!20 POINTS! Which behavior is an example of how animal communication helps a population survive?

A. A bird destroys another bird's nest so that it can nest in that spot.

B. Giraffes and zebras compete for water at the same watering hole.

C. Ants use their bodies to form a bridge that other ants can use to get to food.

D. A bee returns to the hive and shares the location of food with other bees.

According to the cladogram, which organisms have roundworms as a common ancestor?

If assuming tasting ptc as a simple gene trait,what other genotype would you select to put in this missing genotype box that could result in this phenotype

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.