Consider that a species of salmon lays 20,000 eggs per pair when it spawns and dies. at the end of five years, an average of one pair of mature salmon from this group of hatched eggs returns again to spawn in the parent stream (19,998 have died). what is the per capita rate of increase?

Where do homologous chromosomes exchange genetic material through crossing over?               a.  chlorophyll    b.  centrosomes    c.  centromeres    d.  chiasma

Select the correct answer. which scenario describes unethical lab behavior? o a. danny stores the chemicals required for his experiment in flasks and beakers. b.anna publishes the results of her experiment on the growth rate of saplings. c.jason repeatedly runs an experiment until he gets the results he desires. d. mia records her observations of an experiment precisely and accurately.

Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms