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Bio 521 MYE Review
Bio 521 MYE Review
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Mid Year Review, college prep biology, barrington high school #bhs #midtermreview #bio521
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Answers
1
What is the difference between a community and an ecosystem?
communities are all of the living species in an area.
they mean the same thing.
ecosystem includes nonliving things like air and water.
community includes nonliving things like air and water.
2
What is the difference between passive and active transport?
all of the above
in active, molecules move against the conc. grad.
in active, molecules move from low to high conc.
active transport requires energy
3
Two things that can lead to population growth are:
birth and emmigration.
death and emmigration.
death and immigration.
birth and immigration
4
Darwin's theory of natural selection is centered around the idea that
organisms that reproduce most will survive the best
organisms that are the best predators survive the best
organisms that live the longest will survive the best..
organisms that are most fit to survive will pass on traits
5
Biodiversity is important because:
it increases invasive species
it increases the popularity of zoos
it doesn't affect climate change
it makes ecosystems more stable
6
Which of the following is in the correct order (from smallest to largest)?
biome, biosphere, community
community, biosphere, biome
community, biome, biosphere
biosphere, biome, community
7
What does the chloroplast do for plant cells?
uses sugar to make energy
uses energy to make sugar
stores water for plants
none of the above
8
EUK, PROK, ALL, or NONE: nucleus
eukaryotic
no cells
all cells
prokaryotic
9
This important event happens in the S phase of the cell cycle
DNA replication
growth
cell division
making proteins
10
Which of the following does NOT have a direct role in making and transporting proteins?
DNA
rough ER
mitochondria
ribosome
11
Why do scientists control experiments?
So that their experiments can be repeated.
To observe the effects of one variable.
To make sure the results are always the same.
To observe the effects of many variables.
12
In this type of passive transport, molecules move from high to low concentration.
pinocytosis
membrane pump
phagocytosis
diffusion
13
Scientists usually BEGIN work or experiments based on:
observations
data
theories
conclusions
14
What is the function of the nucleolus?
builds proteins
contains DNA
builds ribosomes
controls the cell
15
This is where the DNA (the plans for the cell) are stored.
nucleolus
nucleus
none of the above
nuclear membrane
16
How does ecology differ from biology?
ecology looks at the cellular level.
ecology is another word for biology
ecology looks at the molecular level.
ecology studies interactions among organisms
17
How does the adaptation shown below increases fitness?
protection from predators
allows it to metabolize food more quickly
it allows it to move more quickly through the air.
it is more attractive to other insects
18
Top predators are important to ecosystems because:
They prevent disease.
They eat cats.
they prevent overpopulation of species at lower levels
They break down dead or decaying matter.
19
Which of the following is NOT a characteristic of all living things?
they all move
they all take in and use energy
they all have DNA
they all maintain homeostasis
20
EUK, PROK, ALL, or NONE: bacteria
eukaryotic
all cells
prokaryotic
no cells
21
In this phase, the cell grows and does its normal jobs.
M
cell division
G1
prophase
22
Molecules move from high to low concentration through a membrane protein.
diffusion
facilitated diffusion
osmosis
membrane pump
23
G1, S, G2, and M are the phases of:
cell division
all of the above
cell cylce
mitosis
24
This is another term for the M phase:
cytokinesis
mitosis
cell cycle
all of the above
25
This type of passive transport is specific to the movement of water.
hydromotile transport
osmosis
diffusion
facilitated diffusion
26
EUK, PROK, ALL, or NONE: animals & plants
prokaryotic
eukaryotic
all cells
no cells
27
How do homologous structures support the idea of common descent?
organisms that live in the same environment have h. structs.
homologous structures don't support common descent
related organisms have related fossils
organisms with more similar structures share a common ances.
28
Which of the following is an example of an autotroph?
a dog
a spider plant
a mushroom
slime mold
29
Which of the following is NOT an example of passive transport?
facilitated diffusion
diffusion
osmosis
endocytosis
30
The figure below depicts this type of tree:
evolutionary
fitness
speciation
phylogenic
31
What is the variable that the experimenter changes on purpose called?
responding / independent
manipulated / dependent
manipulated / independent
responding / dependent
32
Which organisms are at the "bottom" of a food chain?
herbivores
consumers / heterotrophs
decomposers
producers / autotrophs
33
Photosynthesis and Cellular Respiration are primary parts of which biogeochemical cycle?
the carbon cycle
the water cycle
the nitrogen cycle
the phosphorous cycle
34
EUK, PROK, ALL, or NONE: cell membrane
no cells
eukaryotic
prokaryotic
all cells
35
Direction water moves when a cell is placed in a hypertonic solution
Out of the cell
Into the cell
36
When a population levels off due to limited resources, it is said to have reached
population denisty
S growth
J growth
carrying capacity
37
The source of almost all energy in the biosphere is:
the ocean
the sun
proteins
carbohydrates
38
Which of the following are found in eukaryotic cells but not prokaryotic cells?
cytoplasm
golgi apparatus
DNA
ribosome
39
Why does nitrogen have to be "fixed" in order to be taken in by organisms?
