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100 Cards in this Set

  • Front
  • Back
What is Biology?
Science that studies living things
What is the purpose of microbiology?
To provide answers and medical treatments for diseases
What are the main components to all life on Earth?
What keeps a species alive?
What does an individual need to survive?
Adaptation, organization, homeostasis, growth, and development
What is the scientific study of all the interactions between living and non-living things?
Where did Ecology get its start?
What should the educational background be for an ecologist?
Mathematics, chemistry, physics, geology
What do ecologists study in nature?
Relationship between living and non-living things
Where do ecologists perform their experiments?
In the field and lab
What kinds of factors interact in the environment?
Abiotic & Biotic factors
How does having a variety of climates affect the world?
Variety of life
What are the factors that affect a living things ability to survive in nature?
Limiting factors
What do limiting factors restrict?
Existence, numbers, & reproduction
What are two examples of limiting factors?
Sun, climate, & natural disaster
What is an element?
A substance that can't be broken down into something else
How many elements make up the structure of living things?
What is the smallest part of an element?
What are the three proteins of an atom?
Proton, neuron, & electron
Who was the first scientist to see a cell?
Anton Van Leewenhook
What technology made it possible to see cells?
What are the three parts of the cell theory?
*all living things are made of cells
*cells are the simplest form of life
*all cells are made from previous cells
Who came up with the term "cell"?
Robert Hooke
Who studied cells in plants?
Mathias Schleiden
Why are cells small?
Diffusion and DNA replication
What is cell division?
Make a copy of cell
What happens in the three stages of the cell cycle?
*Interphase - Growth, reproduction, & prep for cell div.
*Mitosis - Cell division
*Cytokinesis - Cell's split
What does cell division begin with?
What are the four elements in living things?
carbon, hydrogen, oxygen, & nitrogen
What does passive transport do?
Move materials naturally from a high to low concentration
What type of passive transport moves carbon dioxide and oxygen?
What controls osmosis?
Concentration of water (just water)
A beaker is filled with 30% water and 70% salt. A dialysis tube filled with 80% water and 20% salt is placed in the beaker. Which way will the water flow?
Dialysis tube to beaker
What are three concentrations of water in osmosis?
How are fats moved in and out of the cell?
Facilitated Difussion
How do sodium and potassium molecules get in and out of the cell?
Active Transport
What are three kinds of active transport?
Sodium/potassium pump, endocytosis, & extocytosis
What happens in the sodium and potassium pump?
3 Na+ Attach to protein - ATP - 3 Na+'s leave - 2 k+ come into protein - ATP leave - 2 k+ go into cell
What is the definition of a species?
Group of organisms that can interbreed & produce fertile offspring in nature
What is cytolysis?
Bursting of the cell
How is growth and development different?
Growth- make more cells to form new structures
Development- emotional and physical experiences throughout life
What is homeostasis?
maintaining normal body conditions when the environment changes
What is adaptation?
DNA that helps living things change w/ environment
When is DNA chromatin?
Before cell division
Who carries DNA during cell division?
What are the proteins that hold chromatin's shape?
What are sister chromatids?
chromosomes and its copy
What holds sister chromatids together?
What part of the earth supports living things?
Where is the biosphere located?
Top of atmosphere to the bottom of the ocean
What are abiotic factors?
non-living organisms
What are two examples of abiotic factors?
water, sun, climate
How do abiotic factors affect living things?
Determining- location, type of home, and nutrients
What must organisms have in a community?
What is tolerance?
changing with their resources
what is succession?
natural changes that occur in a community
What type of succession can turn rocky areas into soil?
What type of succession turns damaged wildlife areas back into forests?
Which organisms is able to breakdown rock and make soil?
Where is the nucleus located in an atom?
Where are electrons located in the cell?
outside of atom
what kind of information can be learned from the atomic number?
number or proteins and electrons in the atom
what is the atomic weight?
Weight of the atom
how is atomic weight calculated?
By adding the protons and nuetrons together
What is a compound?
Substance that is made up of 2 or more atoms from different elements
Who studied the cells in animals?
Theodore Schwan
What are 2 types of cells found on earth?
prokaryotic & eukaryotic
a flower producing seeds is an example of which characteristic of life?
what happens to a specie if they fail to reproduce?
die off
what is quantitative data?
number data
What is qualitative data?
what is mass
how much material is in an object
what is a habitat?
what is a niche?
life and behavior of an animal
what happens when two species share a niche?
weak dies out
what is symbiosis?
relationship between 2 livng things
what is mutualism?
both benefit
what is commensalism?
one is helped & other - nothing
what is parasitism?
one helped & the other hurt
where does the energy come from that is used in an ecosystem?
What are the first living things to enter a rocky area?
what do you call a mature wild life area?
climax community
in bonding, which atom will loose their electrons?
the smallest/ least number
What is unique about water on an atomic level?
shares unevenly
what kind of charge do atoms get when they loose their electrons?
what are all the reactions that take place in a living thing called?
what law is used to balance equations?
conservation of matter
what is solute?
what is dissolved
what does the concentration of a solution depend on?
what is homeostasis?
maintaining internal normal conditions
What is used to measure acids and bases?
What is the pH level for acids and bases?
acids; 1-6
base; 8-4
Which ion creates an acid?
which bond would have the most energy?
what are carbohydrates?
what are the building blocks for lipids?
glyceral and fatty acids
what are lipids?
which part of a chloroplast does the light reaction?
thylakoid disc
which cell is the simplest of all cells?
what is the theory of endocytosis?
bacteria > swallowed mitochondria & chloroplast > plants

bacteria > swallowed mitochondria > animal