Which of the following is not true about performing biological investigations?
a. reading and understanding the steps before conducting an experiment is necessary for safety.
b. scientists are trained to conduct their investigations safely.
c. the metric system and the revised si are based on multiples of 10.
d. most scientists do not use the metric system or si.

Listed in the item bank are some key terms and expressions associated with the categories seen in the venn diagram. to find out more information about items, some have more details available when you click on them. drag and drop each item onto the proper area of the diagram. if an item describes more than one category, be sure to place it in the overlapping space. viruses are tiny infectious pathogens that cause many different diseases, such as polio, and the flu. though they are similar to one celled organisms in some ways, in many ways they are very different. use the venn diagram below to show the similarities and differences between viruses and living organisms.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.