Look at the formula below, which was in your lecture on diffusion. What important point is illustrated by
this formula?
t=x^2/2D - Correct Answers Small increases in the distance over which particles travel by diffusion
require large increases in the time for that diffusion to take place.
A drop of dye has been deposited at one end of a tank of water. If you leave the tank of water alone for
a long period of time (several days) and return to it later, which statement best describes the behavior
of the dye molecules at the time you return? - Correct Answers They're still moving in the same manner
as when they were dropped into the tank.
According to scientific evidence, approximately when did Life first appear on Earth? [ Select ] ["3.7
million years ago", "64 million years ago", "3.8 billion years ago", "2.1 billion years ago", "4.6 billion
years ago"] - Correct Answers 3.8 billion years ago
2.5 billion years ago
Which of the following statements best describes the distribution of major events in the history of life
on Earth? - Correct Answers Major evolutionary milestones tend to be more highly concentrated at the
recent end of the timeline that extends from the origin of life until today.
The atmosphere of the early Earth did not contain O2. Where did the O2 eventually come from? -
Correct Answers Photosynthetic organisms released the O2.
What is the logic behind Drs. Bush and Schul's system for assigning the teams? - Correct Answers
Maximize diversity of experience, background, majors, etc., because this increases the likelihood of the
group members to be successful
In the figure below from your video on diffusion, a red arrow points to an orange particle. In the next
instant of time, which direction is the orange particle most likely to move? - Correct Answers All the
directions are equally likely.
, The atmosphere of the early earth lacked molecular oxygen. If O2 had never been added to the
atmosphere, what geological phenomenon would not have occurred? - Correct Answers Most minerals
wouldn't exist
You are standing in line for lunch in the Student center. You try to explain to one of your classmates how
much distance they should leave between you using what you learned about the size of Meganeura (the
giant dragonflies). How many Meganeuras should be able to fly side by side between two people in line
to maintain sufficient social distancing during the Covid-19 pandemic? - Correct Answers 2 meganeuras
Danielle, a student in Bio1500, worked very hard on the lab and has a Lab average of 100%. Because she
skipped several discussions without excuses, her average in the discussion is 75%. What is the combined
Lab*Discussion score which counts for 25% of the total Bio1500 grade? - Correct Answers 75%, because
the two grades are multiplied with each other
Which of the following statements about dragonflies is false? - Correct Answers Dragonflies feed on
nectar and pollen and are important plant pollinators
When do mutations occur? - Correct Answers at random times
In the fall, maple leaves turn bright red because they use pigments called carotenoids instead of
chlorophyll for photosynthesis at this time of year. Given this information, which of the following
statements is most likely true of maple leaves in the fall? - Correct Answers They absorb blue and green
light energy.
Of the following questions about Covid-19, [ Select ] would be categorized at Bloom's level evaluate, and
[ Select ] would be at Bloom's level analyze. - Correct Answers Who should be given higher priority to
receive the vaccine: people most at risk of serious illness, or people most likely to spread the virus to
others?
How do the 27 different proteins encoded by the viral genome interact to facilitate the virus'
reproduction?
Which of the following would be an example of the First Law of Thermodynamics? - Correct Answers A
dark-colored driveway becomes too hot to touch when exposed to strong sunlight in the summer.
this formula?
t=x^2/2D - Correct Answers Small increases in the distance over which particles travel by diffusion
require large increases in the time for that diffusion to take place.
A drop of dye has been deposited at one end of a tank of water. If you leave the tank of water alone for
a long period of time (several days) and return to it later, which statement best describes the behavior
of the dye molecules at the time you return? - Correct Answers They're still moving in the same manner
as when they were dropped into the tank.
According to scientific evidence, approximately when did Life first appear on Earth? [ Select ] ["3.7
million years ago", "64 million years ago", "3.8 billion years ago", "2.1 billion years ago", "4.6 billion
years ago"] - Correct Answers 3.8 billion years ago
2.5 billion years ago
Which of the following statements best describes the distribution of major events in the history of life
on Earth? - Correct Answers Major evolutionary milestones tend to be more highly concentrated at the
recent end of the timeline that extends from the origin of life until today.
The atmosphere of the early Earth did not contain O2. Where did the O2 eventually come from? -
Correct Answers Photosynthetic organisms released the O2.
What is the logic behind Drs. Bush and Schul's system for assigning the teams? - Correct Answers
Maximize diversity of experience, background, majors, etc., because this increases the likelihood of the
group members to be successful
In the figure below from your video on diffusion, a red arrow points to an orange particle. In the next
instant of time, which direction is the orange particle most likely to move? - Correct Answers All the
directions are equally likely.
, The atmosphere of the early earth lacked molecular oxygen. If O2 had never been added to the
atmosphere, what geological phenomenon would not have occurred? - Correct Answers Most minerals
wouldn't exist
You are standing in line for lunch in the Student center. You try to explain to one of your classmates how
much distance they should leave between you using what you learned about the size of Meganeura (the
giant dragonflies). How many Meganeuras should be able to fly side by side between two people in line
to maintain sufficient social distancing during the Covid-19 pandemic? - Correct Answers 2 meganeuras
Danielle, a student in Bio1500, worked very hard on the lab and has a Lab average of 100%. Because she
skipped several discussions without excuses, her average in the discussion is 75%. What is the combined
Lab*Discussion score which counts for 25% of the total Bio1500 grade? - Correct Answers 75%, because
the two grades are multiplied with each other
Which of the following statements about dragonflies is false? - Correct Answers Dragonflies feed on
nectar and pollen and are important plant pollinators
When do mutations occur? - Correct Answers at random times
In the fall, maple leaves turn bright red because they use pigments called carotenoids instead of
chlorophyll for photosynthesis at this time of year. Given this information, which of the following
statements is most likely true of maple leaves in the fall? - Correct Answers They absorb blue and green
light energy.
Of the following questions about Covid-19, [ Select ] would be categorized at Bloom's level evaluate, and
[ Select ] would be at Bloom's level analyze. - Correct Answers Who should be given higher priority to
receive the vaccine: people most at risk of serious illness, or people most likely to spread the virus to
others?
How do the 27 different proteins encoded by the viral genome interact to facilitate the virus'
reproduction?
Which of the following would be an example of the First Law of Thermodynamics? - Correct Answers A
dark-colored driveway becomes too hot to touch when exposed to strong sunlight in the summer.
