exam 1 pt2 Flashcards
What are 2 ways to reproduce?
2 ways to reproduce are asexual and sexual.
What is asexual reproduction?
When you identically clone something
What is evolution?
The result of natural selection
What is sexual reproduction?
When 2 parents come together, and offspring are genetically different.
Why do we need reproduction?
To constantly survive that’s why we want the offspring to be genetically different
What does natural selection leads to?
Evolution
If you wait too long to go to the doctor while having an infection. / Go to the doctor too much you will have mutated bacteria. What is this called?
Antibiotic resistance
What is it called when life is characterized?
Taxonomy
What is the order of life acronym? What does it mean?
Dear King Philip Came Over For Good Soup / Domain, Kingdom, Phylum, Class, Order, Family, Genus and Species.
What does Bacteria and Archaea lack? Where do they live? What do Bacteria, Archaea, and Ekaryea have in common?
They both lack nuclei and are unicellular. They live deep in the ocean and volcano. All three have DNA.
If you are alive you are either what?/ What does it mean to be Eukarya? What does bacteria and Archaea mean?
Bacteria, Archaea, or Eukarya. / Means you have a nucleus in your cell. / They don’t have a nucleus.
How do scientists’ study life?
Through the scientific method
What is law in science?
a description of how something behaves.
What is a fact?
A known proven true observation.
what is a theory?
Explanation backed up by facts and tested many times and incorporates everything in the scientific method.
what is a hypothesis?
An educated explanation about an observation that can be tested.
In science we come up with a number that tells us how different the control group was from our experimental value called what?
” P’ value
What is matter?
everything that takes up space.
What makes up of everything is called? / Contains particles called what?
atoms/ Protons, Electrons, and Neutrons
The number of protons, that can’t change is called? The weight of all atoms of an element, which CAN change is called?
Atomic Number/ Atomic Weight
Protons cannot what? What can neutron do?
Protons don’t change but neutrons do change
Gaining or losing electrons are called?
Ions
how does the ring model look?
First rings hold 2. Second and Third rings hold 8.
What is chemical bonding?
Attractive force that holds atoms
together.
