Your colleague proposes to test the mechanism of ant navigation by placing a food source 7 m from the nest. she will then pick up the ants from the nest and move them 4 meters from the nest (3 m from the food source). based on the previous data, when do you expect the ants to start searching for their nest on their return trip

The “ecological footprint” left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.