Plants use photosynthesis
Answer: <u><em>D. An observation that has a number associated with it</em></u>
Explanation: The answer is D. An observation that has a number associated with it. I would explain further, but it is pretty self explanatory.
<em>Good luck!</em>
The DNA controls the characteristics of an organism. I
It proclaims your sex or gene.
Answer:
The most obvious difference: A sperm cell is a reproductive cell of males while egg cells are of females. Both egg cells and sperm cells depend on each other for the reproduction of a human life. Both egg cells and sperm cells undergo meiosis.
Explanation: