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Mega Review Middle School Life and Nature of Science Flashcards | StudBud
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Mega Review Middle School Life and Nature of Science
Mega Review Middle School Life and Nature of Science
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Review of 6th Grade Standards
Flashcards
100 cards
F
Practice quiz
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Host live
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Questions
100
Answers
1
Viruses, bacteria, fungi, and parasites are all different infectious agents - what do these agents have in common?
They can all be spread from one organism to another.
all of these
They can all be prevented with a vaccine.
They can all be treated with an antibiotic.
2
What do red blood cells carry?
Oxygen and hemoglobin
Oxygen and lymph
Plasma and lymph
Leucocytes and plasma
3
Which consumers eat plants and meat?
Carnivores
Organisms
Herbivores
Omnivores
4
Organisms with a Nucleus and membrane bound organelles are
All Living things
Prokaryotes
Eukaryotes
All Biotic things
5
Eukaryotic cells dividing into two identical daughter cells is...
Translocation
Transpiration
Photosynthesis
Mitosis
6
White blood cells...
Help clot the blood in the circulatory system.
Fight infections with the immune system.
Contain dissolved substances in the digestive system.
Carry oxygen and contain hemaglobin for life.
7
Which TWO are roles of Decomposers?
Use sunlight to make food
Break down dead stuff
Add nutrients to soil
Make food that others eat
8
How do plants use the sun's energy?
Move water up the stem
Reproduce
Make sugar in their leaves
Make pollen in their flower
9
What are the most basic building blocks of all organisms?
organs
tissue
blood
cells
10
Which are examples of organisms in the Animalia kingdom
Poison Ivy and Poison dart frog
Snake and Venus fly trap
Venus fly trap and Poison Ivy
Poison dart frog and Snake
11
how is a spring scale included in force and motion?
none
pushing and pulling
the mass
alexis
12
In order for a living organism to sustain its life, it must be able to
move from place to place.
perform certain physiological functions.
meet less than half of its basic needs.
change its internal environment on a daily basis.
13
What do we call new species that have bad effects on the native species?
New Species
Invasive Species
Native Species
Bad Species
14
How do plants get energy?
From absorbing minerals
From breaking down food from other organisms
From using sunlight to make food
From water in their roots
15
Which is an example of a behavioral adaptation?
A bird building a nest
A shark's protective eyelids
A giraffe's long neck
An alligator's claws
16
What you do for a field study.
A group of the same kind of organism living together in an area.
Move all experiments inside.
Collecting data outside a lab/classroom
Recreate the place/environment where organisms live.
17
Why do scientists publish the results of their experiments?
so that publishers can print books on science
to make money
so that other scientists can see that they are working
so that other scientists can learn from what they did
18
How many cells are required for an Organism to be considered "alive"?
At Least one
None are REQUIRED
Enough to have Digestive & Reproductive systems
More than 100
19
12. The purpose of the __system is to prevent and attack foreign substances from entering the body in the body.
immune
endocrine
excretory
nervous
20
Which is a true statement about this food web?
The mouse gets its energy from the owl
The mouse gets its energy from plant and grasshopper
The mouse's energy goes into the toad
The mouse's energy goes into the plant
21
How can a scientific theory change?
When it's at least 100 years old.
When new evidence is found.
When scientists prove it.
When scientists get tired of it.
22
Which word describes the long lasting relationship between two organisms?
Food Chain
Adaptation
Symbiosis
Organisms
23
Which of these can an animal NOT get energy from?
Animals
Water
Insects
Plants
24
The scientific method is...
What scientists use to conduct research.
Only used to perform an experiment.
A systematic way to ask questions, hypothesis, conduct studies & conclusion
Should be used in math class to help solve problems.
25
What is the difference between prokaryotic and eukaryotic cells?
Eukaryotes have a nucleus, and prokaryotes don't.
prokaryotes have a nucleus, eukaryotes don't.
Both prokaryotes and eukaryotes have a nucleus.
Neither prokaryotes nor eukaryotes have a nucleus.
26
How do systems maintain homeostasis?
By working together
By resting
By eating
By working alone
27
What does a food chain trace through an ecosystem?
Plant life
Animal behaviors
Energy flow
Who eats who
28
Which organism collects the sun's energy?
Primary Consumer
Tertiary Consumer
Decomposer
Plant
29
In a living organism, what is an
organ
?
a group of similar cells that perform a common function
structure made of tissues that work together to perform a specific task
the shell or skin of an organism
functional unit, of all organisms; smallest unit that can carry on life
30
What are plants called?
