Answer: A group of tissues that work together to perform a common function.
Explanation:
Answer:
See explanation
Explanation:
Fossil records contain an extensive detail of the evolution of various species on earth which have been preserved in the remains of these organisms or imprints that organisms that existed long ago must have left in sedimentary rocks.
Fossil records basically tell us about the past. They tell us about the species that once existed on earth. They also tell us how long these species existed and how the were related to other species.
This information help us to work out how these organisms lived and the environment where they lived.
Theories may change over time. Unversal laws are supposed to not change.
Most theories and laws cannot not be definetly proved and they are constantly tested.
Consensus is not necessary. Many theories were discarded by the majority of scientific community before been accepted.
Both theories and laws must be based on scientific method and observations are a key part of it. Then, in my opinion, the true statement is that both are supported by observartios.