True or false the five eukaryotic kingdoms include chromista, fungi, metazoa, plantae, and protista.

Tropical rain forests support more species per unit area than any other terrestrial ecosystem. what is one way rain forests are important to the health of the biosphere?

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine