Which of the following represents the smallest unit of life

Which is the main light-absorbing pigment for photosynthesis? carotene chlorophyll hemoglobin anthocyanin User: Which is an example of why the process of photosynthesis is important to life on Earth?

While studying for your physical anthropology midterm, your classmate tells you that the bones of Lucy, a famous australopithecine specimen that dates to about 3.2 million years ago, were dated based on carbon-14 analysis.

Which diseases are caused by viral infection? Anthrax West Nile Measles Hepatitis A Chicken Pox Tetanus Rabies Bubonic Plague Influenza (flu) Hepatitis B Mononucleosis Gonorrhea Lyme Disease Cholera Whopping Cough Common Cold

Which claim is best supported by the information about scales and feathers?

Lucy, the girl sitting behind you in your biology class, always gossiping about something that is someone else's business, tells you that she believes that Mary Lou likes Jimmy Joe. Lucy's statement could be everything but

Explain why you can't fully test the lipase activity in tube 5.

A. True b. False: chemicals that become contaminated, dry out, or oxidize can turn unstable and become potentially explosive chemicals (pec)

A long term change in Earth's overall temperature with massive and permanent ramification is called? Climate change Ocean acidifcation Greenhouse gas All of these

Biologists believe that gender differences arise from A. socialization. B. reinforcement and modeling. C. traits that ensured a person's survival and reproduction. D. a process of identification.

What would mostly likely happen to a person who is not getting enough essentials amino acids in his or her diet