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Exam review, Fall semester
Exam review, Fall semester
30 terms
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25 Questions from the semester exam.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
All of the members of a particular species that live in one area are called a(n)
biome
population
community
ecosystem
2
The first species to colonize barren areas during primary succession is called a
pioneer species
founder species
keystone species
climax community
3
Biology is the study of
organisms
all of these are correct
life
living things
4
To what part of the factory would lysosomes be most similar?
security guard at the gate
storage facility
cleanup crew/recycling facility
steel columns & cement beams
5
Which is NOT a step in cellular respiration?
Krebs cycle
Calvin cycle
Electron Transport Chain
Glycolysis
6
An animal cell without centrioles would not be able to complete what process?
protein synthesis
cell division
photosynthesis
cellular respiration
7
The energy source that powers the
light-independent
reaction of photosynthesis is
chlorophyll
sunlight
ATP
glucose
8
A diagram that models the interconnected feeding relationships in an ecosystem is
a trophic interaction
a food chain
a food web
an ecological network
9
A hypothesis is best defined as a(n) _____.
an educated guess
well-tested explanation that explains many observations
inference
testable scientific explanation
10
Photosynthesis, burning fossil fuels, & decomposition directly cycle what nutrient?
nitrogen
carbon
phosphorous
water
11
Prokaryotic cells differ from eukaryotic cells because prokaryotes do NOT have
a cell membrane
ribosomes
chromatin (DNA)
a nucleus
12
Which scientist concluded that all plants are composed of cells?
Theodor Schwann
Matthias Schleiden
Robert Hooke
Rudolph Virchow
13
What is the ultimate source of all energy in most ecosystems?
sunlight
carbon
water
carbohydrates
14
Approximately 150,000 crickets live in a 3-acre plot of land. What is the population density of crickets?
50,000 crickets
450,000 crickets/acre
50,000 crickets/acre
450,000 crickets
15
What part of the microscope is the arrow pointing to?
coarse adjustment knob
diaphragm
objective lens
fine adjustment knob
16
A population's death rate & emigration rate increase; what will happen to its overall growth?
Growth rate will stay the same.
Growth rate will speed up.
The growth rate will exceed the carrying capacity.
Growth rate will slow down.
17
The process by which organisms keep their internal environment fairly constant is called
metabolism
adaptation
evolution
homeostasis
18
The locust in this food chain shown below is a(n)
secondary consumer
primary consumer
tertiary consumer
primary producer
19
The interaction in which an organism feeds on a primary producer is called
symbiosis
competition
predation
herbivory
20
The plant tissue that transports
glucose
from the leaves
down
to the rest of the plant is the
xylem
chlorophyll
mesophyll
phloem
21
Which global sphere includes all the rocks, mountains, soil, and magma on the earth?
atmosphere
biosphere
hydrosphere
geosphere
22
You view a specimen under a microscope using a 10x objective. What is the total magnification?
0x
20x
100x
10x
23
The _____ controls how much light that passes through the aperture of a microscope.
diaphragm
stage
objective
adjustment knob
24
Which letter is pointing to the mesophyll of the leaf?
D
A
C
B
25
What structures make proteins and can be found floating in the cytoplasm or attached to the ER?
vesicles
ribosomes
mitochondria
lysosomes
26
What does the root word "troph" mean?
a body
food/nourishment/energy
sunlight
eating
27
The cell membrane in the picture is permeable to water. In which direction will water flow?
into the cell
out of the cell
water doesn't flow
equally in both directions
28
Complete the analogy --> Cellular Respiration : ATP :: Photosynthesis : ____
carbon dioxide
oxygen
water
glucose
29
The variable that the scientist is purposely changing (or manipulating) in an experiment is the ___ variable.
independent
controlled
dependent
responding
30
What do muscle cells make in the process of fermentation?
NADPH
ethanol & CO2
glucose
lactic acid