Educated guess using what you know and what you observe.
What is a HYPOTHESIS.
100
states that all organisms are made up of one or more cells, the cell is the basic unit of life, and all cells come from other cells.
What is the CELL THEORY
100
smallest unit of an organism to
carry on life functions.
What is a CELL.
100
any living thing.
What is an organism.
100
large geographic areas with similar climates and ecosystems; includes tundra, taiga, desert, temperate deciduous forest, temperate rain forest, tropical rain forest, and grassland.
What is a biome.
200
An experiment without the Variable.
What is a control experiment.
200
protective outer covering of all cells that regulates the interaction between the cell and the environment.
What is the Cell Membrane.
200
rigid structure that encloses, supports, and protects the cells of plants
What is the CELL WALL.
200
total number of individuals of one species occupying the same area.
What is a population.
200
model that shows the amount of energy available at each feeding level in an ecosystem.
What is an ENERGY PYRAMID.
300
Repeating an experiment over and over to test the results accuracy.
What is replication.
300
constantly moving gel-like mixture inside the cell membrane that contains heredity material and is the location of most of a cell’s life processes.
What is Cytoplasm.
300
green, light-trapping pigment in plant chloroplasts that is important in photosynthesis.
What is Chlorophyll.
300
all the populations of different species that live in an ecosystem.
What is a community.
300
model describing how nitrogen moves from the atmosphere to the soil, to living organisms, and then back to the atmosphere.
What is the Nitrogen Cycle.
400
An Explanation of things or events based on scientific knowledge resulting from many observations and experiments.
What is a THEORY.
400
green, chlorophyll-containing, plant-cell organelle that uses light energy to produce sugar from carbon dioxide and water.
What is Chloroplast.
400
process by which producers and consumers release stored energy from food molecules
What is Cellular Respiration.
400
all the living organisms that live in an area and the nonliving features of their environment.
What is an ecosystem.
400
model describing how carbon molecules move between the living and nonliving world.
What is the Carbon Cycle.
500
Something in an experiment that can change.
What is a Variable.
500
organelle that controls all the activities of a cell and contains hereditary material made of proteins and DNA;
What is the CELL NUCLEUS.
500
process by which plants and many other producers use light energy to produce a simple sugar from carbon dioxide and water and give off oxygen.
What is PHOTOSYNTHESIS.
500
part of Earth that supports life, including the top portion of Earth’s crust, the atmosphere, and all the water on Earth’s surface.
What is a biosphere.
500
model describing how carbon dioxide and oxygen move between plants and Animals.