Anything in an experiment that can change
variable
What is the smallest unit of a living organism?
the cell
What is a species? Is it the most inclusive taxon or the most specific taxon?
most specific
What does the "M" in Mrs. Creng stand for?
movement
What is the act of attentive watching, perceiving, or noticing using one or more of your 5 senses?
observation
What are the factors or conditions that are not changed in the experiment?
control variables
List the levels of organization in multi-celled organisms.
cells
tissues
organs
organ systems
organism
In asexual reproduction, what percent of the DNA does each offspring have?
100%
What is the complete meaning of the term "biotic"?
living or once living
In the laboratory, can hot and cold glassware look the same?
yes
What is a way of learning about the natural world?
scientific inquiry
What 3 organelles are found in a plant cell that are NOT found in an animal cell?
cell wall
chloroplasts
large vacuole
A group of organisms that have similar characteristics and can mate to produce offspring that can mate is called ________________.
a species
An object's structure is
how it is made
You are in the science lab. What are 3 times that you must wear goggles?
when using heat, chemicals, and/or sharp objects
When would you use the water displacement method?
--when you are trying to find the volume of an irregularly shaped object
Why is an organism called prokaryotic?
It has no nucleus.
What 2 parts of the microscope do you use to find the total magnification of an object?
eyepiece (occular lens) and objective lens
The "S" in Mrs. Creng stands for sensitivity. Living organisms are sensitive. What does "sensitivity" mean?
What is the definition of volume?
the amount of space matter occupies
A scientist wanted to test if light would speed up evaporation of water. He took 2 petri dishes and placed a drop of distilled water in each dish. He put a lamp over one dish and place the other dish on another table away from the light. He measured the amount of water after 2 hours, 4 hours, 6 hours, and 10 hours. What was the dependent variable?
amount of water
If the organelles of a cell have no energy, which organelle is for sure not doing its job?
mitochondria
What are the names of the 8 taxon levels?
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
Respiration is one of the "Rs" in Mrs. Creng. If a living organism carries on respiration, what is it doing?
Taking glucose (sugar) and oxygen and making ATP (energy).
What type of investigation involves testing something and includes a control group?
experimental investigation