The small white insects (cochineal) that live in the arroyo seco, mostly on top of the beaver tail cactus and sucks sap and water from the cactus, without providing anything for the cactus in return, is an example of

A typical cell spends most of its time in which phase of the cell cycle?

During this type of digestion, enzymes break down food into smaller molecules. A:Physical B:Mechanical C:Chemical D:Carbohydrate

Cells get rid of waste to sustain the life of the organism. This statement supports which part of the cell theory? A. Cells are the basic unit of life. B. All cells come from pre-existing cells. C. All organisms are made up of 1 or more cells.

Rabbits and sheep both graze on shrubs, grasses, and other plants. The sharp rise in the population of rabbits in a region may result in a shortage of plants for sheep to graze upon This relationship between sheep and rabbits is an example of

What are the 3 differences between DNA and RNA

Which list correctly describes the three domain systems for classifying organisms A. bacteria, archaea, eukarya B. Darwin, Linnaeus, lamarck C. animalia, planter, fungi D. None of the above

Elephant seals are abundant in their population size but they have low genetic diversity within their species due to overhunting by humans in 1890s. Why might the survival of this species be threatened in the future?

What kind of phytoplankton is Noctiluca? Describe its physical features. Where does it live, and what does it eat? What special ability does the Noctiluca have? What is this special ability called? How does this special ability happen scientifically?

A cell that requires a lot of energy might contain large numbers of what organelle

Considering the carbon cycle, which of the choices would result if a large area of forest were burned?