NEED HELP ASAP

A - birth rate of species
B - structure of organisms
C - reproduction system of animals
D- average number of prey animals consumed by a predator

Which codon is the code for the amino acid histidine (his)?

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.