stays the same during the entire experiment
What is the constant
Basic units of structure and function in living things.
What are cells
A specialized structure that performs important cellular functions within a eukaryotic cell.
What is an organelle?
Four stages of mitosis
What are
Prophase
Metaphase
Anaphase
Telophase
Changes over time that occur in the traits of a species.
What is evolution?
Observation based in numbers
What is quantitative
An instrument with lenses that uses electrons or light that is used to observe objects too small to be visible with only the eyes.
What is the microscope
The center of the atom which contains the protons and neutrons; in cells, the structure that contains the cell's genetic material (DNA) and controls the cell's activities.
What is the nucleus?
Cell division in which the nucleus divides into nuclei containing the same number of chromosomes
What is mitosis?
Different forms of a trait in a species (example- gray and black moths).
What is variation?
The most reliable source of scientific information
What is a scientific journal
used to see/study things that are smaller than cells such as virus or DNA molecule.
What is the electron microscope
The material inside the cell membrane - not including the nucleus.
What is cytoplasm?
division of the cytoplasm & its organelles after mitosis is complete
What is cytokinesis?
A group of organisms of species that live in the same area.
What is population?