In 1783 antoine lavoisier showed that the heat produced by respiration was comparable to the heat produced when charcoal was burned. this experiment shows the similarity between respiration and
a. boiling
b. combustion
c. ignition
d. melting

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.

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. ***