1b - variety of living organisms Flashcards
what type of organism is a plant?
multicellular organism
what do plant cell cellulose walls store, give an example
they store carbohydrates as starch or sucrose e.g. flowering plants such as peas and beans
what are fungi?
fungi are organisms unable to carry out photosynthesis
what are fungi’s body’s usually organised as?
they are usually organised into a mycelium made from thread like structures
what is a chloroplast?
an organelle in plant cells and some protoctist cells
what can a chloroplast do?
it can capture energy from light to use in photosynthesis
what is a hyphae?
a single thread of fungal mycelium
what is a mycelium?
a mass of hyphae that form the body of the fungus
what is a pathogen?
an organism that causes disease in another living organism.
what is a plasmid?
a small circle of genetic material in some bacteria aswell as the circular chromosome
what is saprotrophic nutrition?
the digestion of dead food material outside the body.
what are organisms grouped by and into what groups?
they are grouped by their common features into the groups:
- eukaryotes
- prokaryotes
what organisms are eukaryotes?
plants, animals, fungi and protoctists
what organisms are prokaryotes?
bacteria and viruses
what is a plant?
a multicellular organism that have cells and cell walls and vacuoles
what is an animal?
a multicellular organism that store carbohydrates
what are fungi made up of?
multicellular hyphae and some are single cellular like yeast, the have cell walls
what are protoctists?
microscopic, single-celled organisms
what are bacteria?
microscopic, single-celled organisms that don’t have a nucleus. they have a circular chromesome
what are viruses?
ineffective particles made of a protein coat and nucleic acid.
what groups contain pathogens?
fungi, bacteria, protoctists and viruses
name 2 viruses
- malaria
- HIV
