ISB 202 Study Guide - Midterm Guide: Symmetry In Biology, Schistosomiasis, Marsupial
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QUESTION 19
Among all protostomes, which morphological trait is most varied?
type of symmetry | ||
type of body cavity | ||
number of embryonic tissues | ||
type of development |
1 points
QUESTION 20
Nematodes are acoelomate animals.
True
False
1 points
QUESTION 21
The first genetic material on Earth was probably __________.
DNA produced by reverse transcription | ||
DNA molecules whose information was transcribed to RNA | ||
protobionts | ||
self-replicating RNA molecules |
1 points
QUESTION 22
Free point. Mark "true"
True
False
1 points
QUESTION 23
Which of the following is a characteristic of a flagellate?
The use of pseudopods as feeding structures. | ||
They are often multinucleate. | ||
They can exchange genetic material with other ciliates by the process of mitosis. | ||
Most live as solitary autotrophs in fresh water. |
1 points
QUESTION 24
The chelicerates have 2 pair of antennae.
True
False
1 points
QUESTION 25
Nematoes and arthropods both _________________.
develop an anis from the blastopore formed during gastrulation | ||
are suspension feeders | ||
grow by shedding their exoskeleton | ||
have ciliated larva |
1 points
QUESTION 26
If a lung were to be found in a mollusc, where would it be located?
incurrent siphon | ||
mantle cavity | ||
visceral mass | ||
excurrent siphon |
1 points
QUESTION 27
True segmentation (metamerism) evolved 3 seperate times.
True
False
1 points
QUESTION 28
The first coelomate animals are the _______________________________.
Nematoda | ||
Platyhelminthes | ||
Mollusca | ||
Arthropoda |
1 points
QUESTION 29
Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it?
How can amino acids, simple sugars, and nucleotides be synthesized abiotically? | ||
How did RNA sequences come to carry the code for amino acid sequences? | ||
How could polymers involving lipids and/or proteins form membranes in aqueous environments? | ||
How can RNA molecules act as templates for the synthesis of complementary RNA molecules? |
1 points
QUESTION 30
The greatest number of endemic species is expected in environments that are _____.
easily reached and ecologically diverse | ||
isolated and show little ecological diversity | ||
isolated and ecologically diverse | ||
easily reached and show little ecological diversity |
1 points
QUESTION 31
A population of organisms will not evolve if _____.
all individual variation is due only to environmental factors | ||
the environment is changing at a relatively slow rate | ||
the population size is large | ||
the population lives in a habitat without competing species present |
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 |