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DUE ON 12/13.
Name: ____________________________________
Period: ________
The science of naming and classifying organisms is called ________________________________________
2. Linnaeus’s two-word system for naming organisms is called _______________________________________
3. What is an advantage of using Latin in naming organisms? ________________________________________
4. The unique two-part name for a species is called a scientific name. The first word is the _________________
and the second part is the __________________. The first letter of the Genus name is always
_________________________ and the first letter of the species is always _____________________.
Scientific names are always underlined or _________________.
5. Determine the correct order of the categories from largest (most general) to smallest (most specific). Number
the largest 1, smallest 8.
_____ phylum
_____ class
_____ species
_____ family
_____ order
_____ kingdom
_____ genus
_____ domain
6. There are 3 domains: Bacteria, Archae, and Eukarya. Label the following characteristics with the domain they
are associated with.
_______________ Includes protists
_________________ Contains all eubacteria
_______________ Prokaryote, lives anywhere
_________________ Cells have a nucleus
_______________ Contains organelles within cells
_________________ Multicellular
_______________ Includes methanogens
_________________ Cell walls of peptidoglycan
7. Would two organisms be more closely related if they shared the same genus or family? ________________
8. List the 6 kingdoms used in the classification system:
Match the following words to the correct description.
_____ 1. Autotrophic
_____ 2. Cell membrane
_____ 3. Cell wall
_____ 4. Eukaryotic
_____ 5. Heterotrophic
_____ 6. Multicellular
_____ 7. Photosynthetic
_____ 8. Prokaryotic
_____ 9. Unicellular
_____ 10. Eubacteria
_____ 11. Fungi
_____ 12. Plantae
_____ 13. Animalia
_____ 14. Consumer
_____ 15. Domain Eukarya
_____ 16. Kingdom
_____ 17. Invertebrate
_____ 18. Morphological differences
_____ 19. Vertebrate
_____ 20. Species
_____ 21. Phylogenic tree
A. organisms that lack nuclei & membrane bound
organelles; bacteria; were once part of the
Kingdom Monera (but now make up the
kingdoms of Archaebacteria & Eubacteria
B. Animal with a backbone
C. What biologists would use to create a
cladogram D. The most general group that an organism can
belong to is a E. organisms that have nuclei & membrane
bound organelles
F. Kingdom that contains organisms that have
cell walls made of chitin and do not have
G. Animal without a backbone
H. Two organisms within the same species can
be organized into several related I. rigid structure found outside of the cell
membrane for support and shape
J. structure found surrounding the cytoplasm
of all cells; separates the contents of the
cell from the environment; helps maintain
homeostasis; is semipermeable
K. composed of only one cell
L. composed of many cells that function
together to maintain the homeostasis of the
M. organisms that make their own food; do not
N. organisms that make their own food using
chloroplasts which capture light energy and
convert it to chemical energy using CO2 &
H2O; autotrophic
O. organisms that eat other organisms; can not
make their own food in their cells, tissues, or
P. A branched diagram showing relationships of
organisms and divergent evolution is called Q. Another name for a heterotroph
R. Kingdom containing pathogens (disease
causing bacteria)
S. Kingdom containing organism without cell
walls & chloroplasts
T. Kingdom with organisms who are autotrophic
but also have membrane-bound organelles
U. Contains all eukaryotes found in the
Kingdoms of Protista, Fungi, Animalia &
Classifying Organisms
Each of the following organisms is newly described. Based on the description, identify the domain and
kingdom to which each belongs.
Organism 1 – composed of over 1 trillion cells, all of which contain a nucleus; feeds on worms & other
invertebrates; reproduces sexually
Domain ________________________
Kingdom _______________________
2. Organism 2 – unicellular, heterotrophic, reproduces sexually, cell walls contain chitin
Domain ________________________
Kingdom _______________________
3. Organism 3 – only multicellular, autotrophic, aquatic, reproduces sexually, cells contain organelles
that convert light energy to chemical energy with oxygen gas as a waste product
Domain ________________________
Kingdom _____________ or _____________
4. Organism 4 – one-celled organism, all cells lack membrane bound organelles, reproduce asexually,
peptidoglycan found in cell walls
Domain ________________________
Kingdom _______________________
5. While exploring the jungles of Yucatan, you find a multicellular organism that is autotrophic and
contains cellulose in its cell walls. It lives on land.
Domain ________________________
Kingdom _______________________
6. Still exploring the jungles of Yucatan, you notice a multicellular organism growing out of a dead tree
and absorbing its nutrients as it decomposes the tree and is also fixing nitrogen. Its cells have cell
walls with chitin.
Domain ________________________
Kingdom _______________________
7. You decide to go scuba diving off the coast of Yucatan and you find a microscopic organism that
lives in the volcanic vents at the bottom of the ocean.
Domain ________________________
Kingdom _______________________
8. You find an organism that is unicellular and lives in the water. It contains membrane bound
Domain ________________________
Kingdom _______________________
9. When you get out of the water, you find a microscopic organism that lives on your skin. Its cells
have no nuclei.
Domain ________________________
Kingdom _______________________
Use the phylogenetic tree to the
following questions.
What species is most closely
to the bird?
right to answer the
genetically related
2. What species is the least closely genetically related to the bird?
Use the dichotomous key below to identify the following birds:
3. What is the name of Bird W? _______________________________________
4. What is the name of Bird X? ________________________________________
5. What is an advantage to having a universal naming system?
6. What is the genus of this organism: Dracaena marginata
7. What is an advantage to having a universal naming system?