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mizzou Bio1500 tests questions and accurate answers latest update
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mizzou Bio1500 tests questions and accurateanswers latest update
The atmosphere currently contains about 20% oxygen (O2). Where did this oxygen come
from? - ANSWER It was released into the atmosphere by photosynthetic organisms
The screenshot below is from your on-line lecture. The blue and orange balls represent
molecules diffusing through a solution. In the next instant in time, which direction is the
molecule indicated by the arrow most likely to move? (If you cannot see the image, look
at the image labelled 'molecules' in the pdf of test images.) - ANSWER all directions are
equally likely
Which of the following statements concerning larval dragonflies is CORRECT? -
ANSWER Dragonfly larvae generally take several years in the water before turning into
terrestrial (=landbased) adults.
Which of the following is a valid conclusion based on the video you watched called 'If
time were the distance from LA to NY? - ANSWER The first three-quarters of the history
of life contains relatively few evolutionary transitions. Most of the important events in
the history of life have occurred relatively recently.
By using the evidence available, it's true to say that life on Earth took 4.6 billion years to
evolve to the level it is today, while this period of the Carboniferous started 360 million
years ago. - ANSWER 3.5 billion 360 million
Consider the formula below that you learned in the context of diffusion. Which of the
following is a valid conclusion from the formula? If you cannot see the image look at the
image called 'formula' in the pdf of test images. - ANSWER Small increases in the
distance result in large increases in the time for diffusion to take place.
Suppose you have earned an 80% average for lab this semester. You have unexcused
absences for many Discussions, though, giving you a Discussion average of 50%. What
, is your combined 'Lab and Discussion' score for the course? - ANSWER 40%
Suppose you add a drop of lime flavoring to a glass of water. After some time passes,
you drink the water and find that the taste has spread throughout your glass, rather than
remaining in the location where you placed it. Why? - ANSWER because the flavor
molecules are in constant random motion and some of them will happen to migrate into
every part of the glass
Employers rate teamwork skills as the most important quality in a new employee, and
discipline knowledge as the least important of these qualities. - ANSWER teamwork
skills, knowledge of the discipline
The dragonflies that existed during the Carboniferous were unusual because of: -
ANSWER they were much larger than the modern dragonfly
How do gasses such as O2 and CO2 move between the the insect trachea and the body
cells of the insect? - ANSWER by simple diffusion
You are a hog farmer and you want to know which of four commercially available hog
diets maximizes the growth rate of hogs. You obtain 200 hogs and raise 50 on each diet.
When the hogs are six months old, you weigh them and calculate the average weight of
the hogs in each group. Which of the following types of graph would you use to display
data? - ANSWER Bar Graph
Why do cells carry out photosynthesis? - ANSWER to manufacture carbohydrates
Which of the following is a postulate of natural selection? - ANSWER Some individuals
have a greater chance of surviving and reproducing than others does.
What is meant by the statement 'ADP cycles to ATP and back again'? - ANSWER A
phosphate is added to an ADP molecule and then it is removed.
The Channel Islands, off the southern California coastline, are home to one of the
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