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

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

Why are stem cells important?

They have the potential to develop into other cell types.

As a cell becomes larger, its

volume increases faster than its surface area.

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

convert ADP molecules into ATP molecules.

Which of the following happens when a cell divides?

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

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

glycolysis → Krebs cycle → electron transport

How is weather different from climate?

weather is day-to-day and climate is average

Ideally, sustainable development should

preserve ecosystems while providing for human needs.

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

Species make up populations, which make up communities.

The goals of biodiversity conservation include all of the following EXCEPT

introducing exotic species into new environments.

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.

Which of the following is true about nonrenewable resources?

They cannot be replaced after they are used up.

Compared to small cells, large cells have more trouble

moving needed materials in and waste products out.

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Questions 48

Answers

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

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