if you see a sedimentary outcrop and red layers of sand are at the top of pale layers of rock, what does this tell you about the ages of the rock layers?

Biology students used raw eggs in an experiment on tonicity and osmosis. The students put their eggs into vinegar to remove the shells. The vinegar was used to remove the shell form the raw egg.

What organelles are small bubbles of membrane that transport materials throughout the cell?

Should people choose mates for animals for specific reasons? Why or why not? Explain

Drag the tiles to the correct boxes to conplete the pairs not all tiles will be used match each feature to its description

Can someone explain what alleles are?

GMU professors in Biology/Medicine area founded companies or are the members of Scientific Advisory Boards of the companies.

Which process causes clouds to form on particles of dust

Which is an advantage of producing genetically engineered crops that have pest-resistant genes? bioaccumulation of crops over time allows farmers to grow any crop they want reduces the use of pesticides for certain insects gene transfer to nontarget

If an individual was exercising at an exercise intensity of 1.5 liters of oxygen per minute, and had a mechanical efficiency of 20 percent, how many heat Calories would this person generate in 30 minutes?

If a pin is. 001 m wide how many red blood cells could you line up across a pin