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Life Science Review
Life Science Review
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Review key concepts learned this year in 7th grade Life Science
Flashcards
50 cards
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Practice quiz
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Host live
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Questions
50
Answers
1
The most specific level of classification is
kingdom
species
genus
domain
2
The nucleus of a cell can be compared to a
Rock
Brain
Sponge
Battery
3
What is Scientific Inquiry?
Refers to diverse ways in which scientist study the natural world
A experiment that follows scientific principles
Modeling ways of getting scientific knowledge
A scientific question
4
Which of the following correctly lists the levels of organization in a multicellular organism?
organ system - organ - tissue - cell - organism
cell - tissue - organ - organ system - organism
tissue - organ - cell- organ system - organism
cell - organ - organ system - organism - tissue
5
PUMAS stands for
Pour Under My Arm Some Salt
Positive United Mindful Academic School Spirited
Please Use More Apples Sir Stanley
Plant Umbrellas Mine Are So Soggy
6
What two levels of classification are used for scientific naming?
genus, species
phylum, class
family, order
kingdom, species
7
I wish we were at school because I miss my friends
TRUE!
No way! I love being quarantined
8
Producer, Consumer, or Decomposer?
Decomposer
Producer
Consumer
9
How does a food web differ from a food chain?
a food web includes only producers and consumers
a food web shows that 1 animal might be eaten by many animals
a food chain contains only organisms of the same species
a food web shows how energy is released
10
The following organism belongs to which domain?
Protista
Eukarya
Archaea
Bacteria
11
What are some things that scientist use as evidence for evolution ?
DNA
all of the above
Fossils
Similar body structures
12
Name a possible food chain.
all of the above
leave, grasshopper, snake, hawk, death and decay
leave, grasshopper, frog, snake, death and decay
leave, grasshopper, frog, snake, hawk, death and decay
13
What does a food chain show?
the flow of water through an environment
the flow of food between animals
the flow of food between decomposers
the flow of energy as is passes from 1 organism to the next
14
Producer, Consumer, or Decomposer?
Consumer
Decomposer
Producer
15
Producer, Consumer, or Decomposer?
Producer
Consumer
Decomposer
16
Biotic or Abiotic?
Biotic
Abiotic
17
Which domain does this cat belong to?
Archaea
Eukarya
Animals
Prokaryotes
18
What is classification?
Giving names to groups of animals
Grouping organisms together based on their similarities
Giving each species a scientific name
Giving names to groups of plants
19
Name the producer in this food chain.
large fish
water plant
bird
small fish
20
Competition, predation, and symbiosis are
a fight between two organisms
the struggle between organisms to survive
major types of interactions among organisms.
when species occupy the same niche
21
What is the difference between Genotype and Phenotype?
Diploid vs Haploid
Alleles vs Appearance
Mitosis vs Meiosis
23 vs 46
22
What is Cellular Respiration ?
None of the above
Breathing
Process that breaks down dead organisms
Process that uses oxygen to release energy from food.
23
Where is there the most available energy in an energy pyramid?
Top
Middle
Bottom
Neither
24
Natural Selection is affected by
all of the above
overproduction
variations
competition
25
The genetic code of an organism is determined by
the number of amino acids in its cell
the shape of ribosomes in its cell
the speed at which proteins are made
the order of nitrogen bases in its DNA
26
What provides all of the energy in an energy pyramid?
decomposers
sun
producers
consumers
27
What does C-E-R stand for?
Coronavirus Eats Rats
Clean Every Room
Claim Evidence Reasoning
Cities Eagerly Reopen
28
Food chains and food webs start with the sun.
True
False
29
Which genotype below will give you a recessive phenotype?
dd
Dd
dD
DD
30
What is a mutation?
A change from red blood cells to white ones
A change in the brain or specialized cell
A change in the genetic material, or DNA
Happens when antigen and antibodies combine to make a virus
31
Which of these is NOT evidence of evolution?
Similar DNA and proteins
Similarities in early development
Osmosis
Homologous structures
32
What is Genetics?
The study of organisms in th environment
The study of how traits are inherited
The study of how we think
The study of how a cell works
33
Which one of these is NOT a domain?
Archaea
Eukarya
Bacteria
Animalia
34
School closed in March because of
Total eclipse of the Sun
The Earth is flat
Ebola
Coronavirus
35
What percentage of plants will have the dominant trait?
75%
25%
50%
100%
36
The mitochondria provides energy for the cell.
True
False
37
Biotic or Abiotic?
Abiotic
Biotic
38
The process BEST represented by this diagram is
Photosynthesis
Natural Selection
Gardening
Cellular Respiration
39
Which level is the broadest level of classification?
Species
Genus
Kingdom
Domain
40
PLANT OR ANIMAL CELL?
PLANT cell
ANIMAL cell
41
PLANT OR ANIMAL CELL?
PLANT cell
ANIMAL cell
42
Different forms of a gene are called
Punnett Square
Alleles
Traits
Heredity
43
How could you tell if this is a plant or an animal cell?
there´s no way to tell
look for the chloroplasts, plant cells have those
look for the mitochondria, animal cells have those
look for the nucleus, you could tell by looking at that
44
Cells in multicellular organisms are exactly the same and have the same function.
True
False
45
What does a plant cell have that an animal does not?
nucleus
cell membrane
vacuole
cell wall
46
Mesa's mascot is the
Panther
Mountain Lion
Puma
Cougar
47
Charles Darwin
discovered genetics
developed Tesla
walked on the moon
studied evolution by means of natural selection
48
What is biodiversity?
The variety of life that can be found on earth.
The concentration of toxins in an organism.
Study of animal behavior
The regions of the Earth
49
Where is there the least available energy in an energy pyramid?
Bottom
Top
Middle
Corner
50
Natural Selection is
the best adapted organisms survive and reproduce
when farmers breed pigeons
when only the weak survive
only with animals, not plants
