Yes, dogs are scavengers by nature. They have evolved to scavenge for food in the wild, which is why they may exhibit behaviors such as digging through trash or begging for scraps. However, domesticated dogs are typically fed by their owners and may not need to scavenge for food as much as their wild counterparts. Nonetheless, the scavenging instinct remains a part of their natural behavior. **

Humans are not technically considered scavengers. While humans may scavenge for food in certain situations, our primary mode of obtaining food is through hunting, gathering, and agriculture. Scavengers typically rely on feeding off of the remains of dead animals or plants, which is not the main source of sustenance for humans. **

Homology is present in all vultures as scavengers. This is because all vultures share a common evolutionary ancestor and have similar anatomical features and behaviors that have been adapted for scavenging. These shared characteristics are considered homologous traits. Analogous traits, on the other hand, would be features that have evolved independently in different species to serve a similar function, which is not the case for vultures as scavengers. **

Scavengers typically have teeth and digestive systems that are adapted to consume a wide variety of foods, similar to omnivores. However, the specific adaptations can vary depending on the species and their diet. For example, some scavengers may have sharp teeth for tearing into carrion, while others may have grinding teeth for consuming plant matter found in their scavenged meals. Overall, scavengers and omnivores share similarities in their dental and digestive adaptations to help them efficiently process a range of food sources. **

Bodies can wash up on land despite the presence of scavengers in the world's oceans due to a variety of factors. For example, strong ocean currents and tides can carry bodies from the ocean to the shore. Additionally, the decomposition process of a body can cause it to bloat and float to the surface, where it can be carried by currents to the shore. In some cases, scavengers may not be able to consume an entire body, leaving parts of it to wash up on land. **

Bodies found in water can be washed up on land due to a variety of factors. Scavengers in the oceans may not always consume the entire body, leaving parts of it intact to eventually wash up on shore. Additionally, currents and tides can carry bodies from the ocean to the coastline. Decomposition processes can also cause gases to build up within the body, causing it to float and eventually be carried to land. **

No, scavengers like hyenas and vultures do not have toxic bacteria in their saliva like Komodo dragons. Komodo dragons have a unique oral bacteria that can cause a deadly infection in their prey, while hyenas and vultures do not possess this type of bacteria. Instead, these scavengers have strong stomach acids that help them digest and eliminate any harmful bacteria they may come into contact with while feeding on carrion. **

No, scavengers like hyenas and vultures do not have similar poisonous bacteria in their saliva like Komodo dragons. Komodo dragons have a unique type of bacteria in their saliva that can cause deadly infections in their prey. Hyenas and vultures rely on their strong stomach acids to digest their food, rather than relying on bacteria in their saliva to weaken their prey. **