As women reach the climacteric, their menstrual cycles: Group of answer choices become more and more irregular, but they never completely stop. become irregular, and gradually stop altogether. continue regularly for the remainder of their lives. stop all at once.

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts

An easy way to calculate the amount of energy available at each level is to what?

What is true of sea slugs in these orders