Biology c g a a u c study this genetic code. in order for this code to represent a piece of dna, which base must be replaced by thymine? a) adenine b) cytosine c) guanine d) uracil

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?