They need water so they can survive and so they don't die of thirst
Answer:
Independent Variable: Give one group the drug and dont give the other group the drug
Dependent Variable:The data of if the drug improves the rats memory(if their memory is better, the same, or made worse)
Answer:
A lot of birds sing or dance to attract their mates or show off their beautiful colors. Fireflies flash their lights to attract females.
Explanation:
See answer above.
If you can please make my answer the brainliest that would be much appreciated. Thanks!
