Formative_DE_LE_Unit2

Last updated over 2 years ago
41 questions
2.1 Energy of Life
2

Classify the following as either carbohydrates or other organic molecules by dragging them to the correct box.

  • glucose
  • starch
  • albumin
  • cholesterol
  • glycogen
  • fructose
  • testosterone
  • Carbohydrates
  • Other organic molecules
1

If a female lion runs a distance of 469.2 meters while chasing an antelope, how many millimeters did she run? (Include units)

2

The two main processes organisms use to make energy are photosynthesis and cellular respiration. Match the following terms or processes with the best definition.

Draggable itemCorresponding Item
chloroplasts
where cellular respiration takes place
carbon dioxide
where photosynthesis takes place
oxygen is absent
the first stage of respiration
mitochondria
taken in through leaves
oxygen released
lactic acid or alcohol from pyruvate
glycolysis
by product of water breakdown
1

The conversions of energy involve many chemical reactions taking place within an organism or the environment. What is the term for the energy needed to begin one of these reactions?

2

Life requires energy to exist. Connect the life processes to the reasons they consume energy.

Draggable itemCorresponding Item
Replication of DNA
Polymerization of nucleic acids require energy to break chemical bonds
Digesting food
Production of digestive enzymes requires energy to break bonds in proteinst
Breathing
Contraction of the diaphragm uses energy to move muscle fibers
Dreaming
Active transport uses energy to produce chemical gradients across neurons
2
A rollercoaster car moves from left to right as shown. The car starts out with high velocity as it is launched at the gate and no additional energy is provided during the part of the roller coaster shown. Determine whether the car is gaining or losing kinetic and potential energy at each part of the rollercoaster.
Other Answer Choices:
decreases
decreases
decreases
decreases
increases
increases
increases
increases
1
Draggable itemCorresponding Item
First Law of Thermodynamics
Energy cannot be created nor destroyed
Second Law of Thermodynamics
Entropy of a system cannot decrease
Third Law of Thermodynamics
The point at which the thermal energy of molecules is zero is when atoms have ceased moving.
2

Classify the following statements for if they best fit an endergonic reaction or an exergonic reaction.

  • Require a net input of energy
  • Release energy into the surroundings
  • Change in free energy is positive
  • Change in free energy is negative
  • Breakdown of food molecules
  • Building ATP
  • Endergonic Reaction
  • Exergonic Reaction
1
Electrons can be moved from a lower energy state in one atom to a higher energy state in another atom; this serves to _______ energy. Electrons can also move from higher energy states in one atom to lower energy states in another, thus _______ energy. The movement of electrons from one atom to another changes the _______ number of both atoms. Any chemical reaction that changes the oxidation number of atoms is called a _______ reaction.
1
The term redox is a combination of the terms reduction and oxidation. _______ is the gain of electrons, which decreases the _______ state of the atom or ion.
1

Determine whether each change in the fast carbon cycle would increase or decrease atmospheric carbon. Drag each change into the correct row.

  • less solar energy
  • more green plants
  • less water
  • fewer decomposers
  • more animals
  • Increase Atmospheric Carbon
  • Decrease Atmospheric Carbon
2.2 Photosynthesis
1

Classify some of the following as a product or a reactant in the process of photosynthesis.

  • carbon dioxide
  • oxygen
  • glucose
  • water
  • Reactants
  • Products
1
_______ in a plant absorbs and transfers energy from most visible waves of light from the _______, except green and yellow.
2

Read the terms below. Read the possible definitions and separate the incorrect definitions from ones that correctly relate to the terms. Connect the definition to its correct term.

Draggable itemCorresponding Item
autotroph
a substance essential for the growth and maintenance of life
cellular respiration
primary pigments responsible for the absoption of light energy in the process of photosynthesis
chlorophyll
a conversion of light energy into chemical energy
photosynthesis
a reactant in the process of photosynthesis
chloroplasts
a series of metabolic processes where chemical energy is released to produce ATP
carbon dioxide
an organism capable of synthesizing its own food from inorganic sources
nutrients
the location in plants that holds chlorophyll and where photosynthesis takes place
3

Determine whether each statement describes photosynthesis or cellular respiration or both.

