The diagram below shows a portion of the geologic time scale. Based on the time scale, it can be concluded that

A. animals appeared on Earth before flowering plants.
B. land animals created the first oxygen molecules.
C. flowering plants appeare on Earth before animals.
D. flowering plants created the first oxygen molecules.

What are the types of mutations, and how does each alter the encoded protein? college level answer

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community