Ideally, sustainable development should

preserve ecosystems while providing for human needs.

Which of the following happens when a cell divides?

Each daughter cell receives own copy of parent cell’s DNA.

Compared to small cells, large cells have more trouble

moving needed materials in and waste products out.

How is weather different from climate?

weather is day-to-day and climate is average

The goals of biodiversity conservation include all of the following EXCEPT

introducing exotic species into new environments.

Which of the following is the correct sequence of events in cellular respiration?

glycolysis → Krebs cycle → electron transport

What is one difference between primary and secondary succession?

Secondary begins on soil + primary begins on bare surfaces.

What is the role of the spindle fibers during mitosis?

They help separate the chromosomes.

Electrons that move down electron transport chain ultimately provide the energy needed to

convert ADP molecules into ATP molecules.

Which of the following descriptions about the organization of an ecosystem is correct?

Species make up populations, which make up communities.

Which is one of the ways that cellular respiration and photosynthesis are opposite processes?

Photos. removes CO2 + cell resp. puts it back in atmosphere

As a cell becomes larger, its

volume increases faster than its surface area.

Which of the following is true about nonrenewable resources?

They cannot be replaced after they are used up.

Why are stem cells important?

They have the potential to develop into other cell types.

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Questions 48

Answers

1
The Calvin cycle takes place in the
stroma
chlorophyll molecules
thylakoid membranes
photosystems
2
Ideally, sustainable development should
provide for human needs at the expense of the environment.
put the protection of the environment ahead of human needs.
preserve ecosystems while providing for human needs.
use more natural resources to make goods to meet human needs
3
Transpiration is part of the....
nitrogen cycle
phosphorous cycle
carbon cycle
water cycle
4
Which of the following happens when a cell divides?
The cell’s volume increases.
Each daughter cell receives own copy of parent cell’s DNA.
is more difficult for cell to get enough oxygen + nutrients.
It becomes more difficult for the cell to get rid of wastes.
5
There are 10 coyotes in a 100-square-kilometer area. What is the population density?
0.1 coyotes per square km
100 coyotes per square km
10 coyotes per square km
1 coyote per square km
6
Compared to small cells, large cells have more trouble
moving needed materials in and waste products out.
storing needed materials and waste products.
producing daughter cells.
dividing.
7
One measure of the human impact on the biosphere is called
an ecological footprint
an ecological hot spot
biodiversity
biological magnification
8
Chlorophyll makes plants green because it
reflects green light
absorbs green ligth
absorbs violet light
likes green things
9
Greenhouse effect is..
unnatural
an actual blankey
natural
a result of the angle of the sun
10
An example of a nutrient in an aquatic ecosystem is....
phytoplankton
mud
nitrogen
zooplankton
11
Which of the following is NOT a freshwater ecosystem?
river
lake
estuary
stream
12
Organisms that make their own food are:
heterotrophs
vegan
vegetarian
autotrophs
13
What gas does a plant produce?
ATP
carbon dioxide
oxygen
glucose
14
Cellular respiration takes place in the....
Chloroplast
Don't pick me
Micochondria
No where
15
How is weather different from climate?
Weather depends on where it is on Earth, climate does not
Weather is temp. + precipitation while climate is soil.
climate frequently changes while weather does not
weather is day-to-day and climate is average
16
During which phase in the cell cycle does mitosis happen?
G1 phase
S phase
M phase
G2phase
17
Something that controls the growth or size of a population is
the carrying capacity.
the growth rate.
a limiting factor.
a growth factor.
18
What is the role of NADP+ in photosynthesis?
photosystem
electron carrier
pigment
high-energy sugar
19
Cancer affects
multicellular organisms only
humans only
everything!
unicellular organisms only
20
The goals of biodiversity conservation include all of the following EXCEPT
preserving habitats and ecosystems.
making sure local people benefit from conservation efforts.
introducing exotic species into new environments.
protecting individual species
21
Which of the following is a density-independent limiting factor?
a struggle for food, water, space, or sunlight
the eruption of a volcano
parasitism and disease
