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50 Cards in this Set

  • Front
  • Back
The Theory that species change over time is ____?
Evolution
What is the definition of "Theme"?
A unifying idea that relates subordinate ideas to each other.
Adaptation
Relates to evolution because if conditions are putting pressure on populations, leading to evolution or extinction.
Theme of evolution relates to Theme of Ecology
Because changes in ecological relationships may put pressure on populations, leading to evolution or extinction.
Ethics
Must be part of biology because many ethical concerns relate to treatment of living things, including humans. Advanced technology in medicine and genetic engineering has the potential to affectc all living things. Ethics, must, therefore be an important part in biology.
7 Characteristics of living things:
Cell, organization, energy use, reproduction, adapation, response to environment, and growth.
Response
Relates to behavior because behavior is a complex kind of response.
Growth of Living and Non-Living Things
The difference between growth in living things and growth in nonliving things due to cell enlargement and division, while in nonliving things such as crystals, it's usually due to accumulation of atoms or molecules.
Fungus
a fungus is a heterotroph
First Living Organisms
The first living organism on earth was probably a single cell
Biology
The science of Life
Adaptation
A favorable trait
Phylogeny
A species evolutionary history is studied in the branch of biology called Phylogeny.
Ecology
The branch of biology that studies the interaction of organisims with one another and with the environment is called ecology.
Adaptation of a Cactus to Desert Environment:
they have thick, waxy covering to hold water. Their leaves are reduced to thin spike like plans that further prevent evaporation and keep predators from eating the plant.
Morphology
Biologist uses the term morphology to refer to the structure and form of an organisims or any of its parts.
Anatomy
Is a branch of morphology that deals with the internal structure and form of an organism or any of its parts.
How Living Organisims are Organized
All living organisms are organized on a molecular and cellular level.
Response
A response is a reaction to a stimulus
Reproduction
is not essential for the survival of an individual organism
Tissues
Tissues are composed of cells
Division
The orderly formation of a new cell from a parent cell is called division
Behavior
is a complex set of responses
Adaptation
The trait that gives an organism an advantage in a specific environment is called an adaptation
System
the highest level of organization within an organism is the system
Celled Organisms
Complex organism arose from single celled organisms
Solar Energy
Plants use solar energy in the process of photosynthesis
George Washington Carver
Performed agricultural research on crops that add nutrients to the soil
Cells
All living things are composed of cells.
Evolution of Species
Species must evolve in order to survive becuase the environment constantly changes.
Estimate # of Specieo
40 Million
Anatomy
the study of body structure
Tissue
in multi cellular organisms, tissues are organized into organs
Cells are organized into tissues;Tissues are organized into organs
Statement Only
Deoxyribonucleic Acid (DNA)
contains the chemical code for traits
Autotrophic
Organisms that acquire energy by making their own food
Ethics
the study of moral choices
Bioethics
the application of ethics to biological issues is called bioethics.
Zygote
the fusion of an egg and sperm
Expressed Gene
When a gene is active, scientist say that it is expressed
Observation
Observing is perceiving an event without drawing a conclusion
Inferring
Inferring is drawing a conclusion on the basis of fact or premise
Predicting
Predicting is stating in advance the results that will be obtained from testing a hypothesis
The Variables for Desigining an Experiment
(1) Independent, or manipulated, variable.
(2) dependent; or responding variable (3) all variables that are held constant.
Hypothesis
a testable statement
Theory
a hypothesis that has been tested and is supported by evidence gathered by many scientist
Characteristic of knowledge
that is accepted by most scientest in the field is that knowledge should be regarded as tentitive and subject to change as new evidence warrants.
Magnification of Microscope
a measure of enlargement
Resolution of Microscope
measure of clarity
Electron of Microscope vs. Light Microscope
the electron microscope has greater resolution, permitting greater meaning full magnification over a light microscope