Scientific Method
What is the first step of the scientific method?
Ask a question/make an observation
All living things are made of what?
Cells
What is the broadest level of classification?
Domain
What are the 4 macromolecules of life?
Carbohydrates, lipids, proteins, nucleic acids
What macromolecule includes sugars and starches?
Carbohydrates
What is the variable the scientist changes?
Independent
What characteristic of life explains why humans sweat when hot?
Homeostasis
Why do scientists use binomial nomenclature?
Avoids confusions because scientific names are universal
Which macromolecule is the main source of quick energy?
Carbohydrates
Whats the smallest level of biological organization?
Atom
In an experiment testing fertilizer on plant growth, what would be the independent and dependent variables?
IV- Fertilizer
DV- Plant growth
Plants making food through photosynthesis is an example of what life function?
Energy use/Metabolism
What is the format of binomial nomenclature?
Genus species
Which macromolecule stores genetic information?
Nucleic Acids
What is the main difference between a eukaryote and a prokaryote?
Nucleus! Prokaryotes lack one. Eukaryotes have one
In an experiment, why is it important to keep all variables except the independent variable constant?
To ensure that only the independent variable is affecting the results
The ability of organisms to produce offspring is called what? What are the two types?
Asexual and Sexual Reproduction
What is the correct order of classification levels from most broad to most specific?
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
What is the monomer for proteins?
Amino acids
What term describes all the living and nonliving things in a specific area interacting together?
Ecosystem
A research team publishes results showing a new medicine reduces headaches. Other scientists repeat the study but get different results. What should the scientific community do next?
Re-examine the experiment, repeat testing under controlled conditions, and look for errors or alternative explanations before accepting the claim
Are viruses living or non-living? Give 2 characteristics of life to support your reasoning.
Nonliving
Not made of cells, cannot reproduce independently
What are the 3 domains? Which ones are prokaryotes?
Domains: Eukarya (eukaryote), Archaea(prokaryote), Bacteria (prokaryote)
Fats and oils are example of which macromolecule and what is their polymer?
Lipids; Triglyceride
An animal hibernates for the winter. Which characteristics of life are involved?
Response to stimuli and homeostasis