Introduction to Biology Notes

Flashcards about Introduction to Biology

contributes knowledge on plants, animals, and medicinal plants.

Paves the way for the improvement of food, health and welfare of domestic beings.

The _ of biology includes many topics.

Awareness about environmental protection; Development of useful habits; basis for all applied aspects of biological science; answers to curiosities of the living world

Biology is the _.

Scientific study of life

is a search for information, explanation and answers to specific questions.

Science is an approach to understand the natural world based on Inquiry, Analysis & Survey.

Hypothesis Driven science means ___.

Mostly explaining nature - search for explanations done by formulating a hypothesis to explain the natural world, that is tested.

A is a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena.

A tentative answer to a question, proposed explanation for a set of observations

Scientific Method is a __.

A series of steps, process used for investigations

The 1st step of the scientific method is .

What are you curious about, or what have you seen that makes you wonder?

The 2nd step of the scientific method is _.

What do you think is the answer to your question or the reason for your observation?

The 3rd step of the scientific method is Make ___.

What are some if/then statements that explain and confirm your hypothesis?

A scientific ___ is a comprehensive explanation supported by abundant evidences.

Comprehensive explanation supported by abundant evidences

is the maintenance of a stable internal environment, even in the face of a changing external environment.

Maintenance of a stable internal environment, even in the face of a changing external environment

Organisms are highly organized into levels with coordinated structures containing one or more .

Consist of one or more cells, fundamental units of life

Populations of living organisms can undergo _ - genetic makeup of a population may change over time

Genetic makeup of a population may change over time

Evolution is a long-term process wherein ___.

Changes occur at the genetic level for a better functioning and survival as a race

Natural selection ___.

Does not promote changes - edits the changes that have already occurred – product of natural selection is ADAPTION

Each cell contains information in the form of , hereditary units of information.

Every cell contains information in the form of genes, hereditary units of information

Species is a ___.

Taxonomic group whose members can interbreed -share a genetic heritage

Taxonomy is a branch of biology that ___.

Names and classifies species by grouping them into logical categories.

On broadest level - Biologists divide the diversity of life into 3 main ___.

Archae, Eubacteria, Eucarya

Eubacteria are ___.

Small, prokaryotic, single celled organisms ranging in size from 1 - 10 µm

Archaea have ___.

Prokaryotic cell structure/Found in extreme environments

According to the __ all living things are composed of cells and that all cells come from earlier cells.

Cell theory states that all living things are composed of cells and that all cells come from earlier cells

Prokaryotic cells include ___.

Bacteria and Archaea

Eukaryotic cells include ___.

Protists, plants, fungi, and animals

All cells have several basic features: ___.

Plasma membrane, cytosol, chromosomes carrying genes made of DNA and ribosomes