Transcript Unit One Review Questions - Effingham County Schools

UNIT 1 Vocabulary
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Cell
Asexual reproduction
DNA
Hypothesis
Homeostasis
Theory
Controlled experiment
Scientific method
Classification
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Taxonomy
Variable
Dichotomous key
Bacteria
Binary Fission
Diffusion
Osmosis
Prokaryotic Cells
Smallest unit of life that contains
all the materials necessary for
life.
• Cells
The genetic material found in all
living organisms
• DNA
The ability for all living things to
maintain a stable internal
environment is called
• Homeostasis
An experiment that tests only one
variable at a time
• Controlled experiment
The arrangement of organisms
into orderly groups based on their
similarities
• Classification
The factor in a controlled
experiment that can change
• Variable
The smallest and simplest
organisms on the planet
• bacteria
The tendency of molecules to
move from an area of high
concentration to an area of low
concentration
• Diffusion
A single parent produces
offspring that are identical to the
parent.
• Asexual reproduction
A hypothesis that has been
supported by lots of evidence and
experiments
• Theory
The diffusion of water molecules
from an area of high
concentration to low
concentration
Osmosis
A series of steps a scientist uses
to answer or solve a problem
• Scientific method
Tool used to identify unknown
organisms
Dichotomous Key
A cell with no nucleus
Example: Bacteria
• Prokaryotic cell
A possible explanation or answer
to a scientific question
• hypothesis
Type of asexual reproduction
used by bacteria, one cell splits
into two.
• Binary Fission
The science of identifying,
classifying, and naming living
organisms
• Taxonomy
Found in all cells of living
organisms, and contains the
blueprint of life.
• DNA
The movement of molecules
from an area of high
concentration to an area of low
concentration.
• Diffusion
Now it will get a bit harder…
I will give you only two or three
words and you will need to give
me the vocabulary word they
define.
Vocabulary
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Cell
Asexual reproduction
DNA
Hypothesis
Homeostasis
Theory
Controlled experiment
Scientific method
Classification
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Taxonomy
Variable
Dichotomous key
Bacteria
Binary Fission
Diffusion
Osmosis
Prokaryotic Cells
Steps scientist take
Scientific Method
Smallest unit of life
Cells
Possible explanation
Hypothesis
Supported by Evidence
Theory
Genetic Material
DNA
No nucleus
Prokaryotic Cell
Identify, classify, naming
Taxonomy
Stable, internal, environment
Homeostasis
Cell Division, asexual
Binary Fission
Grouping by similarities
Classification
Diffusion of Water
Osmosis
Molecules, High to low
Diffusion
Tool to identify
Dichotomous key
One parent, identical
Asexual reproduction
Factor that changes
Variable
Now a bit harder…. I will show
you a picture.. What word does it
describe?
Dichotomous Key
Diffusion
Binary Fission
DNA
Cells (building blocks of Life)
Taxonomy
Scientific Method
Prokaryotic Cell
Osmosis
Homeostasis
Bacteria Review
Which of these characteristics
describe bacteria?
a)
b)
c)
d)
e)
Unicellular
No Nucleus
Has a cell Wall
Reproduces asexually
All of the above
This Bacteria cell is reproducing
by which method?
Asexual reproduction- ONE
parent
Binary Fission
An organism made up of only
one cell is called?
Unicellular Organism
What are the two kingdoms of
bacteria?
Archaebacteria
Eubacteria
A cell with no nucleus is called
___________
Prokaryotic cell- NO NUCLEUS!
The genetic material found in all
living organisms is called _____.
Blue print of Life
DNA
The building blocks of Life, also
contains all materials necessary
for life.
Smallest unit of Life
Cells
Bacteria can move using a long
whip-like tail called a _______
Flagella
What tool can scientist use to
identify organisms?
Dichotomous Key
After forming a hypothesis, a
scientist can….
Set up a controlled experiment
Name an organism that
reproduces by binary fission.
E-coli, streptococcus, halophiles,
methanogens, thermophiles
Transport in which molecules
move from a LOW concentration
to an area of High concentration.
Active Transport
The diffusion of water is called
_________.
Osmosis
The ability to maintain a stable
internal environment is called
___________.
Homeostasis
Name the 4 eukaryotic kingdoms
Plants, Protist, Animal, Fungi
• They all HAVE nuclei in their cells.
What did Carleus Linneaus do?
Came up with the science of
Taxonomy.
