what is an organism
any living thing
What two things do PLANTS combine to make food? (HINT: photosynthesis)
Carbon Dixieioxide and Water
What is an ABIOTIC factor?
What is the difference between lab experiment and field experiment?
Field experiment occurs in natural setting
What is Ms. Dempster's dogs name?
Tuffy
What is a hypothesis?
•scientific explanation for a set of observations
Which level represents the LARGEST biomass?
Primary Producers (Plants)
What is a DIRECT OBSERVATION?
Direct: simply watching species easy to follow (birds)
Of these organisms, which has the LEAST amount of total energy available?
Mushrooms, fox, mouse, weasel
Fox
Which one has the greatest BIOMASS in their ECOSYSTEM?
Plant
The higher the temperature of water, the faster an egg will boil.
WHAT IS THE INDEPENDENT and DEPENDENT variables?
§Independent variable – temperature of water
§Dependent variable – time to cook an egg
In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?
Primary Consumer
What TYPE of organism is primarily responsible for recycling matter from animals back to the soil?
Decomposers
Control Variable is the variable that...
is not manipulated/stays constant
What trophic level is the RABBIT on?
Second Trophic level
WHAT STEP IS MISSING?
Plan experiment
If the producers produce 100kcal what will the secondary consumer energy level be?
10kcal
What is the difference between a generalist and specialist consumers?
Generalist can survive if a food source is removed
What animal is the SECONDARY CONSUMER
Frog
What is chemo-synthesis?
produce carbohydrates, using energy from chemical sources
What is BIODIVERSITY?
variety of life
if a producer produces 45,000,000kcal, how much energy is available to the secondary consumers?
450,000kcal
What is a biomass pyramid
diagram that compares biomass of different trophic levels within an ecosystem
What animal has the LEAST amount of energy available?
OWL
What state was Taylor Swift born in?
Pennsylvania