BIO 156 Test 1 Questions with Verified Correct
Answers
Define biology:
scientific study of life
What is our current rate of extinction?
1000x faster than the normal rate
Explain what the largest cause of extinction is:
Humans and human nature
List the order of components of "organization of life" (smallest to largest):
atom, molecule, cell, tissues, organs, organisms, population, community, ecosystem,
biosphere (earths crust, atmosphere)
Which stage in organization of life does life emerge?
The cell
Identify two categories in which all living things are classified:
Prokaryotic and eukaryotic
Flow of energy and cycling of materials in the world of life:
producers to consumers, they get energy from sunlight and the cycle continues
Define homeostasis:
process by which organism keeps internal conditions
List three things all living organisms strive for:
, 1. growth
2. reproduction
3. pass on DNA
Define biodiversity:
scope of variation among living organisms
Define nucleus:
double-membrane sac that encloses DNA
Which classification group do organisms with nuclei appear?
Eukaryotes
Which classification group do bacteria and archaea appear?
Prokaryotes
Define species:
unique kind of organism
Explain order of taxa from most to least exclusive:
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species, Common name
Describe the two-part naming system currently used in taxonomy:
It consists of genus and species, ex: homo sapiens
Describe process of scientific method:
critical thinking, science, hypothesis, prediction, model, experiment
Difference between control and experimental group?
Answers
Define biology:
scientific study of life
What is our current rate of extinction?
1000x faster than the normal rate
Explain what the largest cause of extinction is:
Humans and human nature
List the order of components of "organization of life" (smallest to largest):
atom, molecule, cell, tissues, organs, organisms, population, community, ecosystem,
biosphere (earths crust, atmosphere)
Which stage in organization of life does life emerge?
The cell
Identify two categories in which all living things are classified:
Prokaryotic and eukaryotic
Flow of energy and cycling of materials in the world of life:
producers to consumers, they get energy from sunlight and the cycle continues
Define homeostasis:
process by which organism keeps internal conditions
List three things all living organisms strive for:
, 1. growth
2. reproduction
3. pass on DNA
Define biodiversity:
scope of variation among living organisms
Define nucleus:
double-membrane sac that encloses DNA
Which classification group do organisms with nuclei appear?
Eukaryotes
Which classification group do bacteria and archaea appear?
Prokaryotes
Define species:
unique kind of organism
Explain order of taxa from most to least exclusive:
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species, Common name
Describe the two-part naming system currently used in taxonomy:
It consists of genus and species, ex: homo sapiens
Describe process of scientific method:
critical thinking, science, hypothesis, prediction, model, experiment
Difference between control and experimental group?
