Two atoms that differ only in the number of neutrons they contain are known as

Bees fly from one flower to another and collect nectar. They turn this nectar into food. When a bee lands on a flower, pollen from the flower sticks to the bee's legs and body.

A tree grows and increases its mass. explain why this phenomenon is not a violation

How to use a genetic code

The final stage of mitosis where the chromatids are on opposite poles of the cell and two nuclear envelopes develop?

dna is a polymer, which means that its made up of many repeating single units (monomers). what are the monomers called?

The insertion of the human insulin gene into the bacterium Escherichia coli allowed it to produce human insulin. Which type of organism is E. coli?

When do introduced species become invasive?

If arthropods' appendages were not jointed, how would that affect them?

A student decides to set up an experiment to see if detergent affects the growth of seeds. he sets up 10 seed pots. 5 of the seed pots will receive a small amount of detergent in the soil and will be placed in the sun.

When a liquid or gas is no longer heated, the convection currents what?