Chapter 1 Flashcards
(40 cards)
Definition of biology:
This is the scientific study of life
What are the six characteristics of life?
-order
-adaptation
-stimuli
-homeostasis
-reproduction
-energy consumption
Do living organisms show order?
True or False?
True
In a population, individuals with favorable traits, will survive and reproduce at higher rates. What is this called?
Adaptations.
Living organisms, do not respond to changes in their environment true or false?
False.
Define homeostasis:
Balancing a specific range of internal conditions in spite of external environment.
This word describes a dynamic state of equilibrium in which internal conditions vary but within narrow limits what is the word?
Homeostasis
This occurs in a living organism when an accumulation of an end product inhibits the process. What is this called?
Negative feedback
In order for an organism to pass their genes along to a healthy, fertile offspring, what must the organism do hint, this is one of the characteristics of life
Reproduce
Do all living organisms, consume energy, true or false
True
Define biosphere
Region of earth that supports life
Define ecosystem
Specific area within the biosphere with common set of physical characteristics
Define community
Populations, living and interacting in a ecosystem
Define population
members of a species that live in the same community
Define species
Similar interbreeding organisms within a population
Define organism
An individual living thing containing complex organ systems
Define organs
A tissue with a specific vital function
Define tissue
Group of cells with a common structure and function
Define cell
Smallest unit of an organism that still demonstrates all basic characteristics of life
Give a basic definition of a molecule
It is a Union of atoms
What is the smallest unit of an element?
Atoms
The scientific method involves what ?hint five actions
-observation
-hypothesis
-experimentation
-collecting data
-conclusion
Define hypothesis
An educated, guess based on information, you already know
During this phase of the scientific method is when you test a hypothesis. What is this called?
Experimentation