All the organisms on your campus make upa. an ecosystem.b. a community.c. a population.d. the biosphere.

Which of the following systems does not display emergent properties?

Which of the following can best be considered a biological system?

In an ecosystem, nutrients __________ and energy __________.

All the organisms on your campus make up a. an ecosystem.b. a community.c. a population.d. a taxonomic domain.

A biologist studying interactions among the bacteria in an ecosystem could not be working at which level in life's hierarchy? (Choose carefully and explain your answer.)a. the population levelb. the molecular levelc. the organism leveld. the organ level

DRAW IT With rough sketches, draw a biological hierarchy similar to the one in Figure 1.3 but using a coral reef as the ecosystem, a fish as the organism, its stomach as the organ, and DNA as the molecule. Include all levels in the hierarchy.

Biology can be described as having both a vertical scale and a horizontal scale. Explain what that means.