1. Describe the approaches used and the basic tenets of the science of biology. 2. Identify the principles of evolution. 3. Describe the structure and division of living cells. 4. Explain DNA biology and how it influences cancer and other diseases. 5. Compare and contrast the characteristics of viruses, bacteria, […]

Cross was made between two strains of plants that are agriculturally important, one strain was disease resistant but herbicide sensitive, the other strain was disease sensitive but herbicide resistant. A plant breeder crossed the two plants and then allowed the F1 generation to self-fertilization. The following data were obtained: F1 […]

1. What are some examples of arthropods? 2. What are the classes into which the phylum Arthropoda is divided? What are the three main classes and some of their representative species? 3. What are the main morphological features of arthropods? 4. In terms of germ layers and the presence of […]

Q1. A marine biologist has dredged up an unidentified animal from the sea floor A marine biologist has dredged up an unknown animal from seafloor. Explain some of the characteristics she must look at to determine the phylum to which animal have to be assigned. Describe how to determine if […]