Which of these is NOT a direct factor that controls biotic potential?

a. The resources available for each individual

b. Genetic mutations

c. The age at which reproduction generally begins

d. Reproductive rate

e. Predators and pathogens

Specialized cells and organs are necessary in multicellular organisms becasue in these organisms

A scientist viewing a cell under a microscope sees that it has a cell wall and a large number of ribosomes. Based on these observations, which conclusion is most suited to what the scientist sees in the microscope?

Organisms have two homologous chromosomes for every chromosome because: A. They replicate their chromosomes (DNA) prior to cell division B. They get one from each parent during fertilization C. The more the better

David wants to improve the food shortage situation in his country. Which of these fields of biology should he study? A. pathology B. agriculture C. evolutionary biology

What was the purpose of including a quadrant to which no lysozyme was added?

When both forward and reverse changes are physical changes, the resulting equation represents what?

Dr. Jones a botanist observes the flowers of the same species express a slightly different shade of red coloring based on where the plants are located within her greenhouse she hypothesizes that the more sunlight the flowers receive the darker red

What is a major difference between prokaryotes and eukaryotes? prokaryotes have no nucleus. all prokaryotes cause disease. eukaryotes contain more mitochondria. nucleic acids are founds only in eukaryotes.

Match the following words with their meaning. Part A1. Typhus fever 2. strep throat 3. diarrhea 4. staph infections 5. tuberculosis 6. Lyme disease Part Ba. Rickettsia prawazekii b. Escherichia coli c. Streptococcus pyogenes d.

Which of the following is NOT a component of the lymphatic system? Appendix Spleen Tonsils Adenoids All of the above are components of the lymphatic system.