The answer is D. Just think how hard it would be to see a moth of that colour when just about everything during that time period is grey.
Sodium fluoride is a chemical that is added in many municipal water supplies to prevent tooth decay. You can even find it in your toothpaste if you look at the ingredients. Sodium fluoride is a very safe and effective chemical used in lots of oral products because of its benefits against tooth decay. Hope this helps!
Answer:
1. Response
2. Interneurons
3. Motor neuron
4. Effector, anterior root, spinal cord
5. Anterior root
Answer:
Independent Variable: Hours of sleep
Dependent Variable: Test scores
Experimental Group: Group A
Control Group: Group B
Explanation:
Hours of sleep is the independant variable because it is the factor being tested by the teacher. This is the factor that can be controlled.
Test scores is the dependant variable because it is the factor being affected by the changes in the independent variable. This is the variable being measured.
Group A is the experimental group because this is the one that has been altered or changed from what is normal.
Group B is the control group because nothing is being changed in this group but simply measured as a basis for comparison.
Answer:
Explanation:
they can not chose to adapt. adaptations occur over a very long period time(darwinism) Evolution is not selective in the sense that the organism being changed can choose.