Which of the following is NOT a
characteristic of all living things
a)Obtain and use energy
b) Reproduce either sexually or asexually
c) Respond to stimuli in their environment
d) Adapt to changes in the environment
e) Move to obtain their food and water
f) Are unicellular or multicellular
NOT a Characteristic
e) Move to obtain their food and water
An organism that can make its
own food using energy from the
sun is called
• Producer or Autotroph
An organism that breaks down
the remains of dead organisms
• Decomposer
What shape is the bacteria
below?
Baccilli
What shape is this bacteria?
Spirilla
What process of active transport
is occurring below?
Endocytosis
What is the arrow pointing to?
Flagellum
What is the arrow pointing to?
DNA
Which of the following is a
decomposer?
A
B
C
Name The Kingdom
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ARCHAEBACTERIA
Unicellular
No nucleus
Has a cell wall
Decomposer
Lives in a salty environment
Name The Kingdom
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Plant
Multicellular
Autotroph
Has a cell wall
Has a chloroplast for photosynthesis
Ex: Rose Bush
Name The Kingdom
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Multicellular
Heterotroph
No cell Wall
Very complex
Animal
Name the Kingdom
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Unicellular
No Nucleus
Asexual Reproduction
Found Everywhere
Example: E. coli
Eubacteria
Multiple Choice
Carlous Lineaus is given credit for
a) Discovering the cell
b) Coming up with a way to classify and
name organisms
c) Inventing the microscope
d) First using a dichotomous key
Which of the following best
describes bacteria?
a)
b)
c)
d)
Single-celled, have a nuclei
Single-celled, do not have a nuclei
Multi-celled, have a nuclei
Multi-celled, have no nuclei
______ feed on dead matter and
recycle nutrients back into the soil.
a)
b)
c)
d)
Producers
Consumers
Aerobes
decomposer
The three main types of
archaebacteria are
a)
b)
c)
d)
methane-makers, salt lovers, heat lovers
Soil lovers, oxygen lovers, water lovers
Multicellular, Unicellular, Prokaryotic
Eukaryotic, Prokaryotic, Unicellular
Which of the following requires no
energy from the cell?
a)
b)
c)
d)
Osmosis
Endocytosis
Exocytosis
None of these
Which of the following in NOT a
common shape of bacteria?
a)
b)
c)
d)
Spherical
Spiral
Cubic
Rod-shaped
Which of the following would use
binary fission to reproduce?
A
B
C
D
What type of reproduction is being
shown in the picture?
A)
B)
C)
D)
Binary Fission
Sexual Reproduction
Asexual Reproduction
Fragentation
At which point in conducting a
controlled experiment should a
conclusion be drawn?
A) As soon as the procedure is planned
B) As the variables are selected
C) Once the hypothesis is developed
D) After the data is obtained and analyzed
A student wanted to look at plant growth in five
different soil samples. He planted the same type
of seeds in identical containers and left them
together in full sunlight. He gave each plant the
same amount of water and charted the growth of
each plant stem. What is being tested in this
experiment?
A) Which soil type helped plants grow best?
B) How much light do plants need?
C) Which container do plants grow best in?
D) Do plants need to start from seeds?
The scientific name for the common
house cat is Felis domesticus. What
is its species name?
A) Felis
B) Domesticus
C) Cat
D) None of the above
Which question cannot be answered
scientifically because the quantity
cannot actually be measured?
a) How happy is a chimpanzee when it
finds it’s food?
b) How fast can a swallow-tailed butterfly
fly?
c) How heavy is a mature female elephant?
d) How much food can a water buffalo
consume in one day?
A biology class in Virginia conducted a survey
of the plant species found on their school
grounds. They found several plants that they
didn’t recognize. What resources would be
most helpful to the class in identifying the
plants species?
a)
b)
c)
d)
A book about Virginia plant adaptations
A biology book
A dichotomous key on Virginia plant species
Local Home and Garden Newspaper
Articles.
A prediction was made that the best
conditions for earthworm growth occur when
there are fewer than five earthworms per
cubic meter of soil. This prediction is called a
A) Law
B) Theory
C) Hypothesis
D) Conclusion
18. Single-celled organisms can reproduce and
create cells exactly like themselves without
combining genes from two different parent cells.
When they do this, they use a type of
a.
asexual reproduction.
b.
gamete formation.
c.
natural selection.
d.
sexual reproduction.
The tendency of molecules to move
from an area of High concentatrion
to an area of Low concentration,
________________.
A) endocytosis
B) Exocytosis
C) Mitosis
D) Diffusion