Asked by Rachel

What is it called when b=d and r=0?
A. iteroarity
B. semelparity
C. zero population growth
D. cohort
E. a survivorship curve

I think it is E but I would greatly appreciate a teacher's input!
Answered by Ms. Sue
Since Jiskha doesn't have a regular biology tutor, try asking your questions in this forum:

http://www.biology-online.org/biology-forum/

Answered by SraJMcGin
This looks more like an algebraic problem?

Sra