Dr. Zane has been studying monkeys' ability to classify photographs of cats and dogs. After the monkeys became competent at this task, Dr. Zane found that specific frontal lobe neurons fired in response to new catlike or doglike images. This suggests that the monkeys:

How can you keep track of variables in a science experiment?

Listed in the item bank are some key terms and expressions associated with the categories seen in the venn diagram. to find out more information about items, some have more details available when you click on them. drag and drop each item onto the proper area of the diagram. if an item describes more than one category, be sure to place it in the overlapping space. viruses are tiny infectious pathogens that cause many different diseases, such as polio, and the flu. though they are similar to one celled organisms in some ways, in many ways they are very different. use the venn diagram below to show the similarities and differences between viruses and living organisms.

What was the land like over 500 million years ago? what was under the sea?