Events & Promotions
|
|
GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Apr 2610:00 AM EDT
-11:00 AM EDT
The Target Test Prep course represents a quantum leap forward in GMAT preparation, a radical reinterpretation of the way that students should study. Try before you buy with a 5-day, full-access trial of the course for FREE!
Apr 2711:00 AM EDT
-12:00 PM EDT
Prefer video-based learning? The Target Test Prep OnDemand course is a one-of-a-kind video masterclass featuring 400 hours of lecture-style teaching by Scott Woodbury-Stewart, founder of Target Test Prep and one of the most accomplished GMAT instructors
Apr 2808:00 AM PDT
-11:00 AM PDT
Whether you are just beginning your MBA journey or fine-tuning your path to a 700+ score, GMAT Day is designed to give you a competitive edge.
28 Nov 2024, 09:48
Kudos
Bookmarks
Some phylogenetic characteristics exhibit at least five different possible variations.: True
M. darwini has the highest number of characteristics with unknown data.: True
Each species listed in the Species column has at least one characteristic with unknown data among the 56 provided.: Fals
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
63% (02:53) correct
37%
(03:20)
wrong
based on 619
sessions
History
Date
Time
Result
Not Attempted Yet
Phylogenetics studies the evolutionary relationships between species based on their similarities and differences. The table provides phylogenetic data for 56 characteristics of 13 spider species in the Deinopidae family, organized into sets of 10 for easier visualization, except for the last column, which includes 6 characteristics (51 to 56). Each row represents a species, and each column corresponds to one of these characteristics. A digit indicates a variation of the characteristic, a dash (-) means the characteristic does not apply to that species, and a question mark (?) indicates that data for the characteristic is unknown.
For example, Character 50 represents the number of embolic coils. The digits in this column indicate different variations of the characteristic: 0 represents 2 coils, 1 represents 2.5 coils, 2 represents 3 coils, and 3 represents 3.5 or more coils. This approach helps summarize complex phylogenetic data into a simplified format for easier comparison and analysis.
For each of the following statements, select True if the statement can be verified to be true based on the information provided. Otherwise, select False.
| Species | Set 1–10 | Set 11–20 | Set 21–30 | Set 31–40 | Set 41–50 | Set 51–56 |
|---|---|---|---|---|---|---|
| Dictyna arundinacea | 00-0000000 | 00-0000--0 | 002100--00 | 00000000-0 | 100----30- | 00-000 |
| D. cylindrica | 1101000100 | 10-0011001 | 000-011001 | 11111110-1 | 0014010111 | 100??? |
| D. lamia | 1101001110 | 10-0011001 | 000-011010 | 000000?101 | 0010000011 | 110??? |
| D. spinosa | 1101001111 | 1101011001 | 000-011010 | 0000000101 | 0010000011 | 110121 |
| Menneus aussie | 0110011201 | 00-0011000 | 1011110151 | 1111111101 | 1112100013 | 000??? |
| M. bituberculatus | 0100011211 | 00-1011100 | 000-01002? | ?????????? | ?????????? | ?????? |
| M. capensis | 0100011211 | 00-0011000 | 0011110111 | 0000000101 | 1110011112 | 100121 |
| M. darwini | ?????????? | ?????????? | ?????????0 | 1111111111 | 1112100113 | 001??? |
| M. neocaledonicus | 0100010111 | 00-0000--0 | 100-010200 | 11100110-1 | 1114100010 | 000??? |
| M. quasimodo | 0110010101 | 00-0011000 | 100-01003? | ?????????? | ?????????? | ?????? |
| M. superciliosus | 0100011201 | 00-0011000 | 0110110121 | 0000001101 | 1112100313 | 000?21 |
| M. trinodosus | 0100011211 | 0101011100 | 100-010210 | 0000000101 | 1111011111 | 100?21 |
| M. wa | 0110011211 | 00-0011000 | 0111110121 | 111111?101 | 1113000013 | 000??? |
For example, Character 50 represents the number of embolic coils. The digits in this column indicate different variations of the characteristic: 0 represents 2 coils, 1 represents 2.5 coils, 2 represents 3 coils, and 3 represents 3.5 or more coils. This approach helps summarize complex phylogenetic data into a simplified format for easier comparison and analysis.
For each of the following statements, select True if the statement can be verified to be true based on the information provided. Otherwise, select False.
| True | Fals | |
| Some phylogenetic characteristics exhibit at least five different possible variations. | ||
| M. darwini has the highest number of characteristics with unknown data. | ||
| Each species listed in the Species column has at least one characteristic with unknown data among the 56 provided. |
ShowHide Answer
Official Answer
Some phylogenetic characteristics exhibit at least five different possible variations.: True
M. darwini has the highest number of characteristics with unknown data.: True
Each species listed in the Species column has at least one characteristic with unknown data among the 56 provided.: Fals
01 Dec 2024, 20:45
Kudos
Bookmarks
Bunuel
Official Solution:
Statement 1:
For a characteristic to have at least five different possible variations, its column must include at least a 4, meaning the characteristic could have variations of 0, 1, 2, 3, and 4. This ensures there are at least five unique variations for that characteristic. From the table, we can see that Character 29 for Menneus aussie has a variation of 5, and Character 44 for D. cylindrica and M. neocaledonicus also shows a variation of 4. Therefore, this statement is True.
Statement 2:
The species with the highest number of characteristics with unknown data would have the most question marks (?) in its row. Checking the table, we see that M. darwini indeed has the highest number of question marks, totaling 29. Therefore, this statement is True.
Statement 3:
Upon examining the table, we find that Dictyna arundinacea, M. capensis, and D. spinosa do not have a question mark (?) in their rows. Therefore, this statement is False.
Correct answer:
Some phylogenetic characteristics exhibit at least five different possible variations. "True"
M. darwini has the highest number of characteristics with unknown data. "True"
Each species listed in the Species column has at least one characteristic with unknown data among the 56 provided. "False"
Attachment:
GMAT-Club-Forum-s7c4j10u.png [ 25.42 KiB | Viewed 3128 times ]
General Discussion
30 Nov 2024, 18:00
Kudos
Bookmarks
1. We are asked to check if the following statements are true or false.
2. Some phylogenetic characteristics exhibit at least five different possible variations. Set 29 has 0, 1, 2, 3, 5 and Set 44 has 0, 1, 2, 3, 4. This means that both sets have at least 5 different variations. So, this statement is true.
3. M. darwini has the highest number of characteristics with unknown data. Visibly, only three species have a lot of unknowns: M. bituberculatus, M. darwini, and M. quasimodo. Counting the number of "?" gives 26, 29, 26, respectively. This means that M. darwini has the most unknowns. So, this statement is true.
4. Each species listed in the Species column has at least one characteristic with unknown data among the 56 provided. Dictyna arundinacea, for example, has data which is all known. So, this statement is false.
2. Some phylogenetic characteristics exhibit at least five different possible variations. Set 29 has 0, 1, 2, 3, 5 and Set 44 has 0, 1, 2, 3, 4. This means that both sets have at least 5 different variations. So, this statement is true.
3. M. darwini has the highest number of characteristics with unknown data. Visibly, only three species have a lot of unknowns: M. bituberculatus, M. darwini, and M. quasimodo. Counting the number of "?" gives 26, 29, 26, respectively. This means that M. darwini has the most unknowns. So, this statement is true.
4. Each species listed in the Species column has at least one characteristic with unknown data among the 56 provided. Dictyna arundinacea, for example, has data which is all known. So, this statement is false.
