Scientific Method
What is the variable that the scientist changes in an experiment?
Independent variable
Food chains and food webs show how this flows through a system.
Energy
What is a close permanent relationship between two species?
Symbiosis
What is a pigment that organisms need to perform photosynthesis?
Cholorphyll
What kind of cells have a membrane bound nucleus and other internal organelles?
eukaryotic
a control
What is the name of a step in the food chain.
trophic level
What is a relationship where both organisms benefit?
Mutualism
ATP
What cells no NOT have a nucleus?
bacteria
What core characteristic is how organisms obtain energy. It includes eating and breathing.
Metabolism
Only 10% of available energy is transferred at each step of a food chain. The rest is given off as what?
Heat
What is a relationship where one species benefits and the other is harmed?
Parasitism
What is another word for a food molelcule where energy is stored?
glucose
What makes energy ATP for the cell?
Mitochondria
What core characteristic is the maintenance of a stable environment inside the body?
metabolism
What is primary succession?
Only rock remains.
What is a relationship which benefits one species and the other is unaffected?
Commensalism
If a cell does not have oxygen, it will use what to keep going?
Fermentation
What breaks down food and wastes in the cell?
Lysosome
What is the genetic code of all living things?
DNA
What is secondary succession?
What is logistic growth?
The population increases rapidly and then levels off as it reaches carrying capacity.
What are products of photosynthesis?
Glucose and oxygen
What transports substances outside of the cell?
Golgi