Answer:
The answer is D. A 200-million-year-old fossil of a flying mammal.
Answer:
Meiosis I, the first meiotic division, begins with prophase I. During prophase I, the complex of DNA and protein known as chromatin condenses to form chromosomes. The pairs of replicated chromosomes are known as sister chromatids, and they remain joined at a central point called the centromere.
Explanation:
C. How can we make an artificial heart
True. He obtains energy then uses it to get more.
There are many steps in designing and conducting a scientific experiment, but the main ones are a hypothesis, trials, step/procedures, and a conclusion/review