What is the purpose of chemosynthesis in a deep sea ecosystem?

To allow organisms to generate food without relying on solar energy

What is the Ring of Fire?

area around the Pacific Ocean with many earthquakes and volcanoes

The second law of thermodynamics states that entropy is always increasing, which means that...

energy changes from an more ordered state to less ordered state

Transfer of heat from the actual movement of heated matter

What is the equation for photosynthesis?

6CO2+6H2O + light energy -> C6H12O6 + 6O2

the process by which heat is directly transmitted through a substance

igneous rock formed on the exterior of Earth's surface

What is the rock cycle ?

The continuous change of rocks from one form to another

What does the Law of Conservation of Matter State?

Matter cannot be created nor destroyed

The first law of thermodynamics states....

energy cannot be created or destroyed

Where does chemosynthesis occur?

in the depths of the sea near hydrothermal vents

What is NOT evidence of plate tectonics?

Whales sinking to the bottom when they die

What is the chemical reaction for Photosynthesis?

6H2O + 6CO2 + light energy ---> C6H12O6 + 6O2

Photosynthesis is ......

Conversion of solar energy into chemical energy

What is chemical potential energy?

Energy stored in chemical bonds

What is Geothermal Energy?

Energy derived from hot magma and molten rocks

Which of the following items has the MOST potential energy?

A large boulder at the top of a mountain.

Organisms that can synthesize organic compounds from organic nutrients by photosynthesis are....

Autotrophs like algae, bacteria, archaea or plants

Chemosynthesis is....

A process which organisms use to make food without using sunlight.

What is the chemical equation for chemosynthesis?

6CO2 + 6H2O + 3H2S --> 3H2SO4 + C6H12O6

Photosynthesis is....

The process by which autotrophs make their own food.

