Life Science Ch. 1 Flashcards
Organism
A living thing.
Cell
A small organism that we all depend on.
Unicellular
An organism that only has one cell.
Multicellular
An organism that has multiple cells.
Spontaneous Generation
The theory that organisms randomly appear.
Homeostasis
A condition in which an animals condition remains stable despite changes.
Evolution
Change over time.
Classification
The process to classify/name an organism.
Species
A group of similar animals.
Genus
A category that name closely related organisms.
Taxonomy
The study of how living things are classified.
Domain
The basic level of classification.
Virus
A tiny nonliving particle that enters then reproduces in a living organism.
Host
An organism that provides a home for bacteria and other tiny organisms.
Vaccine
A tiny part of a virus meant to help an immune system learn to fight that disease.
Bacteria
A unicellular organism that does not have a nucleus.
Protist
An organism that does not have a nucleus.
Parasite
An eukaryotic organism that cannot be classified.
What is the difference between autotroph and heterotroph?
Autotroph= producer
Heterotroph= consumer.
What is the difference between eukaryote and prokaryote?
pro=no cells or nucleus
Eukaryote are opposite.
The 2 part scientific name is what?
Genus and Species.
How would you describe the characteristics of organisms.
Prokaryotes, not made of cells. Eukaryotes, made of one or more cell, nucleus that holds DNA.
What are characteristics that animals inherit to help them survive in their environment called.
Adaptations
Which of these statements are true about bacteria: Respond to stimuli, can survive without water, can reproduce, can spontaneously generate
respond to stimuli, can survive without water, and can reproduce.
why are viruses considered nonliving?
They are not made of cells.
How do viruses reproduce?
They enter a host, infect a cell, then reproduce.
What is the classification order?
Domain Do
Kingdom Kids
Phylum Pretend
Class Cows
Order Out
Family Front
Genus Got
Species Sick
What are the three domains?
Archaea, bacteria, and eukarya
Give examples of homeostasis
Maintaining body temperature and a dog panting.
What are the 3 shapes of bacteria.
Sphere, rod, and spiral.
