Which are the major components of ribosomes? need asp

(a) single strands of sugar

(b) dna and proteins

(c) rna and proteins

(d) double strands of nucleic acids

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

How do living things obtain phosphorus

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.