studbud

Unit 2/Ch. 2/Lab Unit 2 Exam Review

35 termsStudBud Administration874 plays

Imported from external platform

Flashcards35 cardsFPractice quizPHost liveL

Questions 35

Answers

1
What is the purpose of chemosynthesis in a deep sea ecosystem?
To provide food in an ecosystem, through the conversion of light energy
To allow organisms to generate food without relying on solar energy
To provide hydrothermal sea vents with chemical energy
To convert food into a usable form of energy
2
How many total hydrogen atoms are there in three molecules of water = 3H₂O
6
2
3
9
3
How did the Pangea transform?
Series of earthquakes
Meteor strike
Volcanic eruption
Tectonic plate movement
4
What is the Ring of Fire?
area along the equator with many earthquakes and volcanoes
area around the Atlantic Ocean with many hydrothermal vents
area around the Pacific Ocean with many earthquakes and volcanoes
area in California with many earthquakes and hotsprings
5
The second law of thermodynamics states that entropy is always increasing, which means that...
energy changes from an more ordered state to less ordered state
there is always more energy in an ecosystem than it needs
energy can be converted without the loss of some energy
energy changes from an less ordered state to more ordered state
6
Unstable isotopes which undergo decay are called.....
Radioactive isotopes
Super isotopes
Stereotypypical isotopes
Unstable isotopes do not exist
7
What is Convection?
Transformation of kinetic energy to potential chemical energy
Transfer of heat from the actual movement of heated matter
Directly transporting energy through electromagnetic waves
Transfer of energy through matter from particle to particle.
8
According to the pH scale, baking soda is....?
None of the above
Alkaline
Neutral
Acidic
9
What is the equation for photosynthesis?
6CO2+6H2O + light energy -> C6H12O6 + 6O2
6H2O + H2S + light energy -> C6H12O6+ H2SO4
6CO2+6H2S + light energy -> C6H12O6 + 3O2
6O2 + 6H2O + light energy -> C6H12O6 + 3H2O
10
Negatively charged particles that move around the atom's nucleus are ....?
neutrons
protons
neurons
electrons
11
Hydrocarbons are organic molecules containing hydrogen and ________
Oyxgen
Water
Carbon dioxide
Carbon
12
Conduction is...
the process by which warm air rises
the process where energy is created
the process by which cold temperatures are transmitted through a substance
the process by which heat is directly transmitted through a substance
13
Extrusive rock is...
igneous rock formed on the exterior of Earth's surface
rock formed with sediments
rock with fossilized materials
igneous rock formed on the interior of Earth's surface
14
Substances with a low pH value are.....
acidic
neutral
basic
alkaline
15
What is the rock cycle ?
When rocks are cemented together
Rocks remaining stagnant and not transported
Rocks breaking down into fossils
The continuous change of rocks from one form to another
16
Plate tectonics has an influence on which of the following.
Earthquakes
Volcanoes
Tsunamis
Hydrothermal vents
All of the above
Mountain formation
17
What does the Law of Conservation of Matter State?
Matter cannot be created nor destroyed
Matter can not be transformed from one type of substance to another
Matter tends to change from a less-ordered to a more-ordered state.
All matter is made up of tiny particles that are in constant motion
18
The first law of thermodynamics states....
energy can only be created not destroyed
energy cannot be created or destroyed
energy can be created and destroyed
energy can only be destroyed not created
19
Where does chemosynthesis occur?
all aquatic ecosystems
on the continental crust
in the depths of the sea near hydrothermal vents
in the shallows of oceanic systems near hydrothermal vents
20
A collision between two pieces of continental crusts at a converging boundary produces a _________.
deep-ocean trench
mountain range
fault line
rift valley
21
What is NOT evidence of plate tectonics?
Mountain ranges across oceans made of the same type of rock.
Lands fits together like a puzzle
Whales sinking to the bottom when they die
Scars on rocks due to glaciers
22
What is the chemical reaction for Photosynthesis?
6H3O + 6O2 + light energy --> C6H12O6 + 6O2
H2O + O2 + light energy ---> C6H12O6 + O2
6H2O + 6CO2 + light energy ---> C6H12O6 + 6O2
6H2O + 6CO2 + H2S ---> C6H12O2 + H2SO4
23
Photosynthesis is ......
Heterotrophs consuming autotrophs for energy
Conversion of chemical energy into light energy
Conversion of solar energy into chemical energy
Eating other plants
24
What is chemical potential energy?
Energy due to the motion of particles that make up an object
Energy that is stored in the nucleus of an atom
An energy resource that cannot be used up
Energy stored in chemical bonds
25
What is Geothermal Energy?
Energy derived from hot magma and molten rocks
Energy derived from plants that lived millions of years ago
Energy derived from light and heat from the sun
Energy derived from photosynthetic processes
26
Which of the following items has the MOST potential energy?
A large boulder at the bottom of a mountain.
A large boulder at the top of a mountain.
A large boulder rolling down a mountain.
A small boulder rolling down a mountain.
27
Organisms that can synthesize organic compounds from organic nutrients by photosynthesis are....
Autotrophs like homo sapiens
Autotrophs like algae, bacteria, archaea or plants
Heterotrophs like wolves, salmon, dogs or pigeons
Heterotrophs like algae, bacteria, archaea or plants
28
Which is an example of Kinetic energy?
Apple on a tree limb
coins in a jar
straw in a cup
Ball rolling
29
Chemosynthesis is....
Synthesized chemical food grown on plants
The same process as photosynthesis but mixed with macromolecules
Glucose that makes bacteria using synthesized chemical bonds
A process which organisms use to make food without using sunlight.
30
What is the chemical equation for chemosynthesis?
6CO2 + 6H2O + 3H2S --> 3H2SO4 + C6H12O6
6H2S + C6H12O6 --> 6H2O + 6CO2 + energy
6H2O + 6CO2 --> light energy + 6O2 + C6H12O6
CO2 + O2 + sunlight --> H2S + C6H12O6+ energy
31
The ring of fire is a ring of volcanoes and earthquakes that occur along
The mid-ocean ridge
Plate Boundaries
Hot Spots
Only transform boundaries
32
Energy is ...
comes in only one form
the ability to do work
not able to be converted back and forth between two forms.
can be created and destroyed
33
What are molecules?
Group of atoms
Group of isotopes
Group of polymers
Group of cells
34
Photosynthesis is....
Process by which glucose is broken down.
The process by which plants die.
The process by which heterotrophs make their own food.
The process by which autotrophs make their own food.
35
What are the starting materials for Cellular Respiration?
C6+6H2 +3O2
6H2O +H2S
C6H12O6 + CO2
C6H12O6 + 6O2

Unit 2/Ch. 2/Lab Unit 2 Exam Review Flashcards | StudBud