Scientific Method
The first step of the scientific method
Observe
What is something called when it has a pH of 0-6.9?
Acid
What are living things in an ecosystem called?
Biotic Factors
All living things are made of ______.
Cells
What percentage of energy is transferred to each organism every trophic level?
10
What is the variable that you change in an experiment?
Independent Variable
What is something called when is has a pH of 7.1-14?
Base
What are non-living factors in an ecosystem called?
Abiotic Factors
The two types of reproduction are
Sexual and asexual
What are at the bottom of all Energy Pyramids?
Producers
What are the things that stay the same in an experiment?
Constants
What is something called when it has a pH of 7?
Nuetral
What is a relationship between two organisms and how they interact with each other called?
Symbiosis
What does it mean to maintain internal conditions?
Homeostasis
What is a heterotroph?
Organisms that eat other organisms
The thing that is not tested in an experiment and is used to compare with the things that did get tested.
Control
What does the pH scale range from?
0-14
What is it called when one organism benefits and one is neither benefited or harmed?
Commensalism
What does it mean for living things to change over time as a response to their environment.
Evolution
What is an Omnivore?
An organism that eats both meat and plants
True or False: In a study to determine whether how long a student sleeps affects their test score, the independent variable is the student´s test score.
False
What is a solution that has more OH- ions than H+ ions?
Base
The relationship between a heartworm and a dog is an example of
Parasitism
How many characteristics are there of living things?
8
What is at the top of all Energy Pyramids
Tertiary Consumers