Define Variation of species.
a difference among individuals of the same species.
What is smaller?
Gene or Cell
Gene
Samantha has freckles.
Inherited trait
Sunflowers turning to face the sun to absorb more sunlight.
Behavior Adaptation.
Define Heredity.
the passing of traits from parents to offspring.
Define Population.
a group of individuals from the same species living in a specific area.
Where is the chromosome located?
Inside the nucleus which is inside the cell.
The class favorite food is pizza with pineapples on it.
Learned Behavior
Snakes producing venom for its prey.
Physiological Adaptation.
Give an example of Structural Adaptation.
Some:
plant stem
bones
fur
beaks
Define Physiological Adaptation.
An internal body process that helps an organism survive.
What makes up DNA?
Chromosome and genes
Rabbits dig a hole and make a nest for their offspring.
Learned behavior.
Thick, waxy leaves on plants reduce water loss doing hot and dry seasons.
Structural Adaptation.
Give an example of Behavioral Adaptation.
Some:
migration
hunting
hibernating
Define Structural Adaptation.
a physical feature that helps an organism survive.
How do organisms get their traits?
Genes that are passed down from parents to offspring.
Dogs fur gets thicker during winter to help keep them warm.
Inherited Trait.
Trees dropping leaves in winter to reduce water loss and save energy.
Physiological Adaptation.
heart beating
sweating
breathing
sleeping
Define Behavioral Adaptation.
an action or behavior that helps an organism to survive.
List these terms from largest to smallest.
DNA, Cell, Gene, Chromosome, Nucleus
Cell--> Nucleus--> Chromosome--> DNA--> Gene
Mr. Polar Bear has one bent ear and one straight ear.
Inherited Trait.
Birds migrating south for winter.
Behavioral Adaptation.
Define Natural Selection.
the process where organisms with helpful traits survive and reproduce more than others.