“If any one be too lazy to keep his dam in proper condition, and does not so keep it; if then the dam break and all the fields be flooded, then shall he in whose dam the break occurred be sold for money, and the money shall replace the corn which he has caused to be ruined.” —Code of Hammurabi,Article 53 What condition does this law cover?

People who and write and study about the human past are called

Which abbreviation represents the same years on a timeline as B.C.?

Use the pull-down menus to insert the best terms into the blanks that make these sentences true: We use the term [blank1] to describe a characteristic of an organism that can be observed and measured.  By contrast, we use the term [blank2] to describe the set of alleles that an organism inherits from its parents.

Use the pull-down menus to insert the best terms into the blanks that make these sentences true: In the Natural Selection virtual lab simulation on Connect, you used a long, thin dropper with a bulb on one end, also known as a [blank1], to place small amounts of [blank2] into a dish.  Since this bacteria is dangerous and infectious to humans, you always needed to dispose of those pipettes in the [blank3] before moving on to the next step.

Think back on the experiments you did in Lab 2 regarding bacteria and antibiotic resistance to demonstrate natural selection.  Imagine that you are doing a real experiment where you place one drop of bacteria into a circular dish containing only growth medium.  You label this dish “Streptomycin Neg. -“.   You then create a second experimental condition by placing one drop of that same bacteria into a circular dish containing growth medium  and an antibiotic called streptomysin. You label this dish “Streptomysin Pos. +”.  You then allow those two groups of bacteria to grow under ideal conditions for 24 hours. The next day, you look at your two dishes and you see the following results: Did the antibiotic work?  In other words, is this antibiotic useful at killing these particular bacteria?  

Connect Virtual Labs only use a mouse to engage with the virtual lab environment; there are no keyboard shortcuts for any actions in the virtual laboratory.

What determines the “fitness” of a species, in the biological sense?

The on deck batter …

This last question is a follow-up on the previous question.  Look above at the results you gathered again.  Is there any evidence of antibiotic-resistant bacteria in this experiment? If so, in which dish?