Worksheets7th Grade Life Science 2ND Semester Midterm Review
Total questions: 153
Worksheet time: 3hrs 46mins
What is the term for each step in the transfer of energy and matter within a biological community?
energy path
food web
trophic level
food pyramid
Evolution is best defined as:
the process which organisms die.
the process which organisms change over time.
the process which organisms that are extinct become revived.
the process which non-living things fossilize.
The solidified remain or imprint of a once living thing are called:
Fossils
Homologous Structures
Vestigial Structures
DNA
What type of evidence is represented in the picture above:
Fossils
Vestigial Structures
DNA
Homologous Structures
Adaptations are:
physical or behavioral tendencies.
physical or behavioral characteristics that help an organisms survive and reproduce.
physical or behavioral characteristics that do not help the organism in any way.
genetic mutations that have gone wrong.
Which scientist is known for his work that he did on the Galapagos Islands to develop his theory of natural selection?
Gregor Mendel
Charles Darwin
Anton Van Leewenhoek
Robert Brown
A species is defined as:
a group of organisms that are extremely different.
a group of organisms that have similar characteristics and always live in the same place.
a group of organisms with similar characteristics and can reproduce to make fertile offspring.
any two organisms to make a hybrid.
What statement is true regarding why natural selection can be easily seen in insects and bacteria?
Natural selection only occurs in prokaryotic cells
Insects and bacteria can reproduce faster than more complex organisms and pass on selected traits quicker
Insects were the first multi-cellular organism to live on land
Bacteria have directly evolved from insect traits.
What is the term for a feature that allows an organism to survive better in its environemtn?
variation
adaptation
homologous structure
vestigial structure
According to fossil records, the horses that lived 50 million years ago were much smaller, weaker and slower than modern horses. Which process is most likely responsible for the changes that have led to the increased size, strength, and speed in horses?
evolution by natural selection
migration
inbreeding
commensalism
What does it mean when organisms share a common ancestor?
They evolved from 1 species that lived in the past
They are the same species
The organisms have exactly the same traits
The organisms are very different from one another
Canis lupus
(Taxonomy) The classification system we use today was created by....
Watson & Crick
Darwin
Mendel
Linnaeus
(Taxonomy) Classifying organisms based on their characteristics is called...
taxonomy
sorting
organizing
grouping
(Taxonomy) Which level of classification is the most broad?
Species
Class
Domain
Kingdom
(Taxonomy) Which level is the most specific?
Domain
Family
Species
Genus
(Taxonomy) What languages are scientific names written in?
Latin or Spanish
Spanish or German
German or Greek
Greek or Latin
(Taxonomy) How many scientific names does an organism have?
1
2
3
many
(Taxonomy) How many common names does an organism have?
1
2
3
many
(Taxonomy) The scientific name for a lion is Panthera leo, what is the genus?
lion
Panthera
leo
(Taxonomy) An organism's scientific name includes its...
Family & Genus
Kingdom & Family
Genus & Species
Class & Genus
(Taxonomy) What tool do scientists use to classify organism based on their characteristics?
pedigree
cladogram
punnett square
dichotomous key
(Domain) Which domain(s) include only prokaryotic cells? (without nucleus)
Eukarya & Bacteria
Archaeabacteria
Bacteria & Archeabacteria
Bacteria
(Domain) Which domain(s) include organisms that have eukaryotic cells? (has nucleus)
Eukarya
Eukarya & Bacteria
Bacteria
Archaeabacteria
(Domain) Organisms in ______________ domain live in extreme environments like volcanic thermal vents.
Eukarya
Bacteria
Archaebacteria
(Kingdoms) Moss is multicellular, autotrophic (photosynthetic), and has cell walls. Which kingdom does moss belong to?
Protista
Fungi
Plantae
Animalia
(Kingdoms) Organisms in ____________ kingdom are unicellular, heterotrophs or autotrophs, most are aquatic and can be animal-like, plant-like, or fungus-like.
Fungi
Animalia
Protista
Plantae
(Kingdoms) This kingdom is the largest, organisms are multicellular, heterotrophs, most can move, aquatic or terrestrial, warm or cold blooded.
Protista
Animalia
Plantae
Fungi
(Kingdoms) Which kingdom contains organisms that are mostly multicellular, have cell walls, and can be decomposers or heterotrophs?
Fungi
Plantae
Animalia
Protista
(Taxonomy) What is hierarchy of classification from broad to most specific?
Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain
Kingdom, Domain, Phylum, Family, Order, Class, Genus, Species
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
Domain, Kingdom, Phylum, Order, Family, Class, Genus, Species
(Taxonomy) The method of naming organisms by two names is known as...
dichotomous naming
binomial nomenclature
the scientific method
