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Science means "_______."
Biology is __________________.
The study of life.
God created everything. (Intelligent Design.)
Things came to be from a common ancestor. (from adaptation)
What does "Natural Selection" mean?
Survival of the fittest. (Darwin)
What is Abiogenesis?
What is Biogenesis?
Life arises from pre-existing matter.
States life can be explained in terms of natural transformations of energy and matter.
The view that life has unique mystical properties that are distinct from those ascribed by chemical and physical laws.
Break things down.
What is "Anabolic Rx?"
Storage of protein; growth of tissue.
What is "Catabolic Rx?"
Breakdown of molecules; Release energy.
To eat; digestion, absorption.
All body cells.
Diploid (meaning = all)
Haploid (meaning = half)
The classification of organisms in an ordered system that indicates natural relationships is ______ ?
Taxonomy is used to ______ ?
Classify species and organize them.
Do Keep Plates Clean Or Family Gets Sick.
Who created Taxonomy?
Who is Carl Linnaeus?
"Father of Taxonomy"
Named, ranked, classified organisms
What are Bacteria?
Prokaryote (simple, incomplete nucleus)
ex: germs, e.coli
What are Archaea?
Live in extreme (hot/cold) conditions.
ex: volcanoes, antartica
What are Eukarya?
Complex cells (one cell or multiple)
DNA; surrounded by a membrane.
Classified into Kingdoms:
One celled organism.
ex: amoeba, paramecium
Decompers (break down waste products)
ex: moss, mold, yeast
Producers (O2, carbs)
Consumers (O2, carbs, food stuffs)
Experiments in Science consist of:
Scientific Method is a sequence for "_______ ?"
It also consists of _____, _____, _____, _____, _____, _____.
"Testing the hypothesis."
-Observation (look at the problem)
-Question (ask why?)
-Hypothesis (educated guess, possible answer)
-Prediction (what if? predict an outcome)
-Experiment (do it!)
What are chemical reactions?
Metabolic (metabolism - breaking down)
What is matter?
- Anything with mass or volume that takes up space.
- Made up of atoms.
What are "atoms?"
Atoms are the smallest unit of matter that retains the property of that matter.
ex: lead retains lead matter, gold retains gold matter.
Positive (+) charged particle.
Negative (-) charged particle.
No charge particle.
Nucleus of an atom contain _____.
Protons and Neutrons.
What part of an atom contain protons and neutrons?
Outside shell of an atom contains _____.
- Have little mass.
What is the atomic number?
# of protons and neutrons in a nucleus.
What is the atomic weight?
- Mass of nucleus of atom.
- # (sum) of protons and neutrons.
Elements are _________ ?
Atoms with specific characteristics.
ex: iron, nickel, zinc
What are the 2 kinds of elements?
- Essential - necessary for life.
- Trace - needed in small amounts for life. (calcium, zinc)
What are molecules?
2 atoms bonded together.
Two atoms that are bonded together are called ______.
What are compounds?
2 or more molecules bonded together.
ex: H20, CO2
2 or more molecules bonded together are called ______.
ex: H20, CO2
Ionic Bonds are ______.
- One element takes electron from other elements.
Covalent Bonds are ______.
- Sharing of electrons.
- Not a strong (+) effect.
Chemicals of Life are listed as Elements with Symbols.