IB Biology 2
"Broken Pieces of Yesterday's
Life,"
S. Carroll, Oct.'06 Natural History
Directions: Answer the following in your
journal. Use complete sentences or attach this
paper nearby.
1. Coelacanths (SEE-low-canths) are
"living fossils." What does this
mean to an evolutionary biologist?
2.
Explain what a “fossil gene” is,
in your own words.
3.
Why don't coelacanths see in
color? Give the proximate
explanation (a mechanism) and the
ultimate explanation (an
evolutionary advantage).
4.
What is another organism that has
lost the ability to see in color?
5.
What fossil genes do humans have?
6.
What is the message behind the
story about the two Mycobacterium
species?
7.
Explain with examples the phrase,
"Natural selection can't preserve
the past or plan for the future."
IB Biology 2
"Broken Pieces of Yesterday's
Life,"
S. Carroll, Oct.'06 Natural History
Directions: Answer the following in your
journal. Use complete sentences or attach this
paper nearby.
1. Coelacanths (SEE-low-canths) are
"living fossils." What does this
mean to an evolutionary biologist?
2.
Explain what a “fossil gene” is,
in your own words.
3.
Why don't coelacanths see in
color? Give the proximate
explanation (a mechanism) and the
ultimate explanation (an
evolutionary advantage).
4.
What is another creature that has
lost the ability to see in color?
5.
What fossil genes do humans have?
6.
What is the message behind the
story about the two Mycobacterium
species?
7.
Explain with examples the phrase,
"Natural selection can't preserve
the past or plan for the future."
IB Biology 2
"Broken Pieces of Yesterday's
Life,"
S. Carroll, Oct.'06 Natural History
Directions: Answer the following in your
journal. Use complete sentences or attach this
paper nearby.
1. Coelacanths (SEE-low-canths) are
"living fossils." What does this
mean to an evolutionary biologist?
2.
Explain what a “fossil gene” is,
in your own words.
3.
Why don't coelacanths see in
color? Give the proximate
explanation (a mechanism) and the
ultimate explanation (an
evolutionary advantage).
4.
What is another creature that has
lost the ability to see in color?
5.
What fossil genes do humans have?
6.
What is the message behind the
story about the two Mycobacterium
species?
7.
Explain with examples the phrase,
"Natural selection can't preserve
the past or plan for the future."
IB Biology 2
"Broken Pieces of Yesterday's
Life,"
S. Carroll, Oct.'06 Natural History
Directions: Answer the following in your
journal. Use complete sentences or attach this
paper nearby.
1. Coelacanths (SEE-low-canths) are
"living fossils." What does this
mean to an evolutionary biologist?
2.
Explain what a “fossil gene” is,
in your own words.
3.
Why don't coelacanths see in
color? Give the proximate
explanation (a mechanism) and the
ultimate explanation (an
evolutionary advantage).
4.
What is another creature that has
lost the ability to see in color?
5.
What fossil genes do humans have?
6.
What is the message behind the
story about the two Mycobacterium
species?
7.
Explain with examples the phrase,
"Natural selection can't preserve
the past or plan for the future."
IB Biology 2
"Broken Pieces of Yesterday's
Life,"
S. Carroll, Oct.'06 Natural History
Directions: Answer the following in your
journal. Use complete sentences or attach this
paper nearby.
1. Coelacanths (SEE-low-canths) are
"living fossils." What does this
mean to an evolutionary biologist?
2.
Explain what a “fossil gene” is,
in your own words.
3.
Why don't coelacanths see in
color? Give the proximate
explanation (a mechanism) and the
ultimate explanation (an
evolutionary advantage).
4.
What is another creature that has
lost the ability to see in color?
5.
What fossil genes do humans have?
6.
What is the message behind the
story about the two Mycobacterium
species?
7.
Explain with examples the phrase,
"Natural selection can't preserve
the past or plan for the future."
IB Biology 2
"Broken Pieces of Yesterday's
Life,"
S. Carroll, Oct.'06 Natural History
Directions: Answer the following in your
journal. Use complete sentences or attach this
paper nearby.
1. Coelacanths (SEE-low-canths) are
"living fossils." What does this
mean to an evolutionary biologist?
2.
Explain what a “fossil gene” is,
in your own words.
3.
Why don't coelacanths see in
color? Give the proximate
explanation (a mechanism) and the
ultimate explanation (an
evolutionary advantage).
4.
What is another creature that has
lost the ability to see in color?
5.
What fossil genes do humans have?
6.
What is the message behind the
story about the two Mycobacterium
species?
7.
Explain with examples the phrase,
"Natural selection can't preserve
the past or plan for the future."