A mushroom and a humpback whale are alike because both are —
A. motile C. prokaryotic
B. heterotrophic D. unicellular
B. heterotrophic
100
A runner eats a large pasta dinner the night before a big race. In this example, which characteristics of life is the runner using to help her win the race?
A. digestion C. sensitivity
B. homeostasis D. metabolism
D. metabolism
100
Which species is most closely related to species B? Refer to diagram 1
A. C C. F
B. D D. I
C. F
100
Why do scientist find it useful to use a classification system to group organisms?
A. easier to learn about them
B. help avoid duplication of names
C. organizes all information
D. all of the above
D. all of the above
100
Which is a structure that performs a specialized function within a cell?
A. organ
B. organ system
C. organelle
D. tissue
C. organelle
200
Which of the following is NOT a characteristic of all living things?
A. growth and development C. response to the environment
B. ability to communicate D. ability to reproduce
B. ability to communicate
200
A(n) ____________ is a group of different tissues that work together to perform a certain function.
A. organ system C. cell
B. organ D. organelle
B. organ
200
Refer to diagram 2, If an organism is unicellular, has a cell wall made of chitin, and is a heterotroph, to which kingdom does it belong?
A. Protista C. Plantae
B. Animalia D. Fungi
D. Fungi
200
Examine the cladogram (Diagram 4)
Based on the cladogram, which describes the difference between ferns and flowering plants?
A. Ferns have seeds and flowering plants do not.
B. Flowering plants have seeds and ferns do not.
C. Ferns contain vascular tissue and flowering plants do not.
D. Flowering plants undergo photosynthesis and ferns do not.
B. Flowering plants have seeds and ferns do not.
200
Which is true regarding prokaryotic cells and eukaryotic cells?
A. All unicellular organisms have eukaryotic cells.
B. All unicellular organisms have prokaryotic cells.
C. All multicellular organisms have eukaryotic cells.
D. All multicellular organisms have both prokaryotic cells and eukaryotic cells.
C. All multicellular organisms have eukaryotic cells.
300
What of the following characteristics of living things best explains why birds fly south for the winter?
A: Living things respond to their environment
B: Living things maintain internal balance
C: Living things are made up of units called cells.
A: Living things respond to their environment
300
How do molecules differ from atoms?
A. Atoms occur naturally, where as molecules do not.
B. Atoms are individual particles, where as molecules are combinations of atoms.
C. They are many different types if atoms but only a few different types of molecules.
D. Atoms are found in living things, but molecules are found in nonliving things.
B. Atoms are individual particles, where as molecules are combinations of atoms.
300
Which set of taxonomic categories is ordered from largest to smallest?
a. species, genus, order, class
b. class, order, phylum, species
c. genus, family, class, kingdom
d. kingdom, class, family, genus
d. kingdom, class, family, genus
300
The diagram 5 indicates that a common ancestor for species C and E is species
A. F
B. G.
C. H.
D. K.
D. K.
300
Refer to the following phylogenetic tree (diagram 6). Which letter represents the most recent common ancestor of organisms 2 and 4?
A. letter A C. letter C
B. letter B D. letter D
B. letter B
400
Which sequence represents the correct order of levels of organization found in a complex organism?
A. cells → organelles → organs → organ system → tissues
B. organelles → cells → tissues → organs → organ system
C. tissues → organs → organ system → organelles → cells
D. cells→ organs → organ system→ cells tissues → organelles
B. organelles → cells → tissues → organs → organ system
400
The scientific name for the cougar is Puma concolor. Which of the following organisms is most closely related to the cougar?
A. Puma yagouaroundi
B. Corythaixoides concolor
C. Lynx rufus
D. Panthera tigris
A. Puma yagouaroundi
400
An important feature of modern classification systems is that they
A. apply only to organisms that are alive today
B. can incorporate new scientific discoveries
C. group organisms that live in the same habitat
D. can predict the discovery of new species
B. can incorporate new scientific discoveries
400
Which of the following is the correct way to write a scientific name?
A. Ursus arctos
B. Ursus Arctos
C. Ursus arctos (italicized)
D. Ursus Arctos
C. Ursus arctos
500
Which of the following is an example of how organisms maintain homeostasis?
A. a damaged skin cell dividing into two newer skin cells
B. a human shivering in cold weather.
C. a crow learning to retrieve a food reward in a laboratory experiment.
D. finches in the Galapagos developing different types of beaks.
B. a human shivering in cold weather.
500
Organism A is a single cell organism and Organism B is a bird, what can you say about organism A & B?
A. Organism A contains tissues and organs while organism B lacks these structures.
B. Organism A and B have the same organs to perform their life functions.
C. Organism A and organism B both have structures that help them stay alive.
D. Organism A lacks the structures that aid survival, while organism B has them.
C. Organism A and organism B both have structures that help them stay alive.
500
The classification levels of three organisms are listed in the following chart (diagram 3).
Classification of Cats
Which statement describes the relationship among the organisms in the chart?
A. House cats and lions belong to the same species.
B. House cats are more closely related to lions than to tigers.
C. House cats, lions, and tigers belong to the same class and family.
D. House cats and tigers belong to the same genus but to different orders.
C. House cats, lions, and tigers belong to the same class and family.
500
Which kingdoms have photosynthetic organisms?
A. fungi and plants
B. Fungi and protists
C. protists and plants
D. Plants and animals
C. protists and plants
500
following experiments, define the (IV) independent variable, (DV) dependent variable, (SV) standardizing variables and (CG) control group.
1) Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week.
IV ________________________________________________
DV _______________________________________________
SV _______________________________________________
CG _______________________________________________
IV = Humidity levels
DV = height of the trees
SV = type of tres, and 12 weeks
CG = tree left outside in normal conditions