gymnosperms, male gametophytes and female gametophytes are produced in different structures, while in angiosperms they are usually produced in the same structure. d. Gymnosperms require water for sperm...
Question 30 6 points Save Answer (LO4) A wind turbine with a 40-m-diameter rotor is rotating...
Question 30 6 points Save Answer (LO4) A wind turbine with a 40-m-diameter rotor is rotating at 21 rpm under steady winds at an average velocity of 14.7 m/s. The electrical power output from the generator is 350 kW. The efficiency of the gearbox is 93% and generator efficiency is 86%. Take the density of air to be 1.013 kg/m. Answer the following questions; use the white paper to work-out your calculations and then choose the correct answer from the...
QUESTION 8 5 points Save Answer 1. endosymbiosis A. a branch point from which more than two descendant taxa emerged 2. family B. a group of genera sharing the most recent ancestor 3. gametophyte C. a small cell being taken into and living inside another cell 4. polytomy D. dominant generation of non-vascular plants 5. sporophyte E. dominant generation of vascular plants In your answer, match the numbers with letters.
choose the right answer please
Question Completion Status: Questions of 10 1 points Save Answer Moving to the next question prevents changes to this answer Questions Compared to spores, what advantage does a seed have? O a protection from drying out Ob using wind as a dispersal agent containing a nutrient store for a developing sporophyte Od providing nutrition for animals Moving to the next question prevents changes to this answer Question 5 of 10
please choose the right answer
Question 21 What do both gymnosperms and angiosperms have in common that is not true about other plant groups? a. they have only xylem and no phloem. b. they have a gametophyte generation. c. their gametes do not require water for fertilization to occur. d. they have true roots. e. they have ovules that are not enclosed.
Question 2 30 points Save Answer In a high school orchestra there are 3 training groups: one is Violin, one in Flute, and one in Cello. These sections are open to any of the 100 students in the school. There are 36 students in the Violin group, 30 in the Flute group, and 27 in the Cello group. There are 9 students that are in both Violin and Flute, 18 that are in both Violin and Cello, and 6 are...
choose the correct answer please
Question 25 1 points The ancestor of land plants is thought to be related to charophytes, a type of green algae. Why might it be advantageous for charophytes to undergo sexual reproduction? a. Charophytes, like land plants, have plasmodesmata, which need to be generated by sexual reproduction b. Sexual reproduction produces larger numbers of offspring in less time. c. They are multicellular when conditions are unfavorable, which favors sexual reproduction d. Sexual reproduction produces multicellular...
all of them please
QUESTION 1 1 points Save Answer Which of the following can have cis/trans isomers? Draw their isomers. CH3CH2CH=CH2 (CH3CH2)2CCHCH3 CH3CH2CH=CHCH3 CH2=CH2 QUESTION 2 1 points Save Answer Name the following compounds, with cis/trans nomenclature. trans-4-methyl-2-hexene trans-4-thyl-2-pentane O cis-4-thyl-2-pentane O cis-4-methyl-2-hexene QUESTION 3 1 points Save Answer Name the following compounds, with cis/trans nomenclature Br Br Otrsans-2,5-dibromo-3-hexene trans-1,4-dibromo-2-butane O cis-1,4-dibromo-2-butane cis 2,5-dibromo-3-hexene Click Save and Submit to see and submit Click Save All Answers to save all...
please chose the right answer
Question 25 1 points The ancestor of land plants is thought to be related to charophytes, a type of green algae. Why might it be advantageous for charophytes to undergo sexual reproduction? a. Charophytes, like land plants, have plasmodesmata, which need to be generated by sexual reproduction, b. Sexual reproduction produces larger numbers of offspring in less time. c. They are multicellular when conditions are unfavorable, which favors sexual reproduction d. Sexual reproduction produces multicellular...
Save Answer Question 1 50 points 1. A researcher wants to evaluate the learning ability of college students with various background sounds during learning. She randomly divides 21 participants into three groups of 7. All students study a passage of text for 30 minutes. Those in group 1 study with background sound at a constant volume in the background. Those in group 2 study with noise that changes volume randomly. Those in group 3 study with no sound at all....
please choose the correct answer
Question 27 1 points Saving Which statement is true? a. Both gymnosperms and angiosperms produce seeds on the scales of cones, but angiosperms have flowers. b. Gymnosperms rely on animals to carry pollen from the female gametophyte to the male gametophyte, while angiosperms rely on wind. in gymnosperms, male gametophytes and female gametophytes are produced in different structures, while in angiosperms they are usually produced in the same structure. d. Gymnosperms require water for sperm...
Question 30 6 points Save Answer (LO4) A wind turbine with a 40-m-diameter rotor is rotating at 21 rpm under steady winds at an average velocity of 14.7 m/s. The electrical power output from the generator is 350 kW. The efficiency of the gearbox is 93% and generator efficiency is 86%. Take the density of air to be 1.013 kg/m. Answer the following questions; use the white paper to work-out your calculations and then choose the correct answer from the...
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