What is Life: A Guide to Biology - Ch. 12 (CR)
Terms in this set (26)
Multicellular eukaryote that produces its own food by carrying out photosynthesis. They are sessile and mostly terrestrial.
Using energy from sunlight to convert carbon dioxide and water to sugar
Have vessels to transport water and nutrients. Does not produce seeds. Can grow taller than non-vascular plants
The plant has no tube-like vessels to transport water and nutrients. (The earliest plants are in this category)
Does not produce flowers or fruit.
Produces flower and fruit.
Consists of plants stem and leaves
Non-Vascular plants had to over come what?
1. Drying Out
The first evolutionary plant (475 million years ago) Non-Vascular
The material that protects all land plants from drying out. It is a shiny, waxy layer on the stem and leaves.
Liverworts, Hornworts, and Mosses. use diffusion and absorption to move nutrients in the body.
Gametophyte. Produces gametes. Sexual
Sporophyte. Multicellular structure in mostly non-vascular plants. Asexual.
Single cells (haploid) that contains DNA RNA and a few proteins.
What was the first Vascular Plant?
Produces spores from the Sporangia
In many ferns the structures on the underside of the leaves in which the spores are produced.
Fern Life Cycle
1. Adult ferns release haploid spores, which are carried by the wind to a new location. (Diploid Stage)
2. A spore lands on moist soil and grows into a haploid fern called a prothallus (Haploid Stage)
3. When there is sufficient water on the leaves, such as after rainfall, sperm swim from male reproductive structures to female reproductive structures, where they fertilize the egg (Haploid Stage)
4. A diploid embryo forms and continues to grow into an adult diploid fern (Diploid Stage)
An embryonic plant that has its own nutrient supply to grow once its been planted and sun hits it. Multicellular embryo. Male and female gametophytes: Pollen Grains and Ovules.
The nutritive tissue in flowering plants or trees that can fuel a seeds initial growth.
Flowering trees, bushes, herbs, and grasses
Pine Cone gender?
Male Plant Parts
1. Stamen- Reproduction Structure
2. Anther - produces the pollen
3. Filament - the supporting stalk
Female Plant Parts
1. Carpel- Reproduction Structure
2. Ovary- Contains eggs. Enclosed at the base
3. Style- The stalk
4. Stigma- The sticky tip
Closer in relation to animals than to plants. They are decomposers or symbionts. They are sessile. They have cell walls made of chitin.
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