Producers
Decomposers
Scavengers
Consumers
31
What body systems are related to taking in nutrients and expelling them from the body?
digestive
digestive and excretory
nervous and circulatory
endocrine and excretory
32
Which of the following is the most common source of energy for brain cells in humans:
glucose
proteins
pectins
nucleic acids
33
Which of the following would make the results of an experiment more reliable?
Changing the procedure
Repeated/Multiple trials
Change the hypothesis
Multiple variables
34
What two things are made by plants during photosynthesis?
Oxygen and Water
Oxygen and Food
CO2 and Food
Oxygen and CO2
35
Infectious agents vary in their size and shape. Which infectious agent tends to be the smallest?
fungi
viruses
bacteria
parasite
36
Which of the following describes how cells are specialized to keep us alive
muscle cells are long and slender so they can shorten to contract
all of these are examples of cell specialization
nerve cells are long so they can send messages
blood cells are thin so gases can move easily through them
37
Osmosis is the movement of ______ across a membrane.
Proteins
Sugars
Charged Ions
Water
38
The main function of the excretory system is to eliminate _______ from the body.
disease
oxygen
waste
energy
39
While looking at cork under a crude microscope described "great many boxes" or _______?
Bacteria
Cells
Microorgansims
Parasites
40
The human heart contains muscle cells, nerve cells, connective tissue, and epithelial tissue.
False
True
41
A scientist measures plant height with different fertilizers. Which is the dependent variable? (THE DATA=DEPENDENT)
The scientist
Plant height (cm)
The amount of fertilizer
The type of fertilizer
42
The main purpose of the system circulatory system is to distribute blood throughout the body.
False
True
43
Clear substance that holds all the contents outside of the nucleus of a cell
cytoplasm
mitochondria
cell wall
nucleus
44
Strengthens plant cell walls:
xylem
cellulose
thylakoids
mesophyll
45
Which consumers eat meat only?
Herbivores
Organisms
Carnivores
Omnivores
46
Fungi are ONLY multicellular living things.
False
True
47
The variable that is kept the same through the experiment is called a(n) _____.
Dependent Variable
Controlled Variable
Hypothesis
Independent Variable
48
How do scientific theory and scientific law differ?
A theory explains why something happens and a law describes what happens.
A theory describes a pattern and a law explains why something will happen.
A theory does not have a large body of supporting data.
Scientific theories are absolute.
49
Which of the following do viruses and fungi have in common?
There are no viruses or fungi that can cause infections in humans.
Some types of both viruses and fungi can cause infections in humans.
All viruses and fungi can be contracted by walking barefoot in damp areas
All viruses and fungi cause congestion, fever, cough, and a sore throat.
50
What factors do the kingdoms Protista, Plantae, Fungi and Animalia have in common?
They are all photosynthetic organisms
They are all multicellular organisms
They are all prokaryotes
They are all eukaryotes
51
Eukaryotic cells divide to produce two identical daughter cells in which process?
homeostasis
mitosis
meiosis
binary fission
52
Staphylococcus aureus is a type of bacterium that can cause infections in humans.
Common misconception.
Viruses can't survive without a live host bacteria can often live and grow
There is a medicine for all viruses and bacteria infections.
viruses can live anywhere for all time
53
Which factor separates the biomes from each other?
Country
Location
Trees
Climate
54
Which of these is an adaptation for a polar bear?
It is a predator
It eats fish
It plays during the day and sleeps at night
It has thick padding on its feet
55
Integumentary system and Immune system
Liver and kidneys
Bones and muscles
Heart and lungs
Skin and white blood cells
56
The circulatory and respiratory systems maintain homeostasis by moving Oxygen and CO2 in, around, and out of the body.
False
True
57
Which is the best way to get rid of invasive species?
Kill all species, native and invasive
Use chemicals to get rid of species
Bring in predators to balance the invasive species
58
When a bee pollinates a flower, they both benefit. This is called:
Mutualism
Parasitism
Commensalism
Organism
59
Plantae is multicellular.
True
False
60
What are the options organisms have if a change happens to their ecosystem?
Relocate
Make friends with enemies
Run or die
Adapt, Relocate, or Die
61
What type of tissue is composed of neurons?
muscle
nerve
epithelial
connective
62
Mitosis produces this many daughter cells
1
4
3
2
63
What is the process that plants go through to make food?
Symbiosis
Adaptation
Photosynthesis
Food Chain
64
Any characteristic that helps an organism survive in its ecosystem is called an
Symbiosis
Adaptation
Niche
Ecosystem
65
The main difference between prokaryotic and eukaryotic cells is, prokarotic cells ___ a nucleus
Do not have
Do have
66
What are the organisms that break down dead stuff?