predator/prey relationships
22
If a population grows larger than the carrying capacity of environment, which is most likely?
The birthrate may rise
The birthrate must fall.
The death rate may rise.
The death rate must fall.
23
Which of the following is the correct sequence of events in cellular respiration?
Krebs cycle → glycolysis → electron transport
Krebs cycle → electron transport → glycolysis
glycolysis → Krebs cycle → electron transport
glycolysis → fermentation → Krebs cycle
24
Which of these is abiotic...
river
dog
fern
mushroom
25
Which organism is NOT likely to carry out cellular respiration?
button mushroom
siberian tiger
anaerobic bacterium
cypress tree
26
A math formula designed to predict population fluctuations in a community could be called a(n)
biological system
biological model
ecological observation
biological experiment
27
The two main stages of cell division are called
the M phase and the S phase.
mitosis and cytokinesis.
synthesis and cytokinesis.
mitosis and G1 phase
28
The size of each generation of offspring is larger than the generation before it in...
growth density
multiple growth
logistic growth
exponential growth
29
What is one difference between primary and secondary succession?
Secondary begins on soil + primary begins on bare surfaces.
Primary modifies the environment + secondary does not.
Secondary begins with lichens + primary begins w/ trees.
Primary is rapid + secondary is slow.
30
Light absorbing molecules used to gather energy are:
glucose
cholorplasts
pigments
thylakoids
31
Glycolysis requires...
NADP+
ATP
oxygen
sunlight
32
What do you have to do to make ADP from ATP?
Take off 1 phosphorous
Add 1 phosphorous
Take off 2 phosphorous
Add 2 phosphorous
33
What are the products of the light dependent reactions?
ATP, NADPH, and oxygen
oxygen and glucose
ATP, CO2, and NADPH
CO2. oxygen, and NADPH
34
How are herbivores and carnivores alike?
Both eat producers
Both consume things.
Both use photosynthesis
Both are autotrophs
35
The center where the 2 sister chromatids attach is the...
centriole
chromosome
centromere
sister chromatid
36
During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?
Metaphase
Telophase
Anaphase
Prophase
37
What is the role of the spindle fibers during mitosis?
They break down the nuclear membrane.
They duplicate the DNA.
They make the chromosomes visible.
They help separate the chromosomes.
38
Three main climate zones are caused by
ocean currents
distribution of sunlight
winds
distribution of rainfall
39
What are the reactants in the equation for cellular respiration?
water glucose
glucose and oxygen
glucose and lactic acid
carbon dioxide and water
40
What eats both producers and consumers?
Autotrophs
Carnivores
Omnivores
Herbivores
41
Branch of biology dealing w/ interactions among & between organisms & environment is called
recylcling
modeling
economy
ecology
42
Electrons that move down electron transport chain ultimately provide the energy needed to
convert ADP molecules into ATP molecules.
transport water molecules across the membrane.
convert carbon dioxide into water molecules.
break down glucose into pyruvic acid molecules.
43
Which of the following descriptions about the organization of an ecosystem is correct?
Species make up communities, which make up populations.
Populations make up species, which make up communities.
Communities make up species, which make up populations.
Species make up populations, which make up communities.
44
Which is one of the ways that cellular respiration and photosynthesis are opposite processes?
photos. uses glucose, and cell respiration produces glucose.
Photos. removes CO2 + cell resp. puts it back in atmosphere
Photos. removes O2 + cell resp. puts it back in atmosphere
Photosynthesis releases and cell respiration stores energy.
45
Photosynthesis: 6CO2+6H2O -->C6H12O6 +6___________?
ATP
glucose
oxygen
water
46
As a cell becomes larger, its
volume increases, but its surface area stays the same.
volume increases faster than its surface area.
surface area increases faster than its volume.
surface area stays the same, but its volume increases.
47
Which of the following is true about nonrenewable resources?
They cannot be replaced after they are used up.
They can be replaced through sustainable development.
Using them up will help keep the environment healthy.
There are plenty for people to use for a very long time.
48
Why are stem cells important?
They have the potential to undergo cell division.
They have specialized DNA
They have the potential to develop into other cell types.
They are incapable of becoming cancer cells.

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