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Artificial and Natural selection (classifications of matter (((Physical…
Artificial and Natural selection
types of selection
Natural Selection
Zebra Stripes
Webbed feet
Camel humps
Artificial Selection
Dog breeds
Plants
Papayas
classifications of matter
mass
volume
density
Physical Property-The change in state or appearance of an object.
Chemical Property- A change that becomes evident mostly after the reaction has occurred.
Changes to Matter
Physical changes EX. cutting apple, tear a piece of paper, chopping down a tree.
Phase Changes-When a substance takes a different form. EX. solid to liquid.
Atom-the smallest compound that has the chemical properties of an element.
Molecule-a group of atoms bonded together.
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Genetics
Artificial Selection- The breeding of two specific animals to get desirable traits.
Phenotype- The physical appearance of an organism.
Genotype- The genetic makeup of an organism.
Heredity- The passing of characteristics from parent to offspring.
Types of Reproduction
Asexual Reproduction
Advantages-Takes less time and energy
Disadvantages- All offspring look the same
Sexual Reproduction
Advantages- All offspring look different
Disadvantages- Takes up more time and energy than asexual reproduction
Genome
A full set of chromosomes, all the inheritable traits of an organism.
Chromosomes
Any of several thread like bodies, 23 are found in humans.
DNA
A basic unit of heredity