Scavengers
Consumers
Producers
Decomposers
67
What is the main function of the digestive system?
to exchange oxygen and carbon dioxide gases
to eliminate wastes from the body
to circulate blood and nutrients throughout the body
to break down food into smaller particles
68
How is a scientific theory different than a guess?
Theory are made by scientists, guesses are by regular people
"Theory" is simply a fancier word for guess
Theories are usually longer than guesses
Theories are backed by evidence, guesses are not
69
When a tick lives off the blood of a dog, that relationship shows:
Organism
Parasitism
Mutualism
Commensalism
70
Which is an example of a behavioral adaptation that an animal might display to locate food?
Gray whales migrating to a new location
Sage-grouse performing courtship dances
Pangolins curling up into a ball
Tigers marking their territory with urine
71
What happens if new evidence is found in science?
The experiment ends and is deemed a failure
It is ignored or laughed at
The evidence is thrown away and shredded
Scientific knowledge may change and be revised
72
scientific inquiry is
data is analyzed and reported
used to explain the natural world
all of the above
hypothesis driven and evidence based
73
When an elf owl benefits by living in a cactus and the cactus is not affected, it shows:
Mutualism
Organism
Commensalism
Parasitism
74
Which plant part performs photosynthesis?
Stem
Roots
Flower
Leaves
75
Living organisms share certain characteristics. Which of the following are characteristics of living organisms?
the ability to grow and reproduce
the ability to remove wastes from their systems
the ability to maintain a stable internal environment
all of these
76
Cells, tissue, organs, organ system, ______.
Organism
Digestive System
Systems
Animal
77
In a living organism, what is a tissue?
a group of similar cells that perform a common function
a group of organs that regulates the body's responses to stimuli
the shell or skin of an organism
78
Same kind of plants, amount of light and water, & different types of fertilizer. Which is the independent variable?
type of fertilizer
same length of time
amount of light
kind of plants
79
Diffusion, osmosis, and facilitated diffusion are examples of
passive transport
active transport
80
Which system contains the heart, cardiac tissue, and cardiac cells?
Cardiovascular System
Respiratory System
Excretory System
Digestive System
81
Red blood cells carry?
Platelets
Oxygen and CO2
Muscles
82
Which of these is a learned behavior of a dog?
Wagging their tail.
Sitting down when their owner gives the command.
Breathing.
Panting on a hot day
83
Cells are made up of different types of molecules. Which of the following shows levels of organization within organisms?
cells → tissues → organs → organ systems → organism
cells → organ systems → organs → tissues → organism
cells → organs → tissues → organ systems → organism
cells → organs → organ systems → tissues → organism
84
Biologists perform controlled experiments in laboratorys to gather reliable results. A controlled experiment is one that
Takes a long time to determine the results
Cannot be repeated over and over again
Tests at least two variables at one time
Compares independent variable & control groups to test hypothesis.
85
Plantae - Unicellular or Multicellular
Multicellular
Unicellular
86
Why should scientists write down every step of their experiment?
For other scientists to exactly replicate their experiment.
So they can frame it in their office.
To show off to their teacher.
87
What are animals called?
Producers
Decomposers
Scavengers
Consumers
88
Lab experiment is conducted in an controlled setting
True
False
89
Which of these is a Decomposer?
Plant
Fungi
Snake
Grasshopper
90
Which consumers eat plants only?
Omnivores
Herbivores
Carnivores
Organisms
91
Why do scientists repeat experiments several times?
to change the variable each time
to memorize the procedures
to make sure their results are accurate
to use up all their materials
92
Can a scientific theory change?
Yes, if NEW EVIDENCE disproves all or a portion of the theory.
Yes, always.
No, never.
Yes, theories are just guesses.
93
What type of microscope is this?
light
heat
magnifying
electron
94
How does a scientific theory differ from a hypothesis:
A theory is definitely true and a hypothesis is not true.
A theory has been tested, but a hypothesis has not.
A hypothesis has been tested and a theory has not.
A theory has evidence but a hypothesis has no evidence.
95
Homeostasis refers to
a mixture or solution that is the same throughout.
the effect of natural selection on human evolution.
the tendency of a cell to maintain a stable internal environment.
the similarity of genetic traits to one another.
96
Why are invasive species overpopulating areas?
They have no natural predators
They kill all the native species
They hoard resources
97
Red blood cells carry
oxygen, carbon dioxide, and hemoglobin
nitrogen
trace gasses
argon
98
White blood cells....
carrying O2
wrestling red blood cells because they are sibling cells
fighting infections
carrying CO2
99
Tissue whose cells contraction and beating of the heart
Skeletal
Smooth
Nervous
Cardiac
100
Infectious agents, such as viruses, bacteria, and fungi, can all cause disease.
False
True
