Fill in the blanks--
Organisms adapt to _____________ and _____________.
survive and reproduce
100
What is Darwin's first name?
Charles
100
Which step of natural selection would this statement model:
Aphids (an insect) lay hundreds of eggs.
overproduction
100
What is a fossil?
Ms. Massey is the final judge!
Solidified remains or imprint of a previously existing organism
100
Comparing different organisms' skeletal structure , DNA, and embryonic structures all provide evidence that supports the theory of ______________.
evolution
200
The smoky jungle frog blends in to the forest floor. What would this be called?
Acceptable answers:
camouflage
adaptation
200
What was his ship called? THE FULL NAME.
The HMS Beagle?
200
Which step of natural selection would the following statement model:
A population of aphids (an insect) contain some pesticide-resistant aphids and some that are not resistant to pesticides.
genetic variation
200
How old is the earth?
4.6 billion years old
200
Fill in the blank:
Charles Darwin made observations that became the foundation for his theory of evolution by ____________ ______________.
natural selection
300
There are two types of adapations. What are they?
Structural/Physical and Behavioral
300
The finches in the Galapagos islands can no longer interbreed. This means that they have...
a. not evolved.
b. a genetic resistance to reproduction of the species.
c. a long generation time.
d. evolved into different species.
D
300
Which step of natural selection does the following statement model:
The red-eyed tree frog hides in the leaves of a tree and only comes out at night.
Struggle to survive
300
Fill in the blanks:
Using fossils to compile a historical sequence of life would make a __________ __________.
fossil record
300
Why are there gaps in the fossil record?
Conditions to fossilize an organism are rare, so not all species are fossilized.
400
Structural and behavioral adaptations help organisms do what 3 things?
Find food, provide protection, and allow movement
400
According to Darwin what are the four steps of natural selection?
In no specific order...overproduction, genetic variation, struggle to survive, and successful reproduction
400
Insects may become increasingly hard to control because they can develop ____________ to many insecticides.
genetic resistance
400
Whales have remnants of hind limb bones embedded deep inside their bodies. These unused structures from a past life are called ___________ __________.
Vestigial structures
400
After 1850, dark peppered moths became more common than pale peppered moths. List three factors that made this happen!
Ms. Massey is the final judge!
1. industrialization
2. tree trunk color
3. moth-eating birds
500
Give an example of a structural AND behavioral adapation.
Ms. Massey is the final judge!
500
Which animal did Darwin study most on the Galapagos islands AND what part of the organism changed the most AND why did it change??? THREE ANSWERS REQUIRED.
1. finches
2. beaks
3. changed to adapt to the food supply
500
Give three reasons why speciation occurs. It's so sad.
Seperation, adaptation, and division
500
Scientists estimate that only 1/20 of 1% of all species have ever existed on Earth are living today. The other species have most likely...
a. left Earth
b. not yet been discovered in the rainforest
c. not yet been discovered in the ocean
d. become extinct
d. become extinct
500
Organisms produce more offspring that their environment can support and they compete with one another to survive. Both of these statements are...?
A. elements of natural selection
B. not elements of evolution
C. the only mechanisms of evolution
D. the beginning of evolution