Plasmodial slime molds move by a. whipping their flagella. b. streaming along as a mass of cytoplasm. c. infecting a host organism. d. beating their cilia.

Ageologist determines that a sample of a mineral cant be scratched by a steel nail but can be scratched by a masonry drill bit based on this information the sample mineral has to be softer than

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.

Look at the inheritance patterns. what do you notice? can a single offspring inherit both chromosomes from one parent?