Plant Evolution
The ancestors of todays land plants were?
Green Algae
What type of root system do monocots have?
Fibrous root system
What must happen for a seed to germinate.
The seed must absorb water.
what is a pepo?
berry with a hard rind, watermelon, cantalope, squash
what type of life cycle do plants undergo?
alternation of generation
What is the waxy protective covering of a land plant?
The cuticle
What type of seeds do monocots have?
Single cotyledon
True or false, seed plant are not heterosporous.
False
what type of fruit is develop from a single matured ovary in a single flower?
Simple fruit
what process produces gametes?
mitosis
What are the distinguishing characteristics of vascular plants?
Monocots leaves have ________ veins.
Parallel
what are the three ways the seeds can be dispersed?
By wind, water, or organisms.
What is the Outer layer known as shell or skin of fruits?
epicarp
What are the two phases that alternated in the plant life cycle?
mitosis and meiosis
What type of land plants developed seeds?
Gymnosperms
The flower structure of monocots are in parts of?
3
What is the polidy of a seed?
2n
what is a hesperidium ?
berry with a leathery rind and parchment like divisions between sections, citrus fruits
what were early plants like?
simple and grew close to the ground (no vascular system)
In leaves the openings called ________ regulate the exchange of gasses?
Stomata
True or false, monocots have scattered vascular bundles in the stem.
True
What are the three structures inside of the seed.
The seed coat, stored food, and the embryo
What is a drupe?
endocarp stone-like, hard. exocarp a thin skin, peaches, plums, walnut, pecan, mango
what are the factors that group plants?
- water conducting tissues (vascular tissue)
- seeds (types)
- flowers (do they have them?)