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- # this is a comment is a Q&A file
-
- .Terran Biology
-
- #This first number is the number of questions:
-
- 40
-
- #now are the questions
-
- #41
- M:3 4
- <
- What year was the first genetically
- engineered experiment successfully
- completed?
- >
- 1. 1853.
- 2. 1953.
- 3. 1973.
- 4. 1993.
-
-
-
- #42
- M:1 3
- <
- Genetic mutations are the cause of many
- diseases. An example of a disease
- caused by genetic mutation is:
- >
- 1. cancer.
- 2. alcoholism.
- 3. down syndrome.
-
-
- #43
- M:4 4
- <
- Charles Darwin's famous book was called:
- >
- 1. Life, the Universe and Everything.
- 2. Natural Selection.
- 3. Survival Of The Fittest.
- 4. The Origin of Species.
-
-
- #44
- Y:N
- <
- When a horse and a donkey breed, the
- result is an animal called a mule.
- Most mules are born sterile and
- can not breed. Is a mule an example
- of natural selection at work?
- >
-
-
- #45
- Y:N
- <
- Can different species interbreed?
- >
-
-
- #46
- M:3 3
- <
- Races describe different populations
- within a species? Which is an example
- of two races in one species?
- >
- 1. dogs and cats.
- 2. horses and mules.
- 3. german shepards and beagles.
-
-
- #47
- M:2 3
- <
- When did dinosaurs finally become
- extinct?
- >
- 1. 25 million years ago.
- 2. 65 million years ago.
- 3. 100 million years ago.
-
-
- #48
- M:4 4
- <
- How old are the oldest fossils?
- >
- 1. 1 billion years old.
- 2. 2 billion years old.
- 3. 3 billion years old.
- 4. 3.5 billion years old.
-
-
- #49
- M:2 2
- <
- The first organisms to colonize land
- did so only about 410 million years
- ago and were:
- >
- 1. animals.
- 2. plants.
-
-
- #50
- M:3 3
- <
- Vertebrates (animals with backbones
- like you and me) first moved onto land
- how many years ago?
- >
- 1. 100 million years ago.
- 2. 200 million years ago.
- 3. about 360 million years ago.
-
- #51
- M:1 4
- <
- The earth has experienced several major
- extinctions where many of Earth's
- species have simply died off (like what
- happened to the dinosaurs). How many
- times has this happened in all of
- history?
- >
- 1. 5 times.
- 2. 10 times.
- 3. 1560 times.
- 4. more than 2000 times.
-
-
- #52
- M:4 4
- <
- The fourth major extinction happened
- 238 to 248 million years ago and killed
- off what percentage of marine life?
- >
- 1. 10%
- 2. 30%
- 3. 70%
- 4. 96%
-
-
- #53
- M:5 5
- <
- Which of the five major extinctions in
- Earth's history killed the dinosaurs?
- >
- 1. the first.
- 2. the second.
- 3. the third.
- 4. the fourth.
- 5. the fifth.
-
-
- #54
- M:1 4
- <
- How many flowering plant species are
- there in the world today?
- >
- 1. over 240,000.
- 2. 200,000.
- 3. 100,000.
- 4. less than 20,000.
-
-
- #55
- M:2 3
- <
- Today the Earth has 7 major continents
- but it used to have only one huge
- continent called Pangaea. How long ago
- did Pangaea split up into the seven
- continents we know today?
- >
- 1. 100 million years ago.
- 2. 200 million years ago.
- 3. 1 billion years ago.
-
-
-
- #56
- M:3 3
- <
- When Pangaea, the super-continent,
- split up to form the 7 continents we
- have today, North and South America
- separated. A short time ago these
- two continents became reconnected. How
- long ago did this occur?
- >
- 1. 10 million years ago.
- 2. 5 million years ago.
- 3. 3 million years ago.
-
-
- #57
- M:1 4
- <
- The first vertebrates were:
- >
- 1. jawless fishes.
- 2. frogs.
- 3. snakes.
- 4. lizards.
-
-
- #58
- M:1 2
- <
- Our species has existed for perhaps
- 500,000 years. We are called:
- >
- 1. Homo Sapiens.
- 2. Australopithecus.
-
-
- #59
- M:3 4
- <
- What is the largest mammal?
- >
- 1. the elephant.
- 2. the lion.
- 3. the whale.
- 4. the hippopotamus.
-
-
- #60
- M:2 3
- <
- How many species of reptiles are
- there on Earth today?
