Living Things Flashcards
Living things have 6 criteria
1) cellular orginzation
Spontaneous generation
does not happen - verified from Redi & Pasteur exp
4 Basic needs
1) water
2) food
3) living space
4) homeostasis
Autotrophs
make their own food
Heterotrophs
consumes other organisms for energy
Homeostasis
stable living conditions
Classification define & scientist
grouping of living things & Linnaeus
Classification levels
kingdom, phylum, class, order, family, genus, species
5 Kingdoms
bacteria, protist, fungi, plants, & animals
Eukarya
multicellular organisms with nucleus
Microscope history
1st 1590 Robert Hooke used light/ lens
Magnification
ability to make things appear bigger to observe
2 Differences between plant & animal cells
plants have: cell wall & chloroplast
2 Types of lens/ describe
- concave –thin in middle
- convex – fat in middle
Cell wall
plant only: rigid layer that holds the cell up
Cell membrane
plant & animal: controls what goes in and out of cell
Cytoplasm
plant & animal: jelly like substance to protect organelles
Nucleus / chromatin
plant & animal: “brain” of the cell/ genetic info of cell
Mitochondria
plant & animal: power house of the cell
Endoplasmic reticulum
plant & animal: carries protein to parts of cell for repair
Ribosomes
plant & animal: produce proteins
Golgi bodies
plant & animal: gets materials from endoplasmic reticulum & fix problems with cell
Vacuole
stores water and waste
Chloroplast
plant only: collect sunlight for photosynthesis to make energy
