1. Which of the following solid substances could be classified as the most dense? A. Solid A

B. Solid B

C. Solid C

D. It cannot be determined from the given information.

Choose The Correct one answer.

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

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