What is the difference between an endangered species and a threatened species

What term is used to describe organisms composed of identical and unspecialized cells?

Which is the major artery leaving the heart that takes oxygenated blood to body tissues?

Which of these statements is the main reason smallpox was eradicated a. the smallpox virus only infects humans b. the virus is inhaled or enters the body through the skin c. the virus can survive for long periods outside it's human host

Whst does the mitochondria do

What is the pathway of light? What is the pathway of sound? What is the pathway of blood?

Match the staining techniques with their purpose. A Negative stain such as India ink or Congo red. B The Gram stain C The Ziehl-Neelsen Acid-fast stain D Simple stain with a basic dye E The Schaeffer-Fulton Endospore stain Stain microbes a bright

Sandy puts a paper clip on the table and puts a magnet near the paper clip. The paper clip begins to move. What type of forces are acting on the paper clip?

Which statement is an example of absolute age? 1) Dinosaurs lived a long time ago 2) Trilobites lives before dinosaurs 3) Teachers are old 4) Dinosaurs went extinct 65.5 million years ago

Identify the structure in the cell that will produce atp from the starch building blocks

True or false: plant cell cytokinesis is different from animal cell cytokinesis because the contractile filaments found in plant cells are structures composed of carbohydrates and the cleavage furrow in animal cells is composed of contractile