Scientist classify animals and sort them into groups, vertebrate and invertebrate. how do scientists classify humans? a) scientists classify humans as vascular and as mammals. b) scientists classify humans as vertebrates and as mammals. c) scientists classify humans as invertebrates and as mammals. d) scientists classify humans as vertebrates and as amphibians.

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Label the steps for protein synthesis in order, beginning with the first steponce the protein is made, the gene for a particular trait is expressedmrna joins the ribosome, and the anticodons from trna join mrna to form a chain ofamino acidsrna polymerase unzips dna and free rna nucleotides join dna to form mrnav a chain of amino acids is formed from peptide bonds, creating a proteinmrna is transported from the nucleus of the cell to the ribosomes of the cell.

Which areas of earth receive the most precipitation on average? a. tropics b. temperate zones c. regions near 30? n and s latitudes d. polar zones 1