Examples of homology or evolutionary analogy
Are the limbs modified in the wings of bats and wings of bird’s examples of homology or evolutionary analogy? What about whale fins compared to the fish fins?
Expert
Bat and bird wings have the similar function and the similar origin (they are modified in limbs) so they are homologous and analogous organs. Whale fins are a modification of posterior limbs while fish fins though having the similar function don’t come from modified limbs; so they are analogous however not homologous structures.
Evolutionary homology suggests general ancestry while biological analogy relates to concept of the evolutionary convergence, the appearance of same aspects in evolutionarily distant species which explore the similar type of environment (in the mentioned case, aquatic habitat).
Define the term direct development? Is there a larval phase in the planarias?
Name some of the hormones which participate in the regulation of digestive secretions?
What process causes bread to rise and what is the product
Explain the closed circulatory system?
Is mRNA molecule codifies only one type of the protein?
From intestinal lumen through to tissues - Explain the route of nutrients after they get digested?
Write a short note on the functions of calcitonin? Also write its features.
How do calcium ions contribute in the muscle contraction? Why do both muscle relaxation and muscle contraction spend energy?
Automated Web-Based Homology Modeling: There are some web based techniques to generate models of protein three dimensional structures which uses comparative modeling techniques. • SWISS-Model: This can be acce
How arthropods grow?
18,76,764
1959400 Asked
3,689
Active Tutors
1460776
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!