Bio Ch.1 LS
Which of the following associated with animals:
-Eukaryotes -ingest food -multicellular
Some of the methods by which scientists expand their knowledge and make observations
-Use of instrumentation -Visual observation -Examining results of other scientists
Functions of DNA:
-instructions for metabolism -Blueprint of an individuals genetic information -instructions for organizations
What are characteristics of photosynthesis?
-it is performed by plants -it will involve energy transformation -it absorbs solar energy
List characteristics of ALL living organisms:
-responsiveness -organization -homeostasis
Two of the most biologically diverse ecosystems?
-tropical rain forest -coral reef
List taxons from largest group to smallest
1)domain 2)Kingdom 3)Phylum 4)Class 5)Order 6)Family 7) Genus 8)Species
Place the following steps of the scientific method in the correct order as they would occur from beginning to end placing the first step at the top.
1)hypothesis 2)experiment 3)analysis of results 4)conclusion
The biodiversity of the planet may be as high as _million species
15
Domain Eukarya is evolutionarily more closely related to Domain
Archaea
Domains of Prokaryotes
Archaea and Bacteria
The parts of the Earths crust, water and atmosphere inhabited by living organisms is called the
Biosphere
The imbalance of which chemical cycle is leading to climate change
Carbon
An increase in which substance in which substance in the atmosphere is primarily responsible for global warming?
Carbon dioxide
What Archaea structure is more similar to the Eukarya structure than the Bacterial structure?
Cell membrane
Genes are made up of ___, which provides the instructions for the organization and metabolism of the organism.
DNA
Mushrooms and molds are members of the kingdom
Fungi
which of the following allows a scientist to think creatively about isolated facts and come up with a hypothesis?
Inductive reasoning
Which level do the terms Plants, Animals, and Fungi correspond?
Kingdom
Most scientific names are based on which language?
Latin
The group contains mainly single-celled eukaryotes such as protozoans?
Protists
What eukaryotic group contains mainly unicellular organisms?
Protists!!!!
The type of energy is used by nearly every living organism on Earth, either directly or indirectly
Solar
Which of the following would have been the experimental variable in the Alexander Flemming experiment described in the text?
The bacteria being tested
A characteristic of life is most closely related to the suitability of an organism to its environment is
adaptation
The flattened wings of penguins that are suited for an aquatic lifestyle are an example of an ___ to a specific environment.
adaptations
The combination of __ will form molecules
atoms
The smallest and most basic unit of life is the _______ , which, itself. is considered to be alive.
cell
What is found in prokaryotes?
cell wall and plasma membrane
A tissue consists of a group of similar ____ that perform a common function.
cells
Identify the ways in which emerging diseases can occur
changes in human behavior and increased exposure to animals
Which beneficial feature is found within a functional ecosystem?
chemical cycling
Within an ecosystem, death and decomposition return _____ to the producers
chemicals
Populations that live and interact within a particular area are called an
community
After collecting and interpreting data, a hypothesis is either accepted or rejected. The decision is called the
conclusion
Experimental design often involves comparing a test group to an ____group in order to determining the effects of the experimental variable
control
Facts or information collected by observation or experimentation during the scientific method are called
data
The diversity of life that we observe results from the fact that ___ can change over time.
deoxyribonucleic acid
All living organisms are assigned into three large groups called: Bacteria, Archaea, Eukarya, these groups are called
domains
A biological community and its associated physical environment comprise an
ecosystem
The workings of ___ensure that the environmental conditions of the biosphere are suitable for humans
ecosystems
Levels of biological organization build upon the previous level and exhibit unique properties know as _____ properties
emergent
The plant as a whole will have properties that are not shown by its separated tissues and organs. Such properties are called ____________ properties
emergent
A disease that is new is called an
emerging
The capacity to do work is called
energy
An evolutionary adaptation suits an organism to its
environment
The explanation of how living organisms arose from a single ancestor can be explained by the process of
evolution
The process of change that allows populations of organisms to become more suited to their environment over time is known as
evolution
The complete death of species or larger classification category is called
extinction
Each order is decided into smaller taxonomic groups called
families
Once the egg and sperm combine, the new cell will have inherited characteristics due to which two of the following:
genes and DNA
The taxonomic group that contains closely related species is referred to as
genus
In an ecosystem, as energy is transferred from one population to another, some of the energy is lost as
heat
The maintenance of normal internal conditions in a cell or an organism is referred to as
homeostasis
At present, we are losing as many as _______ of species per day due to human activities
hundreds
A possible explanation for a natural event that can be tested scientifically is referred to as a
hypothesis
Based on the theory of evolution: The diversity of life
is explained by adaptations to the environment
Based on the theory of evolution: The unity of life
is explained by descent from a common ancestor
The taxanomic group that is divided into smaller groups called phyla is referred to as
kingdom
The sum of all chemical reactions that occur within a cell is referred to as
metabolism
Researchers often use _ for testing because of ethical concerns, expense, or physical limitations.
models
SOME of the Levels of biological organization from smallest to largest
molecule cell tissue organism population ecosystem
The union of two or more atoms of the same element is called a(n)
molecules
If an organism consist of more than one cell it is called ___ organism
multicellular
Genetic variations are introduced among the members of a population through ___of the genetic material
mutation
Scientists use tools such as microscopes, binoculars, or telescopes to study organisms with the method of
observation
A combinations of two or more tissues that perform a common function form a
organ
The taxonomic group kingdom divided into smaller groups called
phyla
A multicellular, photosynthetic, eukaryote that is typically adapted to life on land is an
plant
A group of interbreeding organisms occupying a certain area form
population
A theory that is accepted by an overwhelming number of scientists is called a (n) _______ or law
principal
Natural selection occurs because a prey organism that avoids being eaten
produces more offspring than other prey
An organism, like a bacterium or archaean, that lacks a membrane-bounded nucleus and membranous organelles is called
prokaryotes
An example of behavioral mechanism for maintaining homeostasis is
regulating body temperature by sun exposure
Darwin realized that all individuals in a population have the ability to___ , but not all do so with the same level of success
reproduce
The characteristic of life that results in the production of the next generation is called
reproduction
Populations change over time by way of natural selection due to differences in _ within the population
reproduction success
The characteristic of life that refers to the ability of an organism to actively interact with its environment and other living things is called
responsiveness
The two-part name that biologists assign to a species is called the ______ name.
scientific
Organisms that are capable of interbreeding to produce fertile offspring are considered members of the same
species
The taxonomic group genus is divided into
species
A group of related organs working together form an organ
system
Identify and grouping organisms are the tasks of
taxonomy
The term is a binomial name is the genus name
the first term
An organ is a structure formed from different types of
tissues