Plant Reproduction and Biodiversity Flashcards

Flashcards based on lecture notes about plant reproduction and biodiversity.

What type of stigma do insect-pollinated flowers have?

Small and sticky stigma

What features attract insects to flowers?

Nectar guides, brightly colored petals (yellow or blue)

What are some characteristics of insect-pollinated flower anatomy and scent?

Small anthers and stigmas, sweet scented

Why do some flowers have sweet scents?

Attract insects for pollination

What is the typical size and color of wind-pollinated flowers?

Small (green or brown)

What type of stigmas do wind-pollinated flowers have?

Long and feathery

What kind of anthers do Wind-pollinated flowers have?

Large anthers

What is absent in wind-pollinated flowers regarding scent and nectar?

No scent or nectar

What can petals be replaced by in wind-pollinated flowers?

Bracts

What are the main functions of xylem and phloem?

Transporting water and photosynthetic products

What covers leaves to prevent water loss?

Waxy cuticle

What protects the seeds of some plants?

Seeds protected by fruit

What is the definition of pollination?

Transfer of pollen from an anther to the stigma

In self-pollination, where does the pollen transfer to?

The same flower

In cross-pollination, where does the pollen transfer to?

Flower of another plant of the same species

Name some common flower pollinators.

Birds, wind, and insects

What protects birds in flowers? (Typo in original notes, use original)

Gomosphe

Describe the petals of bird-pollinated flowers.

Brightly colored petals (red or orange)

What is the scent of bird-pollinated flowers like?

Mildly or not scented

Give an example of a bryophyte.

Mosses

Where are bryophytes commonly found?

Damp shady areas

What is a thallus?

No true roots, stems, or leaves

Is vascular tissue present or absent in bryophytes?

Absent

How do bryophytes reproduce?

Asexually or sexually

Give an example of a pteridophyte.

Ferns

What type of habitat do pteridophytes need?

Warm, damp, shady habitat

What true parts do pteridophytes have?

Leaves, roots, and stems

Give an example of a gymnosperm?

Pine trees

What are the different feeding habits of angiosperms?

Autotrophic, parasitic, or saprophytes

Where are the seeds found in angiosperms?

Seeds found in fruits