6. Select four species that would be affected by the Keystone XL and Dakota
Access pipelines. (Select 4!!)
1-American Burying Beetle
2-Bear
3-Greater Sage-Grouse
4-Swift Fox
5-Whooping Crane
6-Yellowstone Wolf

Did the vinegar diffuse all the way to the center of any of the cubes? if so, which ones? what does this tell you about surface area-to-volume ratio and the diffusion rate?

Which is the best example of plant tissue? the answer is d (just took the test)

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell