Answer: (A) The conclusion is valid because the independent and dependent variables in experiment were controlled.
Explanation: There are some basics requirements in order for an experiment to be valid: hypothesis, monitoring, independent and dependent variables and constants.
Answer:
(look at explanation)
Explanation:
A new branch in a cladogram is given when a new trait arises that sets apart those organisms from the rest of the clade. ... Although the organisms within a clade and their shared ancestor will have similar characteristics each branch will have a unique character or trait.
The coastline experiences tidal bulge twice a day. :3 Good luck!
Answer:
Prophase 1
Explanation:
In prophase 1, homologous chromosomes pair up and exchange sections of DNA in a process called crossing over.