  • Reactions include C6H12O6 (glucose) and H2O (water)
  • Requires oxygen as a reactant
  • Requires carbohydrates as a reactant
  • Requires carbon dioxide as a reactant
  • Produces oxygen as an end product
  • Produces carbohydrates as an end product
  • Produces carbon dioxide as an end product
  • Involves ATP
  • Releases energy
  • Uses energy
  • Photosynthesis
  • Both Photosynthesis and Cellular Respiration
  • Cellular Respiration
Scientists categorize plants into two groups: C3 and C4 species. The C3 species are temperate or cool-season plants. The C4 species are tropical or warm-season plants. Based on the graph below, choose the best words or phrases to complete the summary comparing the data about the two types of plants.
1
In comparing these two species, photosynthesis increases more rapidly in the presence of carbon dioxide for __________ plants. The C4 species reaches a peak rate of photosynthesis at __________and the C3 species reaches a peak rate of photosynthesis at __________. This means that carbon dioxide concentrations in excess of __________ will not increase the rate of plant growth or carbohydrate production for either species. The tropical C4 species grows more quickly. Since the photosynthesis reaction requires an equal number of CO2 and __________, this is adaptive for tropical environments.
2.3 Cellular Respiration
2

Classify some of the following as either possible reactants or products of respiration by dragging them to the correct column.

  • glucose
  • water
  • ATP
  • carbon dioxide
  • oxygen
  • Product
  • Reactant
1
A study showed that the core body temperature of athletes rose about 0.2°C during heavy exercise. This rise in temperature is due to cellular respiration generating more waste _______ during exercise.
2

Match the following terms or processes with the best definition.

Draggable itemCorresponding Item
glycolysis
the site of aerobic cellular respiration
fermentation
respiration without oxygen
carbon dioxide
first stage of cellular respiration
anaerobic respiration
a product of cellular respiration
mitochondria
the production of lactate or alcohol from pyruvate
electron transport chain
the stage in respiration that produces the most ATP
1
Describe the way ATP works as a high energy compound?
________ +______ +______________________ -> ________
Other Answer Choices:
Energy
ATP
P
ADP
2
Cellular respiration has three main stages: glycolysis, the Krebs Cycle, and the electron transport chain. Each stage of cellular respiration involves a series of _______ known as redox reaction. A redox reaction includes an electron _______ (oxidizing agent), and an electron _______ (reducing agent).
3
In glycolysis, one glucose molecule and two molecules of ATP are used. ______ pyruvate, ______ ATP, and ______ NADH molecules are made. The Krebs cycle produces ______ ATP, ______ NADH, and ______ FADH2 molecules. The electron transport chain can produce about _______ ATP molecules.
Other Answer Choices:
1
4
3
1
1
30
3
28
2
2
4
26
2
3

Cellular respiration occurs in three stages. Drag each description into the row of the stage with which it is associated.

  • produces the majority of the ATP
  • molecules passthrough the exterior membrane of the mitochondria
  • ions pass through the membranes within mitochondria
  • one reactant is glucose
  • produces water
  • Glycolysis
  • Krebs Cycle
  • Electron Transport Chain
1

If more oxygen were made available to cells that had a limited amount of oxygen, what could be the result? Select all that apply.

1

Sauerkraut is made from cabbage, salt, and water.
What conclusions can you draw about the process that creates sauerkraut? Select all that apply.

2.4 Nutrient Cycles
1

Which of the following statements about the properties of water are false?

2

Move the properties of organic and inorganic compounds to the correct categories.

  • conduct electricity
  • high boiling point
  • low melting point
  • contain carbon
  • not flamable
  • usually insoluble in water
  • Organic Compounds
  • Inorganic Compounds
The graph shows the amount of rain that California has received over the past 40 years. Based on this data, predict how changes in rainfall in 2014 would impact organisms in the state.

