Which of the following is the primary cause of the tragedy of the commons? a. Each individual has little stake in common resources.
b. Each individual has an enormous stake in common resources.
c. Humans are more selfish when they are being observed.
d. Humans are more selfish when they are free of government intervention.
e. Humans are more selfish when they are subject to government intervention.

Me with biology endocrine system crossword also image left i need with hw

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants. d- food molecules are broken down in the cells if living things.