The basic life functions of an organism are carried on by

Which cell structure is found in plant cells, but not in animal cells?

The structures found in a living cell can be compared to the parts of a factory that produces cars. Which part of the factory is most similar to the nucleus of a living cell?

The flowchart below represents the process of photosynthesis. One step in the process is labeled X. Which activity occurs at X?

Which life process is shown by the equation below?

Which disease is a result of abnormal cell division?

Molecules move in and out of a cell by diffusion. How will the molecules in this illustration move as a result of diffusion?

Which example would result in new cells that are most different from the parent cells?

At which stage is fertilization occurring?

Between which two stages does cell division first occur?

Where does fertilization typically occur in humans?

Which of the following is true about fertilization?

Which disease is a result of abnormal cell division?

What is the name of the disease caused by the lack of insulin production?

Which disease affects the respiratory system and causes difficulty breathing?

Which factor does NOT affect the rate of diffusion?

What is the main driving force behind diffusion?

Which example would result in new cells that are most different from the parent cells?

Which organelle is responsible for producing energy in a cell?

The process of budding in yeast is best described as

During the process of budding in yeast, the new cell is genetically ________ to the parent cell.

Which three systems of the human body function together to move and control body parts?

Which system of the human body is responsible for pumping blood throughout the body?

Which system of the human body is responsible for removing waste and regulating water balance?

Which system of the human body is responsible for producing hormones that regulate various bodily functions?

Which system of the human body is responsible for protecting the body against pathogens and foreign invaders?

Which system of the human body is responsible for exchanging oxygen and carbon dioxide with the environment?

Which system of the human body is responsible for breaking down food into nutrients for energy?

Which system of the human body is responsible for supporting the body, protecting internal organs, and producing blood cells?

A change in the environment that causes a response is known as a

In biology, the process by which organisms maintain a stable internal environment is called

What is the term used to describe a sudden and often temporary change in behavior in response to a specific stimulus?

Which of the following statements about energy pyramids is true?

What is the primary source of energy for most ecosystems?

Which of the following best describes the role of decomposers in an ecosystem?

What type of organism is found at the base of an energy pyramid?

Which feature best distinguishes one form of electromagnetic energy from another?

What property of a sound wave determines its pitch?

Which type of electromagnetic radiation has the shortest wavelength?

Which property of a sound wave determines its volume or loudness?

What feature of a light wave determines the color we perceive?

Which property of a magnet determines its strength?

Which type of electromagnetic energy travels the fastest through a vacuum?

Which color of visible light has the longest wavelength?

Which type of electromagnetic wave is used for communication with satellites?

A common characteristic of sound waves is that they

Which of the following statements is true about sound waves?

How does the frequency of a sound wave affect its pitch?

Why do maglev trains float above the tracks as they travel?

Which statement is an inference?

Which statement is an inference?