Characteristics of life
What is Biology?
The study of life
All living things are made of one or more ______
cells
What is another word for reproduction?
Heredity
USE Energy = ____
All living things do this.
Metabolize
Homeostasis
What is a biotic factor
Something that is alive now or was alive in the past
There is a hierarchy of cell organization in living things
Describe the order of that hierarchy from smallest to biggest
Organelles >> cells >> Tissues>> organs >> Organ Systems >> Body
True or False:
All organisms do not not reproduce in order to continue the species’ existence.
True
The Sun
Humans operate most efficiently at ____ F. Changes in just a few degrees can be life threatening.
98.6 F
What is an abiotic factor
Something that is no alive - the sun
The genetic code is ______ for all organisms on Earth
universal
What is Heredity?
Traits that are passed on from parents to offspring through genes
Plants transform sunlight into chemcial energy - what is this called
Your cells need what to grow, develop, repair damage, and reproduce.
photosynthesis
energy
What is evolution?
Populations of organisms that change over time leading to the great diversity in life we see.
What are all the 8 characteristics of living things?
Made Up of Cells
Based on a Universal Genetic Code
Reproduction
Growth and Development
Need for Materials and Energy (metabolism)
Response to the Environment
Homeostasis (maintaining an internal balance, control)
Evolution
What is DNA?
Deoxyribonucleic Acid - is a molecule that is known as the blueprint for organisms.
All organisms have a ______ cycle, grow, and change
life
What word means to react and respond to the einvornment?
Stimuli
Evolutino favors the traits that allow a species to survive changes in the environment. What is this called?
Natural Selection
These are the traits all living things have in common; they unite all life
What are the 8 characteristics of life?
True or False?
This universal genetic code is not inherited
False
Some life is way more dramatic than others:
What is the life spam of Bacteria?
How old was the oldest tree?
20 min
5000+ years old
What are some examples of changes in the envinrment in which all organisms respond to?
Light
Gravity
Heat
Fight or FLight
For each of the following, briefly describe whether it is a living thing, or not.
Animal
Fungi
Plant
Protist
Bacteria
Virus