Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
Plants produce their gametes in protective structures called what? |
Gametangia |
|
|
The two distinct forms of mosses |
--Gametophyte, which produces gametes --Sporophyte, which produce spores |
|
|
Charophytes |
--are a modern day lineage of green algae --may resemble one of these early plant ancestors |
|
|
Mosses (3 things) |
--Are bryophytes --Sprawl as low mats over acres of land --Need water to reproduce |
|
|
Two key terrestrial adaptations of mosses |
-- a waxy cuticle that prevents dehydration --the retention of developing embryos within the mother plant's gametangium |
|
|
Ferns are (2 things)... |
-- The most diverse seedless vascular plants (represented by 12,000 known species) |
|
|
The burning of fossil fuels releases |
--carbon dioxide and other greenhouse gases into the atmosphere, which, in turn, contributes to global climate change |
|
|
Gymnosperms can do what? (2 things) |
--complete their life cycle on dry land --withstand long, harsh winters |
|
|
Conifers (3 things) |
--cover much of Northern Eurasia and North America --Are usually evergreens, which retain their leaves throughout the year --Include the tallest, largest, and oldest organisms on Earth |
|
|
The three additional terrestrial adaptations of conifers and most other gymnosperms. |
--Further reduction of the gametophyte --Pollen --Seeds |
|
|
Angiosperms (3 things) |
--Dominate the modern landscape --Are represented by over 250,000 species --Supply nearly all of our food and much of our fiber for textiles |
|
|
Fruit (4 things) |
--Is a ripened ovary --Helps protect the seed --Increases seed dispersal --Is a major food source for animals |
|
|
Fungi are what? (2 things) |
--Are chemoheterotrophs --Acquire nutrients by absorption |
|
|
The body of most fungi are constructed of threadlike filaments called what? |
--Hyphae |
|
|
Hyphae are minute threads of cytoplasm surrounded by what? (2 things) |
--A plasma membrane --Cell walls mainly composed of chitin |
|
|
Hyphae branch repeatedly, forming an interwoven network called what? |
Mycelium AKA the feeding structure of the fungus |
|
|
Molds can destroy what? (4 things) |
--Fruit --Grain --Wood --Human-made material |
