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Final Exam Review 7th grade
wet mount slide order to follow
slide, specimen, stain, cover slip
something that is not a proven fact or law
imprints or remains of plants and animals that existed in the past
steps of the scientific method
state the question
form a hypothesis
record and analyze results
state the conclusion
factor that changes in a controlled experiment
Are viruses living or non-living?
lack a backbone
cell, tissue, organ, organ system, organism
controls all activities in cell
releases energy for the cell
found in plant cells only
cell wall and chloroplasts
helps aid in swallowing food
muscle that aids in respiration and separates chest cavity from the other internal organs
thin vessels through which materials are exchanged
protects the spinal cord
red blood cells
source of all energy
can not make their own food
can make their own food
type of symbiosis that harms host
type of symbiosis that both organisms benefit from
process of gradual change within a community
1. All cells come from preexisting cells.
2. Cells are the basic unit of all living things.
3. All organisms are made of cells.
produce protein in cells
combination of genes ex: TT, Tt, tt
physical characteristics ex: tall or short
combination of traits (dominant and recessive) ex: Tt
only one type of gene ex: TT or tt
stronger trait shown, a strong trait ex: T
masked by dominant trait (need 2 genes to be present) ex: tt