Conclusion

Alright, I think that is probably enough phylogenetic tree making for today. Hopefully, you can now be able to read these amazing evolutionary tools. And now some final EOC questions and essay!!! Yay!

This cladogram shows the evolutionary relationships among some mammals based on homologous structures

Which statement is supported by this cladogram?

(1 point)
Responses

Cows and mouse deer are more closely related than javelinas and pigs.
Cows and mouse deer are more closely related than javelinas and pigs.

Toothed whales are more closely related to mouse deer than to hippopotamuses.
Toothed whales are more closely related to mouse deer than to hippopotamuses.

Javelinas and pigs are more closely related than baleen whales and toothed whales
Javelinas and pigs are more closely related than baleen whales and toothed whales

Hippopotamuses are more closely related to cows than to javelinas
Hippopotamuses are more closely related to cows than to javelinas
Question 2
Scientists can determine relatedness among organisms by comparing partial amino acid sequences. The table shows four partial amino acid sequences from four organisms.

Organism 1 SER LEU VAL GLU
Organism 2 LEU SER ASN VAL
Organism 3 ALA LEU SER GLU
Organism 4 THR LEU SER GLU


(1 point)
Responses

Organism 1
Organism 1

Organism 2
Organism 2

Organism 3
Organism 3

Organism 4
Organism 4
Question 3
The relationships among different orders of millipedes are shown in the cladogram.

Based on this cladogram, which statement best describes relationships among millipede orders?

(1 point)
Responses

Stemmiulida is more closely related to Merocheta than Penicillata is to Merocheta.
Stemmiulida is more closely related to Merocheta than Penicillata is to Merocheta.

Spirostreptida is more closely related to Glomerida than Sphaerotheriida is to Glomerida.
Spirostreptida is more closely related to Glomerida than Sphaerotheriida is to Glomerida.

Polyzoniida is more closely related to Glomeridesmida than Sphaerotheriida is to Glomeridesmida.
Polyzoniida is more closely related to Glomeridesmida than Sphaerotheriida is to Glomeridesmida.

Merocheta is more closely related to Glomeridesmida than Glomerida is to Glomeridesmida.

Merocheta is more closely related to Glomeridesmida than Glomerida is to Glomeridesmida.

Essay: Phylogenetic trees are powerful tools that help us understand the evolutionary relationships among different organisms. By analyzing similarities and differences in homologous structures, DNA sequences, or protein sequences, scientists can create phylogenetic trees to represent these relationships. These trees provide valuable insights into the common ancestry of organisms and how they have evolved over time.

Furthermore, phylogenetic trees can help us make predictions about the characteristics of unknown or extinct species based on their placement in the tree. By studying the branching patterns and relationships among different taxa, we can infer information about their traits, behaviors, and ecological roles.

In conclusion, phylogenetic trees are essential tools for studying evolutionary biology, biodiversity, and the history of life on Earth. They provide a visual representation of the interconnectedness of all living organisms and help us uncover the evolutionary history that has led to the diversity of life we see today.

answer all of them

Certainly! Here are the responses to all the questions:

Question 1: Cows and mouse deer are more closely related than javelinas and pigs.

Question 2: Organism 3

Question 3: Merocheta is more closely related to Glomeridesmida than Glomerida is to Glomeridesmida.