BIOL 1002 Lecture Notes - Lecture 19: Monera, Eukaryote, Plant
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QUESTION 1
The âCambrian Explosionâ describes the relatively sudden appearance of __________ in the fossil record in the Cambrian.
Metazoans | ||
Eukaryotes | ||
Algae | ||
Cephalopods | ||
Chocolate |
0.5 points
QUESTION 2
Poriferans lack:
Extracellular matrix | ||
Organs | ||
Choanocytes | ||
Nuclei |
0.5 points
QUESTION 3
Which of the following has no terrestrial species?
Brachiopoda | ||
Nematoda | ||
Mollusca | ||
Arthropoda |
0.5 points
QUESTION 4
The metazoan phylum with the greatest diversity (i.e., number of species) today is:
Arthropoda. | ||
Annelida. | ||
Cnidaria. | ||
Mollusca. |
0.5 points
QUESTION 5
Segmentation is a feature of:
Cnidarians | ||
Platyhelminthes | ||
Nematodes | ||
Annelids |
0.5 points
QUESTION 6
A coelom is:
Fun for the whole family. | ||
A fluid-filled body cavity forming within the mesoderm. | ||
A stinging cell found in cnidarians. | ||
A characteristic of flatworms. | ||
A fluid-filled body cavity between the mesoderm and endoderm. |
0.5 points
QUESTION 7
How old is the earliest fossil evidence of life?
3.8 Ma | ||
3.8 Ga | ||
1.8 Ga | ||
543 Ma |
0.5 points
QUESTION 8
Which of the following is found only in bilaterians?
Mesoderm | ||
Choanocytes | ||
Radial symmetry | ||
Gastrulation | ||
Nougat |
0.5 points
QUESTION 9
Which of the following is not an explanation put forward for the Cambrian Explosion?
Oxygen increase | ||
Revolution in substrate use | ||
Predation | ||
Global warming |
0.5 points
QUESTION 10
Cnidarians are distinct from other animals in having:
A can-do attitude | ||
Nematocysts | ||
Chitin | ||
Collagen | ||
Bilateral symmetry |
0.5 points
QUESTION 11
Which of the following is a group within Platyhelminthes?
Insecta | ||
Velveeta | ||
Bivalvia | ||
Cestoda | ||
Hydrozoa |
0.5 points
QUESTION 12
Of Fungi, Metazoa, and Plantae, which two are thought to be more closely related to each other than they are to the third?
Metazoa and Plantae | ||
Fungi and Plantae | ||
Fungi and Metazoa |
0.5 points
QUESTION 13
The Cryogenian is a period of the Proterozoic characterized by:
Low self esteem | ||
Earliest fossils of life | ||
Cooling and glaciation | ||
Sudden appearance of fossils with hard parts | ||
Increase in oxygen |
0.5 points
QUESTION 14
Which of the following is thought not to have been abundant in the environment of the early Earth when life originated?
Oxygen | ||
Nitrogen | ||
Methane | ||
Water |
0.5 points
QUESTION 15
Of Archaea, Bacteria, and Eukarya, which two are thought to be more closely related to each other than they are to the third?
Bacteria and Eukarya | ||
Archaea and Bacteria | ||
Archaea and Eukarya |
0.5 points
QUESTION 16
The increase in oxygen that occurred around 2.3 Ga is referred to as:
The Snowball Earth | ||
The Permian Extinction | ||
The Cambrian Explosion | ||
The Great Oxidation Event | ||
Friday |
0.5 points
QUESTION 17
A lophophore is:
A feeding structure found in brachiopods and bryozoans. | ||
A reproductive structure found in annelids and molluscs. | ||
A photoautotroph. | ||
Available at Targetâ¢. | ||
Absent in all lophotrochozoans. |
0.5 points
QUESTION 18
One of the main divisions of protostomes is:
Electronica | ||
Cnidaria | ||
Eukarya | ||
Lophotrochozoa | ||
Deuterostomia |
0.5 points
QUESTION 19
If, as some studies have suggested, Ctenophora is the sister-taxon to other metazoans, this would imply that:
Poriferans are not animals. | ||
Cnidarians are not monophyletic. | ||
We are all hosed. | ||
Nervous systems evolved more than once, or were lost by Porifera. | ||
Ctenophorans are cnidarians. |
0.5 points
QUESTION 20
The chambered shells of fossil cephalopods contribute to:
Feeding. | ||
The Red Cross. | ||
Respiration. | ||
Control of buoyancy. | ||
Propulsion. |
It's a quiz for my life science class.