- >
- 1. about 3000.
- 2. about 6000.
- 3. about 100,000.
-
-
- #61
- M:3 3
- <
- The three characteristics that allow
- reptiles to live on land are: more
- developed lungs, dry water tight skin
- and:
- >
- 1. flexible bodies.
- 2. the ability to enter the water.
- 3. water tight but gas permeable eggs.
-
-
-
- #62
- M:3 4
- <
- There are 4500 species of mammals,
- 6000 species of reptiles and how many
- species of birds?
- >
- 1. 1,000.
- 2. 4,000.
- 3. 9,000.
- 4. 14,000.
-
-
-
- #63
- Y:Y
- <
- Neanderthals lived up to 32,000 years
- ago. Even though they were not the
- same type of man or woman as you and I
- (they had much larger heads and were
- stronger and shorter), they still made
- tools and buried their dead as we do.
- Does this mean we are not the only race
- of intelligent life to have populated
- the planet?
- >
-
-
- #64
- M:3 3
- <
- An ecosystem survives because the
- different plants and animals play
- individual roles that help sustain
- everyone. What is the term for an
- individual role?
- >
- 1. a job.
- 2. a function.
- 3. a niche.
-
-
- #65
- Y:N
- <
- can 2 species occupy the same niche
- indefinitely?
- >
-
-
- #66
- M:4 4
- <
- With the exception of humans, all
- species population sizes are limited by:
- >
- 1. predator prey relationships.
- 2. natural selection.
- 3. disease.
- 4. all of the above.
-
-
- #67
- M:2 2
- <
- Nature finds many creative ways to
- defend itself. Animals have horns,
- teeth and poisons. Plants also have
- chemicals called:
- >
- 1. primary compounds.
- 2. secondary compounds.
-
-
- #68
- M:3 3
- <
- Populations of species living together
- are called:
- >
- 1. ecosystems.
- 2. environment.
- 3. communities.
-
-
- #69
- M:1 3
- <
- A community together with the non-living
- component of the environment is called:
- >
- 1. the ecosystem.
- 2. the environment.
- 3. a niche.
-
-
- #70
- Y:Y
- <
- many genetic traits are termed dominant
- and recessive. is it true that dark hair is
- a dominant trait?
- >
-
-
-
- #71
- M:2 3
- <
- The pollution caused by smokestacks
- is most clearly seen in the recent
- phenomenon known as:
- >
- 1. DDT.
- 2. acid rain.
- 3. monocultures.
-
-
-
-
- #72
- M:4 4
- <
- What percentage of the planet's
- plants and animals is expected to
- become extinct over the next few
- decades as a result of losing the
- rainforests alone?
- >
- 1. 0.02%
- 2. 5%
- 3. 10%
- 4. 20%
-
-
- #73
- M:3 4
- <
- The world's population of nearly six
- billion is expected to double in the
- next 2 to 3 decades. How fast is the
- population growing per year?
- >
- 1. 0.003% per year.
- 2. 0.3% per year.
- 3. 1.7% per year.
- 4. 5% per year.
-
-
-
- #74
- M:3 3
- <
- One in every 5 people in the world
- is living in absolute poverty. How many
- people die each year from starvation?
- >
- 1. 10 million, 5 million are kids.
- 2. 20 million, 7 million are kids.
- 3. 35 million, 14 million are kids.
-
-
-
- #75
- Y:N
- <
- Everyone must realize the problems of
- pollution and overpopulation are serious.
- Can we save this planet without your
- help?
- >
-
-
- #76
- M:4 4
- <
- How many different kinds of organisms
- live on the planet earth?
- >
- 1. 5000.
- 2. 50,000.
- 3. 500,000.
- 4. 5,000,000.
-
- #77
- M:2 3
- <
- How many of the 5 million different
- organisms on earth have been cataloged?
- >
- 1. 1 million.
- 2. 1.5 million.
- 3. 3 million.
-
-
- #78
- M:3 3
- <
- What is the most abundant form of life
- in the world?
- >
- 1. Plants.
- 2. Animals.
- 3. Bacteria.
-
-
-
- #79
- M:3 3
- <
- How many bacteria can live in a single
- gram of soil?
- >
- 1. 100,000.
- 2. 100,000,000.
- 3. over 2,000,000,000.
-
-
- #80
- M:1 3
- <
- Which of the following diseases is
- caused by a virus?
- >
- 1. AIDS.
- 2. tetanus.
- 3. Cholera.
-