The transfer of pollen grains to an ovule

 

movement of substances across cell membranes that uses energy; often moves substances against a concentration gradient.

 

an enzyme that breaks down complex carbohydrates.

 

chemicals that reduce the danger of oxygen-free radicals. Vitamin C is a common antioxidant.

Floral organ that produces pollen.

in cladistics, this term describes a recent characteristics that is derived from, but no longer the same as, an ancestral characteristic. Derived characteristics arose at some time after the first “sp [..]

 The production of offspring from a single parent; the genetic makeup of the offspring is identical to that of the parent.