PLEASE ANSWER ALL QUESTIONS Percentage of oxygen in inhaled air and exhaled air experiment.
Aim:

Hypothesis:

Variables:
a. Manipulated
b. Responding
c. Constant

Apparatus/Material:

Figure:

Procedures/Methods:

Observations:

Interprete Data:

Discussion:

Conclusion:​

Biochemistry, it deals with the chemical constitution, the breakdown and the synthesis of plant and animal products.

Wikipedia aswell can be used to solve the following questions

Telophase colchicine is a chemical obtained from plants that prevents the assembly of spindle fibers

Many archeologists and anthropologists disagree with dr. thorne's view.  thorne strongly believes that what many calls "homo erectus"  was in fact  homo sapiens,  and that they migrated out of africa almost 2 million years ago and dispersed throughout europe and asia. that's way different  from what scientists have always believed about the evolution of the species.