Answer:They hypothesized that the transitional fossils were in sedimentary rocks older than 365 million years ago, when the first tetrapods appear in the fossil record.
Explanation:
Answer:
scientists can also analyze DNA to discover how closely organisms are related. Every living creature has DNA, which has a lot of inherited information about how the body builds itself. Scientists can compare the DNA of two organisms; the more similar the DNA, the more closely related the organisms.
Answer: That answer is completely FALSE
Explanation:
Answer:
To hinder a pathogen from entry into the body
Explanation:
This pathway can only act in the specific pthogen, making it specific
