True
Crossing over involves homologous chromosome pairs "crossing over" and exchanging genetic information.
I have attached an image that might help you understand the concept a bit better.
I hope this helps! I'm happy to answer any other questions you might have :)
[Image sourced from: http://www.qsstudy.com/biology/define-crossing-importance]
16. Science is the study of the natural world by gathering information and data but technology needs science to create devices, ie. (phones, tablets, laptops).
17. Life and Earth.
18. A scientific law is the description of an observed phenomenon, and, the explanation of the phenomenon is therefore called the scientific theory.
19. 1.) ask questions.
2.) do a background research.
3.) create a hypothesis
4.) test your hypothesis with experiments and etc..
5.) review your data and create a conclusion.
6.) talk about your results, (what, why, how).
Good luck!
Im pretty sure its hypothesis
Answer:
food and chemical reactions