I. Functions of the Nervous System
1. Receiving Information
2. Responding to Information
3. Maintaining Homeostasis
A. Receiving Information
Collects information (sound,
taste, touch, sight, and
B. Responding to
Why exactly are some organisms
dependent on other organsims for
Consumers = organisms that must
obtain food from other organisms.
Consumers get the supplies
What is ecology?
Ecology- the scientific study of
organisms and their
environments, focusing on
It is a science of relationships.
What is meant by
The environment is made up of
How do autotrophs turn solar
energy into chemical energy
used by heterotrophs?
A. Energy is a property of objects
which can be transferred to other
objects (or between systems)or
converted into ot
What molecules do organisms
need in order to survive?
I. Organic Vs.
All compounds fall under 2
types: organic and inorganic
Organic definition =
molecules involving the
bonding of carb
[The study of Heredity]
How can inheritance patterns
Coin Toss Statistics
* Predict: flip a coin 10 times. # Heads;
- Flip a single coin 10 times. How many
- Flip coin 30 more times. # H? T?
I. Evidence to Support
A theory is a well supported
testable explanation of
phenomena that have occurred
in the natural world.
Evolution is an attempt to
account for all the diversity of
Scientific facts, observati
years, people thought diseases
were caused by curses, spirits, etc.
In the nineteenth century, Louis
Pasteur and Robert Koch concluded
that infectious diseases were caused
by microorganisms (germs) = the
Germ Theory of Disease
1. Koch developed a se
14.1,14 .2, and 14.5
What is a community?
Many species living closely together, so that
they interact with each-other.
Habitat = all of the biotic and abiotic factors in
the area where an organism lives. African Plains
Niche = all the
How can we explain the
differences between all
life on the planet?
I. What Is Evolution?
A. Definition: Evolution = the change in
the genetic make-up of a species over
or simply, change over time.
Photosynthetic Progression Lab
What type of variable will affect photosynthetic progression?
Radish seeds, soil, FIJI water, 75 watt light bulb, cup, CO 2, ruler
1. Put 10 radish seeds in a cup, and fi
Evolution Of A
I. Genetic Variation in
A. Genetic variation in a population
increases the chance that some
individuals will survive.
- genetic variation leads to
- phenotypic variation is necessary
I. Genetics is never
Mendel studied traits that were
autosomal and were governed by 1
gene. (If the allele was present, it
was expressed: ex. Pigment)
Autosome= a chromosome that
contains genes other than
Any Questions on Cell
Have a nucleoid
*Some have cell
How do cells survive in their
I. Passive Transport
Cells require H2O, O2, and other
How do enzymes make life
I. What are Enzymes?
A. Enzymes are mostly proteins that
act as biological catalysts.
Catalysts = a substance that
speeds up the rate of a chemical
II. The role (fxn) of
Why is there a need for cells to divide?
I. CELL CYCLE
A.Cell cycle= the regular pattern of growth,
DNA duplication and cell division that occurs
in eukaryotic cells.
B. 4 stages:
1. G1 (gap 1): cell carries out
Cellular Respiration Essay
Cellular respiration is a process that supplies cells with energy and is necessary for an
organism to survive. There are many diseases that can tamper the way this process functions,
and some of t
23 October 2015
Lung cancer is a very serious cancer in the lungs that later splits into either non-small cell
lung cancer or small cell lung cancer. Just like any other cancer, lung cancer is the un