On a phylogenetic tree, what do the branch lengths represent?

The age of the organisms

amount of genetic change since divergence

amount of genetic change since convergence

The age of divergence

Which statement best describes the role of phosphorus in the body

How does a cell move a molecule that is too large for transport proteins?

Explain how temperature and amount of precipitation can affect the type of plants and animals found in the grassland biome?

What is the difernt bettwen boys and girls puberty

Yeast cells of mating type a are genetically engineered to produce only mating factor α instead of the normal mating factor a. The gene for the mating factor receptor was unaltered. How will these engineered cells behave in terms of mating?

As líquid water freezes, the molecules take up more space than aqua water What do you think would happen if frozen water molecules required less space than liquid water molecules?

Which of the following mineral types can you use radiometric dating on? Homogeneous Inorganic Radioactive Ore

Which type of bond holds a water molecule together

Make a claim that answers the scientific question

A cow eating grass is an example of A) herbivory B) predation C) habitat destruction D) a keystone species