Classification
A group of similar organisms that can mate with each other
Species
any living thing
organism
an action or change in behavior (a reaction to stimulus)
Response
autotroph
an organism that can produce its own food through sunlight or chemicals
the process of grouping things based on their similarities (what they have in common)
classification
the basic unit of structure and function in living things
cell
What are 2 examples of stimuli that affect the human population?
food resources, weather, pain, taste, vision
heterotroph
an organism that cannot make its own food and gets food by consuming other living things
the largest group for classification
Taxonomy
The study of how we classify organisms
a single-celled organism
unicellular
homeostasis
the maintenance of stable internal conditions
What is an example of a heterotroph?
Humans, animals, mammals, etc
change over time
evolution
A system that classifies organisms based on similar characteristics
Binomial Nomenclature
characteristics
a feature that helps to identify something
any change or signal in the environment that can make an organism react in some way
stimulus
What is an example of an autotroph?
plants
A group of closely related organisms
A genus
The 3 Domains in Classification
Eukarya, Archaea, and Bacteria
an organism consisting of many cells
multicellular
spontaneous generation
the mistaken idea that living things arise from nonliving sources
What are the five characteristics of living things?
1. All organisms are made of cells
2. All organisms use energy
3. all organisms respond to their surroundings
4. All organisms grow, and develop
5. All organisms reproduce