When the egg of one species does not react with the sperm of another

species this is

1. gametic isolation

2. temporal isolation

3. behavioral isolation

4. geographic isolation

In addition to water and carbon dioxide, photosynthesis requires A. Light and chlorophyll B. Oxygen and sugars C. Sugars and light D. Chlorophyll and oxygen

Why did Morgan choose fruit flies for his genetic studies

A cell with 1% solute concentration is placed in a beaker with a 5% solute concentration. What will happen to this cell over time?

If something is made of cells then it?

Which best describes the reliability of the information?

What organelle has vesicles migrate to the cell membrane?

Does anybody have the answers to the whole test?

In levels of orginization within an organism what is the order of these words; element, compound, organelle, cell, tissue, organ organ system

Why is fresh water a limited resource? Groundwater is too difficult to access Most water covering Earth is salt water. The supply of water on Earth decreases over time. Too much water is wasted on irrigation

Which sentences describe the differences between photosynthesis and cellular respiration