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TEK 7.12 BDF Science
Quiz by Jennifer Davis
Track each student's skills and progress in your Mastery dashboards
Which two body systems are primarily responsible for locomotion?
What are the main functions of the human skeletal system?
This drawing shows a human body system. What is the primary function of this body system?
Part of the human body system is pictured. The main function of this system is to -
When people run long distances, their muscles require increased amounts of oxygen. Which system is responsible for carrying this oxygen to the muscles?
Students view two different cells under a microscope. They record their observations in the table shown. Based on the organelles observed, the students determine that cell 2 is a plant cell because it has an organelle that -
Plants use energy from sunlight, water, carbon dioxide to produce sugar. Which structure is found only in plant cells and helps plants capture energy from sunlight?
Which statement best describes cell theory?
In the 1800s two scientist, Theodore Schwann and Matthias Schleiden, studied different types of organisms. After many years of studying a great variety of organisms, they are similar but independent conclusions about their observations.Â
Schwann studied animals and concluded that all animals are made up of cells.
Schleiden studied plants and concluded that all plants are made up of cells
Which statement was developed most directly from these conclusions and is part of the modern cell theory?
In 1838 botanist Matthias Schleiden determined that all plants are composed of cells.
In 1839 anatomist Theodor Schwann proposed that all animals are composed of cells. In 1855 biologist Rudolph Virchow added to Schleiden's and Schwann's observations and proposed that all living things are composed of cells.
Which statement is also part of Virchows cells theory?