13 If 90 families were lost in an extinction event that lasted 10 million

years, and cach family contained 200 species, how many species were

lost every 100,000 years during that period?

F. 90

M. 200

G. 180

I. 360

How chloroplast anatomy relates to photosynthesis?

What is the function of an enzyme

How does normal gene expression differ from epigenetic effects on the genome?

What does the shadow used by sundial to tell time look like in the morning, midday and evening

What is the chemical name for no2

What statement best describes an independent variable?. A. The factor that's changed by the experimenter and impacts the dependent variable. B. The factor that's not changed by the experimenter and is impacted by the dependent variable. C.

Which aspects of healthcare are affected by a client's culture? select all that apply?

The atmosphere contains about 80% Nitrogen gas but nitrogenIn this form cannot be used by plants Which process convert atmospheric nitrogen to a useful form for plants

What is the term for a male reproductive cell? A. Chromosome B. Gene C. Sperm D. Mitosis

Hunting reduced the population of northern elephant seals to as few as 20 individuals at the end of the 19th century.