Plant Reproduction and Structures

These flashcards cover key vocabulary related to plant reproduction and structures based on the provided lecture notes.

Genus Sperm

Translates as 'naked seed', referring to seeds that are not surrounded by fruit.

Angiosperms

Plants that develop seeds surrounded by fruit.

Sporophyte

The diploid generation of plants that is predominant, which develops from a fertilized egg.

Gametophyte

The generation producing gametes, found within the cones of gymnosperms.

Microspore

The male spore in gymnosperms that develops into a pollen grain with sperm.

Megaspore

The female spore in gymnosperms that develops into the egg.

Pollen Tube

A structure formed by the tube cell of a pollen grain to deliver sperm to the egg.

Ovule

The structure that contains the egg and develops into a seed after fertilization.

Meiosis

A type of cell division that reduces the chromosome number by half, used to form spores.

Dioecious

Plant species having separate male and female individuals.

Monoecious

Plant species having both male and female reproductive structures on the same individual.

Stomata

Tiny openings on leaves that allow for gas exchange and water loss.

Cycads

A group of seed plants characterized by large seeds and a prevalence during the dinosaur era.

Ginkgo biloba

The only surviving species of Ginkgo that produces seeds and is known for its pollution resistance.

Double Fertilization

A process where one sperm fertilizes the egg and the other sperm fertilizes another cell to form endosperm.