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Q 1/56
Score 0
Which of the following ideas was NOT part of Darwin's contribution to science?
30
descent with modification
natural selection
survival of the fittest
inheritance of acquired characteristics
Q 2/56
Score 0
Darwin first began to formulate his concept of evolution by natural selection after
30
experimenting with animals
observing patterns among the geographical location of certain species
agreeing with Lamarck about the driving force behind evolution
reading the writings of Wallace
56 questions
Q.
Which of the following ideas was NOT part of Darwin's contribution to science?
1
30 sec
Q.
Darwin first began to formulate his concept of evolution by natural selection after
2
30 sec
Q.
Charles Darwin called the ability of an organism to survive and reproduce in its specific environment
3
30 sec
Q.
According to Darwin's theory of natural selection, individuals who survive are the ones best adapted for their environment. Their survival is due to the
4
30 sec
Q.
Anatomical structures that have similar bone structure but do not have similar functions are called:
5
30 sec
Q.
Natural selection acts directly on
6
30 sec
Q.
If a mutation introduces a new skin color in a lizard population, which factor might determine whether the frequency of the new allele will increase?
7
30 sec
Q.
Species Y and Z have very similar proteins, genes and genetic sequences. What is most likely true about these two species? Species Y
8
30 sec
Q.
Anatomical structures that have similar functions but do not have similar structures are called:
9
30 sec
Q.
The process by which one species significantly influences the evolution of another species is called:
10
30 sec
Q.
Change in a population over a period of time is known as
11
30 sec
Q.
Whenever two populations try to occupy the same niche(habitat)
12
30 sec
Q.
Which is NOT part of the theory of natural selection?
13
30 sec
Q.
Evolution that produces similar characteristics in unrelated species is
14
30 sec
Q.
During Darwin's visit to the Galapagos Islands, what did he observe about finches?
15
30 sec
Q.
Which term describes structures similar in purpose but not inherited from common ancestors?
16
30 sec
Q.
Which structure does NOT link species together with a common ancestor?
17
30 sec
Q.
Evolution is caused
18
30 sec
Q.
Natural selection causes
19
30 sec
Q.
The human arm, the whale fin, and the bat wing are traits that may have evolved from a common ancestor. They are
20
30 sec
Q.
The theory of evolution predicts that
21
30 sec
Q.
The evolution of one or more species from a single ancestor species is
22
30 sec
Q.
Strong evidence for evolution comes from
23
30 sec
Q.
Structures that are present in an organism but are reduced in size and have little or no function are called
24
30 sec
Q.
34. The characteristics of the individuals best suited to a particular environment tend to
25
30 sec
Q.
Darwin conducted most of his research
26
30 sec
Q.
When the same species inhabits two different environments (example Darwin's Finches), what occurs?
27
30 sec
Q.
If mates, shelter, food become limited competition decreases.
28
30 sec
Q.
Which gas was NOT available in early Earth?
29
30 sec
Q.
The theory of Endosymbiosis explains
30
30 sec
Q.
___________ & _________________ are organelles that definitely arose from endosymbiosis.
31
30 sec
Q.
Evolution is a very rapid process, taking only 1-2 generations for a species to fully change.
32
30 sec
Q.
What is a half life?
33
30 sec
Q.
The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 7.2 minutes has elapsed?
34
30 sec
Q.
After the third half-life, how much of the sample is left?
35
30 sec
Q.
The half life of iodine-131 is 8.040 days. What amount of an iodine-131 sample will remain after 40.20 days if the original amount was 50 g?
36
30 sec
Q.
A fresh sample weighing 80 g was obtained. It takes 10 minutes to set up an experiment using barium-122, when the scientist starts the experiment they have 20 g. What is the half life of barium-122?
37
30 sec
Q.
The half-life of strontium-90 is 25 years. How old is the rock if a sample of 90g decayed to 11.25g?
38
30 sec
Q.
Tin-126 has a half-life of 100,000 years. How many years does it take to reduce a 100 g of Sn-126 to 12.5 g?
39
30 sec
Q.
The half-life of cobalt-60 is 5 years. If you have 10 grams of Co-60, how much do you have after 15 years?
40
30 sec
Q.
If you started with 20 grams of Pa-226 and end with .625 g after 72 minutes. How long is the half life of Pa-226?
41
30 sec
Q.
Fluorine-21 has a half life of approximately 25 seconds. If 10 g remains after 100 seconds. What is the original amount?
42
30 sec
Q.
What is the starting amount if you have 25 g remaining after 120 days?The half life of iodine-125 is 30 days.
43
30 sec
Q.
Using the chart calculate the age of the fossil, if it originally started with 10 g but now has only 2.5g.
44
30 sec
Q.
Using the chart above, identify how old a sample of Iodine-131 is if it started with 900g and now has 56,25 g remaining.
45
30 sec
Q.
What did the Miller-Urey experiment prove?
46
30 sec
Q.
Which of the following gases is least likely to have existed in the early atmosphere of the earth?
47
30 sec
Q.
Which of the following was not a source of energy on the early earth?
48
30 sec
Q.
Which of the following traits evolved last (i.e., most recently)?
49
30 sec
Q.
Miller and Urey's experiments proved that
50
30 sec
Q.
The Miller-Urey experiments yielded
51
30 sec
Q.
________ created the theory of inheritance of acquired characteristics
52
30 sec
Q.
Who proved Lamarck's theory wrong, years later?
53
30 sec
Q.
The idea of acquired characteristics says that _________
54
30 sec
Q.
The first cells on Earth were heterotrophic and prokaryotic.
55
30 sec
Q.
Put the list in order of the first life form on earth to last:
A. Multicellular organisms
B. Chemosynthetic Prokaryotes
C. Heterotrophic Prokaryotes
D. Eukaryotes
E. Photosynthetic Prokaryotes