An example of homologous structures would be our front teeth and ___:
a. the mandibles of a crab
b. the mouthparts of a mosquito
c. the beak of a bird
d. the tentacles of a sea worm
e. the front teeth of a horse
I'm having difficult on which answer is right (my answer would be E.) and to my understanding homologous structures are parts of the body that are similar in structure to other species' comparative parts. If you can explain if would be very helpful. Thanks!
I agree with your answer.
Correct! Option E, the front teeth of a horse, is an example of homologous structures with our front teeth. Homologous structures are body parts that are similar in structure but may have different functions. They indicate a common ancestry between organisms. To determine which answer is correct, we need to compare the structures mentioned to our front teeth.
Option A, the mandibles of a crab, are not homologous to our front teeth. While both structures are involved in feeding, their structure and function are different.
Option B, the mouthparts of a mosquito, are also not homologous to our front teeth. Mosquito mouthparts are specialized for piercing and sucking, while our front teeth are used for biting and chewing.
Option C, the beak of a bird, is not homologous to our front teeth. The beak is a modified structure adapted for various functions like grasping, piercing, or filtering, while our front teeth are specialized for biting and chewing.
Option D, the tentacles of a sea worm, are not homologous to our front teeth. Tentacles are specialized structures used for sensing and capturing prey, while our front teeth are involved in the process of mastication.
In summary, the front teeth of a horse (option E) are the most similar to our front teeth in terms of structure and function and can be considered homologous.