How does the HPG acid control the uterine cycle? a. Rising estrogen from the vesicular follicle matures and maintains the stratum functionalis in the secretory phase
b. Progesterone from the corpus luteum causes the formation of a new stratum functionalis
c. When the corpus luteum degenerates to the corpus albicans, progesterone is lost and the stratum functionalis dies
d. If pregnancy occurs, the corpus luteum will continue secreting estrogen to maintain the stratum functionalis

Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***

Brendan made a diagram to compare and contrast the benefits of two types of social behavior. which description belongs in the area marked "z"? reproductionprotectionforaginghydrodynamic efficiency

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact use of manure and other organic fertilizers reduction in population of birds use of pesticides in farms increase in bird population in nearby wetlands impact of human activities human activity impact use of manure and other organic fertilizers reduction in animal population use of pesticides in farms increase in population of native insects and bugs impact of human activities human activity impact use of plastic decrease in marine animal population removal of beach grass increase in pollution of ocean impact of human activities human activity impact use of plastic increase in fish population removal of beach grass decrease in sand erosion