Ecosystems: Flow of Energy and Matter in Ecosystems Flashcards
(53 cards)
Self feeders that can produce their own food.
-Autotrophs
Organism that can produce their food through the process of photosynthesis.
-Photoautotrophs
Organism that can produce their food through synthesizing energy from chemical substances.
-Chemoautotrophs
Process of using the energy from inorganic substances.
-Chemosunthesis
Organisms that feed on autotrophs or other heterotrophs to obtain the energy they need.
-Heterotrophs
The overall chemical reactions that happen in an organism.
-Metabolism
The constructive phase of metabolism.
-Anabolism
An energy storing reaction.
-Endergonic reaction
The destructive phase of metabolism.
-Catabolism
An energy releasing reaction
-Exergonic reaction
Visible portion of the sun’s radiation.
-Light
The high energy organic molecule that powers various life activities
-Food
The food factories in a plant.
-Leaves
The raw materials for photosynthesis
- carbon dioxide
- water
The tiny pores of a leaf.
-Stomata (stoma)
Carbon dioxide dissolves in water and is stored in the leaf in the form of_______.
-Carbonic acid
Where are pigments located in?
-Plastids
Which pigments give the leaf its green color and light trapping ability?
-Chlorophyll
Powers the entire photosynthetic reaction.
-Energy
Substances that speed up or slow down specific reactions related to photosynthesis.
-Enzymes
Substances that can readily accept and release high energy electrons
-Electron Carriers
Disc shaped structures that are suspended in the cytoplasm of plant cells.
-Chloroplasts
Thin, flat disc like sacs that is suspended in a jelly like fluid.
-Thylakoids
A jelly like fluid that suspends the thylakoids.
-Stroma
