A mushroom and a humpback whale are alike because both are —
A. motile C. prokaryotic
B. heterotrophic D. unicellular
B. heterotrophic
100
Which reactions in the list below are associated with metabolism?
(A) cellular reactions that release energy
(B) photosynthetic reactions that store energy
(C) muscle reactions that use energy
1. A and B, only
2. B and C, only
3. C and A, only
4. A, B, and C
4. A, B, and C
100
A dichotomous key is used to:
a. locate an organism
b. identify an organism
c. divide a kingdom
d. interbreed species
b. identify an organism
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 branch of the Life Sciences is primarily concerned with the naming of species?
a. taxonomy
b. zoology
c. synonomy
d. phylogeny
a. taxonomy
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
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
A branching treelike diagram used to illustrate evolutionary relationships among organisms
What is a cladogram?
200
A change in an organism’s surroundings that causes it to react is called
a. a response.
b. a stimulus.
c. energy.
d. development.
b. a stimulus.
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
Which of the following characteristics of living things is very important for a group or organisms, but not a single organism?
A Living things respond to their environment.
B Living things maintain internal balance.
C Living things are made up of units called cells.
D Living things reproduce
D Living things reproduce
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
A series of pairs of phrases or descriptions which are used to classify a group of living things by making choices between the sets of traits and characters described in each pair
What is a dichotomous key?
300
The system of naming organisms developed by
Carolus Linnaeus is called
a. binomial nomenclature
b. taxonomy
c. dichotomous nomenclature
d. classification
a. binomial nomenclature
400
The process by which a cell releases energy from food molecules.
What is cellular respiration?
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
Organisms are grouped into a five-kingdom classification system based on their structure and their
a. common ancestory
b. habitat
c. food preferences
d. social behavior
a. common ancestory
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
When the human body is responding to stress, the hormone adrenaline is released. A short time later, the body returns to normal. This is an example of how a human
a. reacts to an antibody
b. develops genetic variation in body cells
c. maintains cellular organization
d. maintains dynamic equilibrium