If two organisms have different traits, then they probably

OA) are currently evolving

OB) have differences in their DNA

OC) do not share a common ancestor

OD) have each developed unique mutations

Which factor would cause two specialized tissues that contain identical chromosomes to function differently? (1) Specific sections of DNA molecules in the chromosomes are activated.

The human trachea is prevented from collapsing by the presence of

What are some of the adaptations used by predators to capture prey? A. Some predators have large flat teeth used to grind seeds and other plant material. B. Many predators have a keen sense of smell and good hearing. C.

Six kindom of living things

The researchers discovered that the 12 populations could be organized into 3 distinct species. Populations A, B, and C each belong to a different species. Use the data in the grid to sort each population to the species to which it belongs.

Which vitamin does the human skin synthesize from the Sun's ultraviolet light?

Since dinosaurs cannot swim how can a fossil be found on all continents

Four different segments of a DNA molecule are represented below

Why is the action of phagocytes considered a nonspecific response? A It does not occur at any specific temperature. B It is not involved with the production of any specific type of lymphocyte. C It does not respond to any specific type of hormone.

Which statement best describes the relationship between the deer and the plants?