Ecology
Where do autotrophs get their energy?
Sun
What are the monomers of proteins?
Amino Acids
According to the cell theory, all cells come from....
Preexisting cells.
Osmosis refers to the movement of _______ along a concentration gradient.
Water
The single largest factor in species loss is...
habitat loss
Where does a heterotroph get their energy?
Plants and Animals
Name the reaction that builds macromolecules.
Dehydration Synthesis
Number of layers that make up the cell membrane
2
Active transport requires the use of what?
Energy (ATP)
The basic unit of all living things is the...
cell
Evaporation changes water into what?
Water Vapor (a gas)
What is the purpose of an enzyme?
Speeds up chemical reactions.
Where does a cell use glucose?
Mitochondria
Active transport moves molecules from ______concentration to _______ concentration.
low, high
Name one difference between plant and animal cells.
Plant cells have a cell wall and chloroplasts.
Name one way that carbon enters the atmosphere.
Burning of fossil fuels, volcanoes, organisms die, respiration (breathing)
What type of lipids make up cell membranes?
Phospholipids
Prokaryotes lack a
Nucleus
Facilitated diffusion requires the use of
Channel Protein
How would a decrease in the secondary consumer level affect the primary consumer level?
Increase
If there is 500000 Joules of energy at the producer level, how much is available to the secondary consumers?
5000 Joules
The main function of carbohydrates is...
To produce energy.
Plant cells remove what gas from the atmosphere?
Carbon dioxide.
What would happen to cells placed in a hypertonic solution?
Shrivel or shrink
How does ATP produce energy?
Breaking the bond between the second and third phosphates.