Shared Flashcard Set

Details

Exam vocab bio 120
s
16
Biology
11th Grade
10/15/2009

Additional Biology Flashcards

 


 

Cards

Term
Two main functions of roots
Definition
Anchorage of the plant body and uptake of water and mineral nutrients from the substrate.
Term
Thigmotropism
Definition
Nastic movements of climbing plants to support their growth. The twining around the support structure is called Thigmotropism.
Term
Pollen Grains 
Definition
Male gametophytes encased inside of a modified microspore wall.
Term
Dehisent fruits 
Definition
Seeds that have their own specializations for dispersal are likely to be found in Dehisent fruits
Term
Osmotic control over water in and out of the root stele is controlled at the?
Definition
Endodermis
Term
Polarity
Definition

-The unequal cell division of the zygote

-Development of different structures from the intial apical and bascal cells of the embryo.

-Formation of the shoot and root systems at opposite ends of the embryo proper.

 

Term
Phenotypic Plasticity
Definition

-The ability of a plant to change its physical features to different environmental conditions is called Penotypic Plasticity.

Term
A strobilus that has carpels as megasporophylls, stamens as microsporophylls, and a peranth is called?
Definition
A Flower
Term
Primary Meristems give rise to:
Definition
Cells that give compose the dermal, ground, and vascular tissues.
Term
Flowers that are pollinated by beetles often have...
Definition
Many flesh parts in the perianth
Term
Out growths of a leaf base are...
Definition
Stipules
Term
The carpel is a...
Definition
The carpel is a megasporophyll that encloses ovules
Term
Double fertilization results directly in:
Definition
A Zygote and Endosperm
Term
Seeds dispersed by ants have:
Definition
A fleshy, nutrient-rich eliasome that attracts ants as a food source.
Term
Contractile roots function in:
Definition

-Dispersing or deepening the position of subterranean shoot systems.

 

Supporting users have an ad free experience!