BIO 189 Midterm Exam – Questions With Indepth
Solutions
Save
Terms in this set (122)
What is Pseudoscience? a collection of beliefs or practices mistakenly
regarded as being based on scientific method.
what are each level of organization? Cells, tissues, organ, organ systems, organism
population, community, ecosystem, biosphere
What is the difference between a Producers create, or produce, goods and provide
producer and a consumer? services, and consumers buy those goods and
services with money.
What is homeostasis? the ability to maintain a relatively stable internal
environment in an ever-changing outside world
What is the study of life? biology
Describe the differences between a Population: group of interbreeding individuals of
population, community, and the same species in a given area
ecosystem. Community: consists of all populations of all
species in a given area
Ecosystem: a community interacting with its
environment through energy transfer
,What are the major principles of all living things require ongoing inputs of energy
living things? and raw materials
all living things sense and respond to change
(homeostasis)
all living things use DNA as the carrier of genetic
information
How does energy move within an Energy flows in one direction from environment
ecosystem? Is heat a usable energy through organisms back to the environment as
source? heat.
Heat cannot be used as an energy source
What is a nutrient? How do nutrients Nutrient: a substance that an organism must
move within an ecosystem? acquire from the environment to support growth
and survival.
Nutrients in soil are taken up by plants, which
humans and animals then eat, and then
excreted by these organisms. or back into the soil
when the plants die
What is the purpose of DNA? To carry genetic information
What are characteristics of the three Archaea: Singular, archaeon. Group of prokaryotes
Domains? that are more closely related to eukaryotes than to
bacteria.
● No nucleus
■Bacteria: Singular, bacterium. The largest, most
diverse and well-known group of prokaryotes
● No nucleus
■Eukarya: Organisms whose cells characteristically
have a nucleus (protists, fungi, plants, and animals).
● Contain a nucleus
, What are the characteristics of a No nucleus
prokaryotic cell? No membrane bound organelles
What are the characteristics of a Larger than prokaryotic cells
eukaryotic cell? Nucleus
Membrane bound organelles
What components are found in both DNA
prokaryotes and eukaryotes? Plasma membrane
cytosol
What are the four main groups of Protists
eukaryotes? Fungi
Plants
Animals
How are species classified? What are Species are classified by using the Linnean system
the components of the scientific Two parts to the scientific name
name? Genus (first part)
Species (second part)
Ex: Home sapiens
What is a Control Group? Group of individuals identical to experimental
group except for the variable under investigation
What is an Experimental Group? Group of individuals who have a certain
characteristic or receive a certain treatment.
Tested side by side with a control group
What are variables? A characteristic that differs among individuals
An event that differs over time
Solutions
Save
Terms in this set (122)
What is Pseudoscience? a collection of beliefs or practices mistakenly
regarded as being based on scientific method.
what are each level of organization? Cells, tissues, organ, organ systems, organism
population, community, ecosystem, biosphere
What is the difference between a Producers create, or produce, goods and provide
producer and a consumer? services, and consumers buy those goods and
services with money.
What is homeostasis? the ability to maintain a relatively stable internal
environment in an ever-changing outside world
What is the study of life? biology
Describe the differences between a Population: group of interbreeding individuals of
population, community, and the same species in a given area
ecosystem. Community: consists of all populations of all
species in a given area
Ecosystem: a community interacting with its
environment through energy transfer
,What are the major principles of all living things require ongoing inputs of energy
living things? and raw materials
all living things sense and respond to change
(homeostasis)
all living things use DNA as the carrier of genetic
information
How does energy move within an Energy flows in one direction from environment
ecosystem? Is heat a usable energy through organisms back to the environment as
source? heat.
Heat cannot be used as an energy source
What is a nutrient? How do nutrients Nutrient: a substance that an organism must
move within an ecosystem? acquire from the environment to support growth
and survival.
Nutrients in soil are taken up by plants, which
humans and animals then eat, and then
excreted by these organisms. or back into the soil
when the plants die
What is the purpose of DNA? To carry genetic information
What are characteristics of the three Archaea: Singular, archaeon. Group of prokaryotes
Domains? that are more closely related to eukaryotes than to
bacteria.
● No nucleus
■Bacteria: Singular, bacterium. The largest, most
diverse and well-known group of prokaryotes
● No nucleus
■Eukarya: Organisms whose cells characteristically
have a nucleus (protists, fungi, plants, and animals).
● Contain a nucleus
, What are the characteristics of a No nucleus
prokaryotic cell? No membrane bound organelles
What are the characteristics of a Larger than prokaryotic cells
eukaryotic cell? Nucleus
Membrane bound organelles
What components are found in both DNA
prokaryotes and eukaryotes? Plasma membrane
cytosol
What are the four main groups of Protists
eukaryotes? Fungi
Plants
Animals
How are species classified? What are Species are classified by using the Linnean system
the components of the scientific Two parts to the scientific name
name? Genus (first part)
Species (second part)
Ex: Home sapiens
What is a Control Group? Group of individuals identical to experimental
group except for the variable under investigation
What is an Experimental Group? Group of individuals who have a certain
characteristic or receive a certain treatment.
Tested side by side with a control group
What are variables? A characteristic that differs among individuals
An event that differs over time
