Sister taxa Sister taxa represent a polytomy. represent the common ancestor of taxa. diverge from all other lineages early in the history of the group. represent groups of organisms that share an immediate common ancestor.

Which type of electromagnetic radiation is generated by heat lamps? radio waves microwaves infrared rays X-rays

What happens when an antibody binds an antigen

Are neuroglia or neurons more likely to give rise to tumors? why?

Which of the following is a period within the Cenozoic Era? Quaternary Tertiary both a and b none of the above

A client is taking low-dose aspirin daily for her heart. the client is not receiving all the dosage of the aspirin that is being ingested because of:

Under the Clean Air Act, science is the foundation for setting health-based air quality standards for certain common air pollutants.

In living organisms, lipids are used for O A. Quick energy O B. Transport O C. Insulation

Which process wears away tall sandstone rock formations due to wind? abrasion deflation impact plucking

Where does mitosis occur

The crucian carp, a Scandinavian fish, thrives in shallow ponds that freeze over during winter. While other creatures in the pond does from lack of oxygen, these carp are able to obtain energy through a biochemical pathway that does not require