Scientific Method
Observation/Inference
Abiotic/Biotic
Characteristics of Life
Organization of Ecosystems
100
The variable that is the "cause".
Independent Variable
100
There is a tree.
Observation
100
Sun
Abiotic
100
Humans need to eat food in order to survive. Plants need the sun to survive.
Obtain and Use Energy
100
One single living thing.
Organism
200
Variable that is the "effect".
Dependent Variable
200
It is summer.
Inference
200
Worms
Biotic
200
Individuals must produce a new organism in order to continue their species on earth.
Reproduction
200
Includes abiotic and biotic.
Ecosystem
300
Educated guess that serves as a prediction for an experiment.
Hypothesis
300
There is a deer.
Observation
300
Living Organisms
Biotic
300
Living things respond to stimuli such as a predator chasing a prey.
Response to Environment
300
Many of the same species in an area.
Population
400
What should always be the first word in a hypothesis?
If
400
Uses your senses.
Observation
400
Bacteria
Biotic
400
All organisms begin as single cells and over time they form new structures.
Growth and Development
400
Many different species in same area. All living.
Community
500
Identify the IV and DV in this hypothesis:
If I eat healthy, then I will lose weight.
IV= eat healthy
DV= lose weight
500
Conclusion based on observation.
Inference
500
Nonliving
Abiotic
500
Dogs and trees are multicellular, small organisms such as bacteria are considered unicellular.
Contain one or more cells.
500
What is the difference between a community and an ecosystem?
Community- all living things
Ecosystem- living AND nonliving