Lesson 3 And 4 Flashcards
A tiny, nonliving particle that enters and then reproduces inside a living cell.
Virus
An organism that provides a source of energy or a suitable environment for a parasite to live with, in, or on.
Host
A substance used in a vaccination that consists of pathogens that have been weakened or killed but can still trigger the body to produce chemicals that destroy the pathogens.
Vaccine
A single-celled organisms that lack a nucleus; prokaryotes.
Bacteria
A eukaryotic organism that cannot be classified as an animal, plant or fungus.
Protist
An organism that can be living with, on, or in a host in a parasitism interaction.
Parasite
Able to work against or hold off an opposing force.
Resistant
Balance of body parts.
Symmetry
A group of similar cells that perform a specific function.
Tissue
A plant that has true vascular tissue for transporting materials.
Vascular Plants
A low-growing plant that lacks true vascular tissue for transporting materials.
Nonvascular Plants
An animal with a backbone.
Vertebrate
An animal without a backbone.
Invertebrate
A body structure that is composed of different kids of tissue that work together.
Organ
A vertebrate whose body temperature is regulated by its internal heat, and that has skin covered with hair or fur and glands that produce milk to feed its young.
Mammal
