Which characteristics might a rat-catching dog have in your opinion?
Quick or slow?
Aggressive or Docile?
Large or small?
Quick
Aggressive
Small
100
Elements may combine to form?
Compounds
100
What is biological evolution?
The genetic change in population from one generation to another.
200
What is an element?
A substance that cannot be broken down into simpler substances.
200
All atoms of any given element have the same what?
Atomic number
200
The ancestor of the Nene is fairly well known goose species. Which species?
Canadian Goose
200
Atoms are composed of?
Protons, Neutrons and Electrons.
200
Who was Charles Darwin?
He created natural selection.
300
How much of matter has observable and measurable properties?
All matter is observable.
300
How do you find the mass of an atom?
The number of protons and neutrons.
300
What are some characteristics that differ between the ancestor goose and the Nene?
(How the bird looks)
Body Posture, Length of legs, Feet, Neck and Wing size
300
The nucleus is composed of tightly packed protons and _______.
Neutrons.
300
What it natural selection?
A process in nature in which organisms processing certain genotype characteristics that make them better adjusted.
400
What are the three subatomic particles?
Protons, neutrons and electrons.
400
Based on similarities in their chemical properties, elements on the periodic table are arranged in columns, which are called ______.
Groups.
400
Is this artificial or natural selection?
"The individuals that are allowed to breed are chosen by humans. These individuals have the characteristics that humans are interested in. This process produces animals that express some characteristics such as a stubby, snout, very strong."
Artificial Selection
400
Electrons are found where?
Electronic cloud
400
What does it mean to say a species is extinct?
They no longer exist.
500
What takes up most of an atom's volume?
The nucleus.
500
What is valence electrons?
Outermost electrons in the electronic cloud.
500
Is this artificial or natural selection?
"The individuals that are best suited for survival are the ones that most likely will love long enough to reach reproductive age. This means they are the ones that get to breed, and their characteristics (being good survivors) are inherited by their offspring.
Natural Selection.
500
Electrons have what type of charge?
Negative
500
What are the 4 main lines of evidence for evolution?
- Fossil records of change in earlier species.
- Chemical and anatomical similarities are related life forms.
- Geographic distribution of related species.
- The recorded genetic changes in living organisms over many generations.