Which of the following statements are true about natural selection? (fitness is defined as -- inherited characteristics that increases an organisms chance of survival)
a. it selects traits that increase fitness b. it takes place without human control c. it can be observed directly in nature d. it leads to an increase in a species' fitness a a only b a and b only c c only d a, b and c only

and plz !

Protein synthesis actually begins in the nucleus when transcribes a single gene on the dna molecule is copied. the process of copying this gene is called this copy is known as and contains the protein building instructions. this copy is sent out into the cytoplasm to the part of the cell known as the the of the ribosome will join together to form a functional ribosome when they attach to the mrna. as the mrna moves through the ribosome, the message is read by transfer rna brings the correct back to the ribosome. the amino acids are placed in the correct order and are hitched together by

What is used to keep track of the gamates and possible offsprings combination

Which animal is a producer in this ecosystem