4.) We discussed how Horseshoe Crab populations have decreased dramatically over the years. Humans use Horseshoe Crabs for livestock feed, fertilizer, and medical testing. Give 2 possible solutions to help the crab
population rebound, and defend why those ideas would help.
Solution
Why?
1.)
2.)

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.

According to these anatomical structures which two animals are probably most closely related

Which of the following is the best definition of a eukaryota? a. a one-celled organism that does not have a membrane-bound nucleus b. a one-celled organism that does not have a cell wall c. an organism whose cells each contain a membrane-bound nucleus d. an organism whose cells each have a cell wall