1
The precipitation in 2014 was __________ normal. Because organisms in the state are adapted to live in an environment with approximately __________ inches of rain a year, rain conditions in 2014 would probably __________ the chance these organisms will survive.
1

A carbon atom moves between many different reservoirs as it moves through the carbon cycle. Starting with a molecule of carbon dioxide gas, place these different reservoirs in the order in which carbon would flow through them.

1
1) Carbon can enter the atmosphere and hydrosphere through burning of fossil fuels and volcanic activity. Weathering of limestone also releases carbon into the atmosphere.

2) Carbon dioxide is pulled out of the atmosphere by plants to be used during __________. Through this process, the carbon is stored in the plant as __________.

3) Plants and animals use the stored carbon during __________to produce energy. A byproduct of this process is __________which is released back into the atmosphere.

4) When organisms __________ carbon is again released into the atmosphere by microorganisms. During this process, carbon is also stored in rocks, such as limestone or coal.
1

Nitrogen gas can be used directly from the atmosphere by the plants in our ecosystem.

1

The phosphorus cycle involves the transfer of phosphorus, primarily in what form?

2.5 Mechanical and Chemical Weathering
2

Match the following terms or processes with the best definition.

Draggable itemCorresponding Item
climate
the breaking down of rocks, minerals, and soil on the surface of Earth
weathering
the movement of rocks, soil, and dissolved material from one location to another
landform
material that results when rock is broken down into smaller pieces
erosion
the annual average weather conditions in a particular area
elevation
a natural feature on the surface of Earth
sediment
the height above sea level
1

Water’s physical and chemical properties make it an agent of both mechanical and chemical weathering. Which of the following are examples of chemical weathering processes? Select all that apply.

This photo shows a bend in the Colorado River called Horseshoe Bend. Mechanical and chemical weathering have shaped, and continue to shape, this formation. Would the following changes make the weathering of Horseshoe Bend occur more quickly or more slowly?

2
If a manufacturer let acidic byproducts of fertilizer production enter the river, weathering would happen __________.
If the region experienced severe winter weather with several freeze-thaw cycles, weathering would happen __________.
If the water level in the river went down due to very little rainfall, weathering would happen __________.
If more trees grow along the river, weathering would happen __________.
2.6 Erosion and Deposition
2

Match the following agent of erosion with the landscape feature it creates. Some agents may have more than one landscape feature.

Draggable itemCorresponding Item
glaciers
sand dune
mass movement
U-shaped valley
waves
sea cliffs & barrier island
wind
mud flow
rivers
delta, V-shaped valley, canyon
1

Geologists study erosion to teach us about the past. What type of erosion demonstrates that it can be a process that happens over a long period of time?

1

Classify each of the following processes as erosion, weathering, or deposition.

  • Erosion
  • Weathering
  • Deposition
1

Erosion, deposition, and tectonic plate interactions have shaped Earth’s surface. Drag and drop the tiles to show the order of Earth processes that could result in fossils of marine organisms found in high mountains.

  1. Moving water deposits sediment when it slows down.
  2. Sediment accumulates in a low-lying area, burying the remains of some organisms.
  3. Fossils of marine organisms are found in high mountains.
  4. Colliding plates push rock that was underwater up into mountain ranges.
  5. Two continental tectonic plates collide near a sedimentary basin.
  6. Running water erodes weathered rocks.
1
Drop in the size (mm) of the specific types of sediment.
Boulder: _________
Clay: ____________
Cobble: ___________
Coarse Sand: __________
Fine Sand: _______________
Pebble: ______________________
Other Answer Choices:
64-256
< 1/256
0.5-1
4-64
0.125-0.25
>256
1

Engineers have developed many ways to prevent and minimize damage from erosion. Connect each design solution to the situation for which it would be effective. Some situations may have more than one possible solution.

Draggable itemCorresponding Item
shoreline hardening
soft stabilization
beach nourishment & shoreline hardening