Chapter 27, Worms and
Section 273 Annelids
This section describes the defining
features of annelids. It also describes
the characteristics of the three
classes of annelids.
Chapter 27, Worms and Mollusks
What phylum are earth
A diagram that is used to predict an outcome of a particular genetic cross. It is named after
Reginald C. Punnett, who devised the approach. The diagram is used by biologists to determine the
probability of an offspring having a particular
Nucleus: the central and most important part of a cell that controls the activities of the cell.
nuclear envelope: double lipid bilayer membrane which surrounds the genetic material and
nucleolus in eukaryotic cells
nuclear pores: protein-lined
Cell Theory: scientific theory which describes the properties of cells
cell division: the process by which a parent cell divides into two or more daughter cells
sexual reproduction: form of reproduction where two morphologically distinct types
Chemistry: the branch of science that deals with the identification of the substances of which matter is
Matter: anything that takes up space and has mass.
Atoms: smallest component of an element that still has the properties of that
A spore is a minute, typically one-celled, reproductive unit capable of giving rise to a new
individual without sexual fusion, characteristic of lower plants, fungi, and protozoans. To make spores,
plants begin by dividing some cells using meiosis
Biology- the scientific study of life
Cell- The basic unit of all living things
Evolution- Descent with modification
Development- the growth and specialization of cells and tissues
Energy-capacity to cause change
Life- quality that distinguishe
How was Darwin's research influenced the the scientific and cultural beliefs of that time in history?
Because before Darwin came to the subject, even the most serious members to the evolutionary theory
had failed to come up with a good explanation of exac
Photosynthesis and Cellular Respiration Review
1. Write the equation for photosynthesis, label the reactants and the products sides of the
6H2O + 6CO2 + light C6H12O6 + 6O2
Reactants: Water, Carbon Dioxide, light energy
Cell Cycle Test Review
1. What is the definition for Cell Cycle?
The cell cycle is a regular pattern of growth, DNA replication, and cell division in eukaryotic cells.
2. What Happens during G1?
During G1, the cell increases in size and its organelles inc
Fungi: any of a group of unicellular, multicellular, or syncytial spore-producing organisms feeding on
Decomposers: an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic
Yeast: a mi