Biology Exam 3 Flashcards
Has an entirely fleshy mesocarp with numerous seeds
Berry
Has a fleshy mesocarp and exocarp with a hard single seed
Drupe
Splits along two seems and dry at maturity
Legume
Multiple seems and produces a dry fruit
Capsule
Seed coat and fruit wall are fused produces a dry fruit
Grain
Separate ovary wall and seed coat
Nut
What is a fruit?
The mature ovary used to disperse seeds
Single ovary on a single flower
Simple Fruit
Has one flower with multiple ovaries
Aggregate Fruit
Multiple fruit fused together
Multiple Fruit
Structure used for seed dispersal but is not from the ovary
Accessory Fruit
Wheat
Near East
Maize
Meso America
Rice
Far East
Beans
Meso America
Peas
Near East
Soy Beans
Far East
Potato
Meso America and stores its starches in the stem or tubers
Sweet Potato
Meso America and stores starches in the roots
Cassava
Meso America
Group of grasses
Wheat, Maize, Rice
Group of legumes
Beans, Peas, Soybeans
Half of the calories that are consumed by humans are
Grassess
Culm
Vertical stem where flowers are attached where fruits and seeds where sexual reproduction happens
Stolon
Horizontal stem above ground
Rhizome
Horizontal stem below ground that allows the grasses to clone itself
The adaption in grasses that allows it to be grazed?
The meristem being at the base so it wont be eaten and the plant wont die
Alkaloids
End in “-ine”
Crosses the blood brain barrier because they are shaped like the nucleotides in DNA
Direct impact on the central nervous system
Glycoloids
Sugar attached to nonsugar molecule
Usually large
Why do we use both Alkaloids and Glycoloids in medicine?
Because it has a psychological affect on the human body.
Why does it have such a strong psychological affect?
Produces chemicals to stop herbivory