Why is pollen needed in plant reproduction?

A. fertilization takes place in the pollen

B. pollen contains the egg cell

C. pollen contains the sperm cell

D. egg cells stick to pollen

Precipitation moves down into the soil and becomes groundwater. Groundwater that travels into the saturated soil zone becomes part of The

Describe the relationship between genetic testing and the polymerase chain reaction. How has the PCR technique made genetic testing possible on a large scale? For smart people only

How does recycling runoff reduce agricultural pollution?

Are the bacteria that cause bad breath aerobes or anaerobes?

Colorblindness is a recessive disorder. A man who is normal for color vision marries a woman who is colorblind. what is the probability their offspring will be colorblind if all their children are male?

21. Which step in cellular respiration occurs outside of the inner membrane space of the cell mitochondria? a. Krebs Cycle c. Transition Reaction b. Citric Acid Cycle d. Phosphorylation Reaction

Selectively cutting down trees on an area of land can be best described as?

Particles are displaced perpendicular to motion (up and down) in which kind of wave? Transverse Or Longitudinal

Which of the following is a cost of mining aluminum from new bauxite deposits

Which atoms are in all carbohydrates? Carbon, Iron, Oxygen Carbon, Hydrogen, Oxygen Carbon, Hydrogen, Nitrogen Nitrogen, Phosphorus, Oxygen