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DNA, the code of life
found in all life forms
Education is powerful!
Characteristics of life
Scientists make a definition based on 8 Characteristics.1 Cell
Living things are made of cells. A cell is the smalest unit of life. Cells contain DNA.
Organisms must maintain order inside their cells. A pile of cells would not be enough for being called a living thing
Living things must regulate their systems = maintaining internal conditions that help the organism to survive
4 Respond to signals from the environment
for example living things become aware of environmental changes and respond apropriately
5 Transfer energy
among themselves and between themselves and the environment.
for example the plant uses the energy of the sun to create food.
We call this process photosynthesis.Human beings then transfer energy from the plant = transfer of energy between the organism and the environment.
What is transfer energy among organisms:
Chemical processes that happen inside of humans or a plant to turn the energy to food
6 grow and develop
for example our life started with a single cell. Then the cell doubled and doubled - we grew. Development is a kind of specialisation. As we grew our cells developed into different parts of our body that are necessary for survival.
Living organisms produce other living organisms of their own kind
The process of evolution means that some characteristics take time
The word Biology comes from old Greek βίος|
bios 'life' + λόγος logos 'study'.
We offer a few views of different life...
Tiny but amazing
E. coli - can be harmful to humans
Bacteria - uncountable in numbers
Look inside a Human
How does a human brain work?
Human Heart information
A very special juice
pH level of body
. . . . . . Hummingbirds|
. . . . . . A beautiful red bird: The Cardinal
. . . . . . Western Scrub Jay
. . . . . . Road Runner
. . . . . . Swallows
Many birds breed in one place, but fly to another place over the winter|
Read about bird migration
They look for blood, need it as food
Mammals of the sea
Trees exist for 370 million years on earth. For a long time earth was covered by many trees!
Without these trees Earth would not have enough oxygens to support mammals, to support life as we know it...
Photosynthesis is very important!
Life on Earth would be different without Rain-forests- humans need rain-forests!
Mangroves protect Earth's shore lines, store CO2
protect young marine life, slow down erosion!
A beautiful big tree is the
Some trees have wonderful blossoms in Spring
Other trees have no visible bark
A very rare tree in the TX Hill Country
Arbutus / Madrone
Juniperus is found all over earth!
In Texas some call it 'Cedar" but it's a Juniper
Every country on earth has its native wildflowers.
Wildflower photos + descriptions of the Texas Hill Country More about Salvias
A very special plant
A plant with a pearl
Some mushrooms are edible
Why do leaves change color
Native grasses are a good erosion protection
Bear Springs Blossom Nature Preserve
Bear Springs Blossom tree list
Bear Springs Blossom flower list
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Learn new things!
Our Earth - - Why is Earth sick? - - Our Future??
Earth's solar system - - Planets - - Earth's Atmosphere
About Life on Earth - - The Gulf stream
Quiz Earth Oceans - - Nature Quotes - - Bacteria uncountable numbers
Hear and feel the wonders of Earth
Keep Earth Beautiful - - Save Earth - - Public speeches by P+M Bonenberger
BSB research and external studies clearly show that almost all terrorists have very low education levels. Support to BSB helps to spread an always updated education to all. Better informed people make better decisions, having a better life!