Most organisms can't use nitrogen gas from the air.
Without fixation bacteria wouldn't survive.
plants can use the gas, but animals can't.
Organisms need liquid nitrogen to survive.
40
Organisms that have unlimited resources will experience what type of growth?
P curve
J curve
none of the above
S curve
41
This is the process of cytoplasm dividing.
cytokinesis
telophase
none of the above
mitosis
42
When farmers breed a cow that produces the most milk with a strong, healthy bull, they are:
genetically modifying milk
using speciation
using artificial selection
using natural selection
43
How does the vestigial pelvic bone of the whale provide evidence for evolution?
it is no longer used
it connects them to sharks
it is a fossil
indicates that whales are related to land dwelling mammals
44
When DNA is decondensed and looks like a ball of string it is called this:
chromatid
chromosome
chromatin
chromopore
45
Which of the following help to cycle nutrients in the biosphere?
animals
decomposers
all of the above
plants
46
EUK, PROK, ALL, or NONE: ribosomes
all cells
prokaryotic
no cells
eukaryotic
47
In this type of active transport, cells get rid of very large particles
exocytosis
pinocytosis
endocytosis
phagocytosis
48
Deforestation can lead to all of the following EXCEPT:
desertification
habitat destruction
increased biodiversity
erosion
49
Exponential growth is represented by an S Curve, true or false?
False
True
50
The chromosomes attach to this structure between prophase and metaphase.
centrioles
spindle fibers
nuclear membrane
centromeres
51
The many different species of finches that Darwin observed were the result of:
descent with modification
natural selection
all of the above
speciation
52
EUK, PROK, ALL, or NONE: rocks & air
prokaryotic
no cells
all cells
eukaryotic
53
This serves as a barrier for the cell, and allows different things to move in & out of the cell
cytoplasm
nuclear membrane
cell membrane
nucleus
54
This is the process by which organisms keep their internal environment stable
metabolism
homeostasis
moderation
development
55
Which organelle destroys waste and worn out organelles?
vacuoles
endoplasmic reticulum
mitochondria
lysosomes
56
Which of the following is in the correct order (from smallest to largest)?
atom, molecule, organelle
organelle, atom, molecule
molecule, atom, organelle
atom, organelle, molecule
57
EUK, PROK, ALL, or NONE: does not have a nucleus
no cells
prokaryotic
eukaryotic
all cells
58
Which of the following is the most complex: tissue, cell, organelle, organ system, organ
organelle
tissue
organ system
cell
59
What is the study of life?
biology
science
ecology
anatomy
60
How do human activities like habitat destruction & deforestation contribute to climate change?
they put more carbon in the air and take less out.
they increase the size of the hole in the ozone layer.
they increase biodiversity.
they put less carbon in the air and take more out.
61
You suggest that not getting enough sleep is causing your grades to suffer. This is a:
hypothesis
theory
piece of data
conclusion
62
EUK, PROK, ALL, or NONE: fungus
eukaryotic
prokaryotic
all cells
no cells
63
When DNA is condensed and looks like an "X", it is called:
chromatid
chromatin
chromopore
chromosome
64
Which of the following is the highest level of organization: organism, biome, ecosystem
ecosystem
biome
organism
none of the above
65
All types of passive transport have this in common
doesn't require energy from the cell
movement OUT OF the cell
requires energy from the cell
movement INTO the cell
66
If a cell is placed in a hypertonic solution, that means the solution has ___ than the cell.
more solute
more water
less solute
equal concentration
67
This says all cells come from other cells, are the basic unit of life, and make up all life
big bang theory
central dogma
cell theory
natural selection
68
This is why cells divide instead of getting larger.
to overload DNA
to maintain a small SA: VOL ratio
to maintain a large SA: VOL ratio
So organisms can be multicellular
69
Which of the following is a nonrenewable resource?
sun
wind
water
coal
70
A group of the same type of organisms living in the same place is called a:
organism
community
organelle
population
71
Which of the following is NOT an example of a decomposer?
mushroom
bacteria
moss
fungus
72
Prophase, metaphase, anaphase, telophase are the phases of:
all of the above
cell cycle
cytokinesis
mitosis
73
An example of a density-dependent limiting factor in an ecosystem is:
tsunami
predation
fire
flood
74
Which of the following is an example of an abiotic factor in an ecosystem?
the populations living in it.
the water available.
the predators living in it.
the decomposers present.
75
In this phase, sister chromatids are pulled apart.
metaphase
telophase
prophase
anaphase