QUESTION 1
Organisms that have descended from the same initial group and have the ability to interbreed belong to the same
A. | species. | |
B. | family. | |
C. | class. | |
D. | genus. | |
E. | order. |
5 points
QUESTION 2
The simplest entity that exhibits all of the properties of life is called a(n)
A. | molecule. | |
B. | cell. | |
C. | organism. | |
D. | tissue. |
5 points
QUESTION 3
In populations, adaptation usually arises through
A. | responsiveness. | |
B. | heredity. | |
C. | metabolism. | |
D. | natural selection. | |
E. | development. |
5 points
QUESTION 4
Scientists have found that ancient fossils
A. | are less similar to present-day organisms than more recent fossils. | |
B. | are just as similar to present-day organisms as more recent fossils. | |
C. | are more similar to present-day organisms than more recent fossils. | |
D. | are very similar to present-day organisms. | |
E. | bear no resemblance to present-day organisms. |
5 points
QUESTION 5
What is the term that describes the study of the relationship between living things and components of their environment?
A. | herpetology | |
B. | analogy | |
C. | zoology | |
D. | ecology | |
E. | ichnology |
5 points
QUESTION 6
Characteristics usually associated with life include all of the following except:
A. | motility. | |
B. | a high degree of organization. | |
C. | lack of change from generation to generation. | |
D. | reproduction. | |
E. | responsiveness to stimuli. |
5 points
QUESTION 7
The scientific name for the black-footed ferret is Mustela nigripes. The name Mustela indicates the _____________________ to which the organisms belongs.
A. | phylum | |
B. | class | |
C. | family | |
D. | species | |
E. | genus |
5 points
QUESTION 8
Which of the following is considered to be the most basic living unit?
A. | organ system | |
B. | molecule | |
C. | organelle | |
D. | cell | |
E. | tissue |
5 points
QUESTION 9
Which of the following concepts best describes the wide variety of dog species we observe, ranging from the domesticated golden retriever or the basset hound, to the wild dogs of Africa, to foxes?
A. | preadaptation | |
B. | special creation | |
C. | inheritance of acquired characteristics. | |
D. | taxonomy | |
E. | evolution |
5 points
QUESTION 10
If an ecologist is studying the cycling of carbon through a particular environment (which involes the movement of carbon through living things as well as through rock, air, and water), the scientist is studying at what level of ecology?
A. | organismal | |
B. | community | |
C. | ecosystem | |
D. | population | |
E. | biosphere |
5 points
QUESTION 11
Which list is organized from smallest to largest level of organization of life?
A. | organisms, organ systems, organs, tissues, cells, organelles | |
B. | organelles, cells, tissues, organs, organ systems, organisms | |
C. | organelles, tissues, cells, organ systems, organs, organisms | |
D. | tissues, cells, organelles, organs, organ systems, organisms | |
E. | cells, tissues, organ systems, organelles, organs, organisms |
5 points
QUESTION 12
When examining the hierarchy of life, which of the following terms is most inclusive?
A. | biosphere | |
B. | population | |
C. | species | |
D. | ecosystem |
5 points
QUESTION 13
The units of inheritance are
A. | evolutions. | |
B. | heredities. | |
C. | genes | |
D. | twins. | |
E. | metabolic activities. |
5 points
QUESTION 14
Organisms that undergo asexual reproduction
A. | require another organism to reproduce. | |
B. | are usually very complex. | |
C. | produce offspring that are different from each other. | |
D. | do not require energy to reproduce. | |
E. | produce offspring that are identical to each other and to the parent. |
5 points
QUESTION 15
All the living organisms in a particular area at a particular time make up a
A. | biosphere. | |
B. | community. | |
C. | biosystem. | |
D. | population. | |
E. | ecosystem. |
5 points
QUESTION 16
The first step in the scientific method is to
A. | identify a problem. | |
B. | predict the results of an experiment. | |
C. | propose a solution. | |
D. | draw a conclusion. | |
E. | perform an experiment. |
5 points
QUESTION 17
Young multicelled organisms usually start out small, then grow in size, and increase in complexity. This process is called:
A. | heredity. | |
B. | metabolism. | |
C. | development. | |
D. | evolution. | |
E. | heredity. |
5 points
QUESTION 18
To maintain order within their cells and organs, all living things must
A. | carry on metabolism. | |
B. | reproduce. | |
C. | constantly change. | |
D. | be able to move. | |
E. | extract energy from sunlight. |
5 points
QUESTION 19
Which of the following includes Highest levels of hierarchy?
A. | family | |
B. | phylum | |
C. | domain | |
D. | kingdom | |
E. | order |
5 points
QUESTION 20
Fungi are classified into which domain?
A. | Archaea | |
B. | Eukarya | |
C. | Bacteria | |
D. | Fungi |