BIO 113 Plants Exam

Term for a life cycle that alternates between a gametophyte stage and sporophyte stage.

• Haplontic

• Diplontic

• Haplodiplontic

• Generational

Structure in plants that produces sperm.

• Antheridia

• Archegonia

• Sporophyte

• Thallus

Structure covering leaves and stem that prevents water loss.

• Epidermis

• Cuticle

• Stoma

• Mesophyll

Structure for gas exchange in plants

• Chlorophyll

• Mesophyll

• Stomata

• Plasmodesmata

Closest relative to the land plants

• Brown algae

• Chlorophytes

• Cyanobacteria

• Charophytes

Group of plants that have no vascular tissues and the gametophyte is the dominant stage.

• Ferns

• Bryophytes

• Seed plants

• Gymnosperms

Small, hair-like structures that aid in absorption and anchoring nonvascular plants.

• Roots

• Microphylls

• Cortex

• Rhizoids

Nonvascular plants as well as the vascular seedless plants require this for sexual reproduction

• Wind

• Water

• Fire

• Heart

Larger leaves with a pattern of branching veins

• Microphylls

• Megaphylls

• Strobili

• Sporophyll

Dominant part of the life cycle in all vascular plants

• Haploid gametophyte

• Diploid gametophyte

• Haploid sporophyte

• Diploid sporophyte