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Unit 1 - Life traits, scientific methods, and cells Flashcards | StudBud
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Unit 1 - Life traits, scientific methods, and cells
Unit 1 - Life traits, scientific methods, and cells
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#review of #life traits, #scientific methods and #cells
Flashcards
35 cards
F
Practice quiz
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Host live
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Questions
35
Answers
1
A trait that helps an organism survive in it's environment is called ___.
a lucky trait
a response
a mutation
an adaptation
2
What cell part is A & B together?
Eukaryotic
nucleus
DNA
nucleolus
3
Cell part that cushions all other cell organelles
ribosome
chloroplast
cytoplasm
lysosome
4
______ are true cells. They have a nucleus and other membrane bound organelles.
Eukaryotes
Prokaryotes
Viruses
Bacteria
5
What is structure F?
nuclear membrane
cytoplasm
cell membrane
cell wall
6
An attempt to explain or interpret observations is known as a/an ___?
hypothesis
results
conclusions
inferences
7
Cells that lack a nucleus or other membrane bound organelles are known as ____.
Prokaryotes
Eukaryotes
Plant cells
Animal cells
8
Use of senses along with instruments to gather data.
conclusions
results
inferences
observations
9
Which trait of life is not shown by the virus?
Adaptation
Organization
Cells
Nucleic acid
10
What general shape describes a plant cell?
oval
triangular
boxy or angular
circular
11
Which trait of life listed does a virus display?
adaptation
cells
energy use
reproduction
12
What is structure D?
cytoplasm
mitochondrion
vacuole
chloroplast
13
Which jar represents the control group in this experiment?
jar in the middle
jar on the left
the meat in the jar
jar on the right
14
What is structure E?
cell wall
Chloroplast
cytoplasm
cell membrane
15
What general shape describes animal cells?
triangular
angular
rounded
oval
16
gives plants green color and aids in energy transfer
chloroplast
centriole
cytoplasm
cell wall
17
Controls movement of materials in & out of cells
cell membrane
cell wall
nucleus
centriole
18
Which of the following is not a characteristic of life?
reproduction
cells
movement
growth and development
19
What is the simplest organizational level of a living thing?
system
cell
atom
tissue
20
Cell part that stores food, water or waste
vacuole
endoplasmic reticulum
mitochondrion
nucleus
21
An _________ is a structure in a cell surrounded by a membrane.
organelle
organ
atom
nucleus
22
The process by which an organism becomes a mature adult is known as ___.
metabolism
growth
reproduction
development
23
The variable that is tested in an experiment is ___.
controlled
independent
random
dependent
24
A hypothesis ___.
is a random guess
is a theory
must be testable
must always be proven true
25
Which of the following is an example of a stimulus?
music playing at the end of the period
shivering out in the cold
spiking a fever while ill
increasing pulse rate after exercise
26
Select the independent variable based on the image of an experiment.
plant growth
position of the stem
position of the light
direction of plant growth
27
What is structure G ?
vacuole
cytoplasm
golgi complex
nothing
28
Protects the cell & gives support. Not found in animal cells.
cell membrane
cell wall
nuclear membrane
nucleus
29
Structure called the control center of cell, contains DNA of cell is the ___.
ribosome
nucleolus
nucleus
mitochondrion
30
The variable that is measured in an experiment is called ___.
control
constant
independent variable
dependent variable
31
A "control group" lacks the ___ variable.
constant
controlled
dependent
independent
32
Production of a new organism like the parent is known as ____.
metabolism
growth
reproduction
development
33
What is structure C ?
vacuole
chloroplast
nucelus
cytoplasm
34
Which statement is
not true
of prokaryotic cells?
lack membrane bound organelles
nucleic acid is stored in an organelle
size range is 1-10 um
can be round, rod-like or spiral in shape
35
Organisms can maintain stable internal conditions even when environment changes, known as ___.
metabolism
homeostasis
adaptation
organization
