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Semester Review

Name___________________________
Class Period______________________
Across
When a sperm and egg join
Acts as the fulcrum in the body
A body part re-grows to form a new organism
Process that allows plants to use light energy to produce sugars
When a single cell organism goes through mitosis
Releasing energy from sugars
Reproduction with only one parent
Condition that can be caused by ultraviolet radiation
Cells that send and receive messages
The organelle that releases energy
Alleles represented by a capital letter
Letters representing an organisms trait
Down
How many pairs of chromosomes in human body cells
Process where a cell's nucleus divides
Differences in a species
Production of offspring
Reproduction with two parents
Organelle that controls substances entering and leaving the cell
Organisms that make sugars using energy from the sun
Organisms that must eat other organisms to get energy
A single celled organism.
Where hereditary information is found
Organelle found in plants that gives the organism form
Organisms that can produce fertile offspring
Another term for characteristics