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Life Science Final
Life Science Final
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Life Science Final
Flashcards
49 cards
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Practice quiz
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Host live
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Questions
49
Answers
1
The movement from an are of high concentration and an area of low concentration is called
mitosis
cytoplasm
active transport
diffusion
2
Which of the following is considered a scientific theory/
radioactive dating
fossil
overproduction
evolution
3
What kind of symmetry is this?
bilateral symmetry
radial symmetry
polyupial symmetry
no symmetry
4
Which is one of the body sections of an insect
legs
thorax
radula
tail
5
A structure that is found in plant cells but not animal cells
cell membrane
cell wall
nuclear envelop
nucleus
6
The region between the cell membrane and the nucleus is called the
cell membrane
cytoplasm
chlorophyll
cell wall
7
most fossils form when living things become buried in
sediment
amber
radioactive elements
ice
8
Ferns can be classified as ___________ plants
rhizoidal vacuole
seedless non-vascular
gymnosperms
seedless vascular
9
Which is true about mollusks
they are amphibians
they are arachnids
they have a mantel
the are vertebrates
10
If the body cells of an organism has 12 chromosomes how many chromosomes do the sex cells have?
3
6
12
24
11
In the genetic code, a group of three nitrogen bases codes for a specific
chromosome
amino acid
messenger RNA
hybrid
12
What is the phenotype of offspring that are hh?
wavy hair
long hair
straight hair
short hair
13
Which food is
NOT
made with bacteria
sauerkraut
yogurt
milk
vinegar
14
How are the seeds of this plant scattered
by magic
by animals
by wind
by water
15
An organisms phenotype is its
physical appearance
monopoly strategy
genetic make up
allele combination
16
a group of cells that do a similar thing form
organ systems
pupas
judgemental opinions
tissues
17
an invertebrate
is a mammal
doesn't have a backbone
has a backbone
cannot move
18
When a plant has two dominant alleles for a tall stem the alleles are written
Tt
Tf
TT
tt
19
Which has a body made up of many segments
flatworms
gummi worms
segmented worms
roundworms
20
Cells change in structure and begin to carry out specialized functions during the process of
respiration
hybridization
replication
differentiation
21
The likely hood a certain event will happen is called
probability
trial and error
22
For codominant traits, heterozygous organisms have a phenotype that shows
only the recessive allele
only the dominant allele
both alleles
a shy and vulnerable side
23
during complete metamorphosis the stage right after egg is
juvenile
nymph
pupa
larva
24
crayfish and lobsters are
mollusks
crustaceans
gastropods
insects
25
Which of the following is unicellular
butterfly
bacterium
oak tree
dog
26
What is correct about sponges
They reproduce sexually and asexually
They have only one kind of cell
They have stinging cells
Will always have your back
27
DNA and RNA are examples of
nucleic acids
proteins
lipids
carbohydrates
28
A large group of similar animals is called a(an)
phylum
click
larva
adaptation
29
They allele for smile dimples is
a dominant allele
a recessive allele
a sex-linked allele
carried on the X chromosome
30
What best describes this animal?
vertebrate
cnidarianc
no symmatrey
mammal
31
the process by which the number of chromosomes is reduced by half to form sex cells is
heredity
protein synthesis
probability
meiosis
32
What kind of symmetry does this animal have?
no symmetry
radial symmetry
medusal symmetry
bilateral symmetry
33
During the DNA replication, adenine pairs only with
thymine
guanine
lactic acid
cytosine
34
Which structures would you find inside a seed
cotyledons
petals
sponges
stomata
35
Which organelles convert food into energy the cell can use
ribosomes
vacuoles
golgi bodies
mitochondria
36
What is the probability that this couple will have a child
without
smile dimples?
2 in 4
4 in 4
1 in 4
3 in 4
37
One product of fermentation in yeast cells is
alcohol
lactic acid
oxygen
glucose
38
Which is
NOT
a function of roots
store food
absorbing water
photosynthesis
transporting minerals
39
In what organelle are most proteins made?
ribosomes
vacuole
lipids
nucleus
40
What kind of symmetry is this?
polypial symmetry
no symmetry
radial symmetry
bilateral symmetry
41
Punnet squares are useful because they show the
effects of genetic mutations
possible results of a genetic cross
actual results of a genetic cross
specialized cells
42
what kind of symmetry is this?
no symmertry
radial symmetry
medusal symmertry
bilalteral symmertry
43
an animals stomach is an example of a(n)
specialized cell
organ system
tissue
organ
44
What body shape does this animal have
weird
polyp
cylindrical
medusa
45
Carbon Dioxide enters a plant through its
centromeres
stomata
roots.
pigments.
46
Which structure directs all of a cell’s activities?
nucleus
vacuole
cytoskeleton
ribosomes
47
The shape of a birds beak is an example of
adaption
fossil
extinction
genus
48
The function of flowers is
transporting minerals
reproduction
photosynthesis
absorbing water
49
Cnidarians have two body shapes: polyp and
larva
thorax
medusa
worm