Recall that zajonc placed cockroaches either in a complex maze or a simple maze. he created three other conditions as well. any given cockroach was induced to navigate the maze (a) entirely alone, (b) in the presence of an "audience" of cockroaches, or (c) simultaneously with another cockroach (but without an audience). the audience condition (b) permitted zajonc to demonstrate whether:
a. audiences pay attention to competitors.
b. the mere presence of others can facilitate or hinder performance.
c. complex tasks are performed less well than simple tasks.
d. competitive situations are preferred over solitary situations.

Turtle hatchling survivorship rate is low in many turtle species due to predation. amanda researched the predatory rate on a species of turtle eggs in the red river. the eggs were harvested from trapped turtles and the egg's cloaca film (reproductive discharge) was either washed off or left on once gathered. research suggests that predators use the female's cloaca scent to locate the eggs. the eggs were only handled when wearing gloves and then reburied along islands where the turtles were trapped. the nests were monitored by cameras and manually on foot and data on nest predation were recorded. a. based on the experimental design, what is the dependent variable? b. based on the experimental design, what is the independent variable? c. based on the experimental design, what is the control?

How does climate change affect producers?

When mitochondrial dna from living relatives was compared with mitochondrial dna from the skeletons, scientisits determined that skeletons 3,4,5,6 and 7 were members of the romanov family. which of these skeletons can be identified by name based on the evidence you have? explain your answer.