General and BioChem

DNA and RNA

Body Systems

Genetics

Evolution

Cells

Gen/BioChem DNA/RNA Body Systems Genetics Evolution Cells $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500

Ancient Earth’s atmosphere consisted of a lot of oxygen A 20 mile band that surrounds the earth and contains all life is known as the __________. T or F Ancient Earth’s atmosphere consisted of a lot of oxygen

False - very little oxygen Biosphere

What did stromatolites produce? A 20 mile band that surrounds the earth and contains all life is known as the __________. What did stromatolites produce?

oxygen Biosphere

How many years ago did the first organism(protocells) appear on earth? ___ billion years ago Earth’s early atmosphere contain very little ________gas?

3.5 to 3.9 billion years ago Oxygen - 21%

Eventually stromalites formed the _____ layer, which protects us from UV rays. Earth’s early atmosphere contain very little ________gas?

ozone Oxygen - 21%

Name 1 of the 2 types of dating discussed in the chapter? What is the process that occurs in all living things that produces CO2?

Relative or radiometric

If two half lives pass, how much C14 is left? ____% What is the process that occurs in all living things that produces CO2?

25%

What part of our atmosphere do planes fly in ? How old is the earth? 3.8 billion years old 4.2 billion years old 4.6 billion years old or 4.6 million years old What part of our atmosphere do planes fly in ?

4.6 billion years old

What part of the atmosphere contains most of the earth’s air currents? T or F Only a small fraction of all the species exist today about 99% species of species are extinct What part of the atmosphere contains most of the earth’s air currents?

True

It’s a great example of relative dating. Where in the United States is there a great example of sedimentary rocks. It’s a great example of relative dating. Yellowstone New Jersey Yosemite Grand Canyon What layer of the earth contains the ozone?

Grand canyon

In the grand canyon where would the oldest fossils been found. TOP MIDDLE BOTTOM Do clouds and snow reflect or absorb sunlight?

At the bottom Reflects - cooling the Earth

On the geological time scale what era did humans evolve? Precambrian Paleozoic Mesozoic Cenozoic True or False The earth is closest to the sun in the summer

cenozoic

Vertebrates first evolve in the _________era. Precambrian Paleozoic Mesozoic Cenozoic Another name for zero degrees latitude is

paleozoic

In the Precambrian era only unicellular prokaryotes exist T or F In the Precambrian era only unicellular prokaryotes exist Why does the equator get so much rain?

False- Multicellular Eukaryotes At zero degrees the equator heats up fast and the heat rises as it cools it releases rain..

The idea that nonliving material can produce life. Biogenesis Spontaneous generation Spontaneous combustion The Great Basin Desert in the U.S. is a desert. How does a mountain range develop this dry condition?

Spontaneous generation On the west side of the mountain moisture is released as it climbs east side-dry air comes down an takes moisture out of the earth Spontaneous generation

In Redi’s experiment what was used as the independent variable? Flies Meat Maggots Covered jar June 21

Towards Covered jars

Prior to life on earth simple organic molecules evolved into complex organic molecules. Which are carbs, nucleic acids and_____. Why did scientist Charles Keeling take a reading of CO2 levels in Hawaii ?

Proteins

What era did dinosaurs roam the earth? Precambrian Paleozoic Mesozoic Cenozoic Why do CO2 levels rise during the winter?

Mesozoic

What era did life first evolve ? Precambrian Paleozoic Mesozoic Cenozoic Name one greenhouse gases.

Precambrian CO2, water vapor, CFC’s methane and nitrous oxide

Where do CFC’s come from? When all of the land masses were one it was called___? Where do CFC’s come from?

Pangaea Aerosol cans, air conditioners, refrigerators

Who was the first scientist to disprove spontaneous generation? (of macro organisms) Redi Pasteur Spalinzini Miller & Urey

Francesco Redi -carpool -bicycle -lower your housing heat -plant trees -insulate the house Francesco Redi

What scientist disproved spontaneous generation of microorganisms? Redi Pasteur Spalinzini Miller & Urey he

Louis Pasteur Absorbs UV light

UV light can change our genetic material. According to Haldane & Oparin what triggered life in the oceans? T or F UV light can change our genetic material.

Sun, light, and heat

What do CFC’s do in an aerosol cans? Who proved Haldane’s & Oparin’s hypothesis that life began in the oceans? Redi & Pasteur Aristotle & Newton Miller & Urey Martin & Gaccione 1 2 What do CFC’s do in an aerosol cans? 3 4

Miller and Urey Used as propellants

Why did scientists think that the first true cells were anaerobic? True or False As warm air rises, it cools and releases water vapor. 1 2 3 4

Early earth lacked oxygen True

What era is know as an explosion of life? Precambrian Paleozoic Mesozoic Cenozoic What gas makes up most of the earth’s atmosphere?

Paleozoic en - 78%

How did the first autotrophs make their food? Chemosynthesis Photosynthesis Cellular Respiration    The thinning of the ozone layer occurs over ____ regions and may take _____ years to reverse.? 1 2 3 4

chemosynthesis

The deflection of winds moving along the surface Who hypothesized that the earth is 200,000 years old based on the sedimentation rate of the Po river Da Vinci Archbishop Usher Galileo Gaccione The deflection of winds moving along the surface of the Earth is called the _____ Effect. A possible solution to the problem.

Da Vinci

The thought that life can only come from life is called ___. Biogenesis Spontaneous generation Spontaneous combustion

Question 31 Answer Biogenesis absorb carbon dioxide. Question 31 Answer Biogenesis

Double Jeopardy!!

Classification

Ecology

Microscopes

Biomolecules

Scientific Method Classification Ecology Microscopes Biomolecules Pot Luck $200 $200 $ $2 $400 $400 $4 $ $4 $4 $600 $600 $6 $6 $6 $800 $800 $ $80 $8 $1000 $ $1000 $100 $10

Who was the scientist that used a curved neck flask to disprove spontaneous generation of microorganisms? Redi Pasteur Aristotle Newton Miller Urey

Louis Pasteur

When a fossil is formed it has 100% C14. What is it called when the fossil has 50% C14 & 50% C12.

Half - life

What organism evolved first? eukaryotes prokaryotes protocells

Protocells

Newton Pasteur Aristotle Redi Miller Urey Who conducted the experiment below? 1 2 3 4 Newton Pasteur Aristotle Redi Miller Urey

Francesco Redi

Redi Pasteur Aristotle Newton Miller Urey 1 2 3 4 Who conducted the experiment below? 1 2 3 4 Redi Pasteur Aristotle Newton Miller Urey

Louis Pasteur

What type of dating is shown in this graph? Relative Radiometric Carbon 14

Radiometric dating

What is an isotope?

An element with the same # of protons, but different # of nuetrons.

Protocells & Prokaryotes lack _____. Cytoplasm DNA Organelles Cell membrane

Organelles

Who disproved spontaneous generation of micro organism ?

Louis Pasteur

Who disproved spontaneous generation of macro organism?

Redi

Prokaryotes Eukaryotes Protocells Mulit-cellular Put these in order from oldest to newest. Prokaryotes Eukaryotes Protocells Mulit-cellular

Protocells Prokaryotes Eukaryotes Multi-cellular