Aset of complex feeding relationships in which a single organism might be both a primary and secondary consumer is best shown using a(n) a. ecological level. b. trophic level. c. biomass pyramid. d. food web.

Which image shows labeled organelles that are present only in plant cells?

Astore manager timed janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a scarf. it took her 26.1 seconds for the shirt, 24.3 seconds for the sweater, 32.8 seconds for the pants, and 18.2 seconds for the scarf. what was the average time it took janette to fold and put away all four items? during a catered lunch, an average of 4 cups of tea are poured per minute. the lunch will last 2 hours. how many gallons of tea should the caterer bring if there are 16 cups in one gallon?

All phases of matter may have a fixed mass