ANIMAL REPRODUCTIVE PHYSIOLOGYintermediate
Explain how the bull-attraction example demonstrates both visual and chemical communication.
Answer
The bull may be attracted by seeing cow-to-cow mounting, which is a visual cue. It may also respond to olfactory cues: pheromones in vaginal secretions and urine can be detected through smell. The example demonstrates that more than one communication channel can contribute to an animal's response.
Explanation
A strong answer distinguishes the two channels. Seeing **cow-to-cow mounting** is visual communication, while detecting pheromones in **vaginal secretions or urine** is chemical communication received through smell. The example illustrates that animal behavior can be influenced by more than one sensory cue at the same time.\n\n**Key takeaway:** Visual and olfactory signals can jointly inform reproductive behavior.\n\n**Glossary:** **Olfactory cue**: A signal detected by smell; **chemical communication**: Transfer of information through chemical substances.
Related Questions
- A bull's response to cow-to-cow mounting is described as an example of a visual cue.(basic)
- Which set contains only roles attributed to hormones in the slides?(basic)
- Chemical messengers in the human body can be produced by several different cell types, including endocrine cells, neurons, and immune cells.(basic)
- According to the slides, all hormones travel only through the bloodstream.(basic)
- Select ALL examples of pheromone functions identified in the slides.(intermediate)
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