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Where gas exchange takes place in plants


Vascular tissue consisting of living cells that distribute sugars throughout the plant


Vascular tissue made of dead cells that transport water and minerals from the roots

Nonvascular Bryophyta

Mosses are included in a group of plants called


They are seedless vascular plants with well developed roots and rigid stems. Many species have leaves called fronds and are most diverse in the tropics.

Conifers and angiosperms

The dominant types of seed plants

Vascular tissue, Cuticle, Stomata, Seeds and pollen.

What are the adaptations that help plants live on land?

Charophyceans, Bryophytes, Seedless Vascular Plants, Gymnosperms, Angiosperms

These represent the most likely sequence of the evolution of plants.

Alternation of Generations

Life cycle seen in plants

Diploid sporophytes that produce spores by meiosis alternate with gametophytes that produce gametes by mitosis.

Describes the alternation of generations in the plant life cycle.

Gametophyte Generation

The dominant stage of mosses

Both have flagellated sperm and have sporophytes that produce haploid spores.

Ferns and mosses are similar due to what?

Gametophyte, Sporophyte

In a moss, most of the plants that we see are _______, and in a fern the most dominant stage is the ______.


What has a dominant sporophyte generation and a free living gametophyte generation?

Coniferous Period

The great depositions of organic material during the Carboniferous period led to what?

Male Gametophyte

Which part of the life cycle does a pollen grain represent?


What plants have a dominant sporophyte generation and a seed but no fruit?

Tree, Cone

The _____ represents the sporophyte generation of a conifer and the ______ produces gametophytes.

Pollen Grain

Male gametophyte of a conifer.

Pollen Tube

The stigma is the protective chamber where the _______ develops.


Where the pollen grain develops.

Gametophye, Sporophytes

The angiosperm plant we see represents the _______ generation and the flower produces _______.


The ripened ovary of a flower which is adapted to disperse seeds is called _______?


What structure is found in angiosperms but not gymnosperms?


Angiosperms disperse their seeds by producing ______?


Fruits, vegetables, corn, rice and wheat are all examples of what?


Plants dependent on nocturnal pollinators typically have flowers that have what adaptation?


Plants and their pollinators evolve in response to each other's change in a process called _______?


What characteristic is shared by algae and seed plants?

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