Usual method of cell division.
What is mitosis?
The partial or complete interception of the light of one component of an object by another.
What is an eclipse?
An individual form of life that is capable of growing, metabolizing nutrients, and usually reproducing.
What is an organism?
The outermost layer of cells in plants, protects from infection.
What is a cell wall?
Something that drains or flows off, as rain that flows off the land in streams.
What is a runoff?
A genetically determined characteristic or condition.
What are traits?
A large system of stars held together by mutual gravitation and isolated from similar systems by space.
What is a galaxy?
A large community of plants and animals that occupies a distinct region.
What is a biome?
Positively charged central region of an atom, made of one or more protons and neutrons.
What is a nucleus?
The process by which the surface of the earth is worn away by the action of water, glaciers, winds, and waves.
What is erosion?
A cell that has two identical alleles for a particular trait
What is Homozygous?
The curved path, taken by a planet, satellite, or a spaceship around a celestial body such as the sun
What is an orbit?
An animal that feeds on plants, a herbivore.
What are primary consumers?
The movement of a solvent through a membrane separating two solutions of different concentrations.
What is osmosis?
Water beneath the surface of the ground consisting largely of surface water that seeped down.
What is groundwater?
Nucleic acid that is the genetic material determining the makeup of all living cells.
What is DNA?
Either of the two tides that occur at the first or last quarter of the moon when the tide generating forces of the sun and moon oppose each other.
What is a neap tide?
A organism that serves as a source of food for other organisms in a food chain.
What are producers?
The process by which carbon dioxide, water, and salt are made into carbohydrates by green plants and bacteria.
What is photosynthesis?
The act or process of filtering.
What is filtration?
The producing of offspring.
What is breeding?
The parallel of lattitude approxamatly 23 degrees 27 inches north. It forms the boundary between the torrid and north temperate zones.
What is the tropic of cancer?
A organism that feeds on other organisms in a food chain.
What are consumers?
The movement of atoms or molecules from an area of higher concentration to an area of lower concentration.
What is diffusion?
Any geological formation containing or conducting ground water. Supplies the water for wells and springs.
What is an aquifer?