2.1
What is an organism?
A living thing
Autotrophs vs Heterotrophs
Make own food
Eat other organisms
What is classification?
Grouping things by similarities
What are vacuoles?
Water filled sac (water)
What are lysosomes?
Gets rid of waste (trash can)
What is a cell? What are they composed of?
Small building block, basic unit of life
Chemicals
What was spontaneous generation?
Idea that living things could come from nonliving things FALSE
Prokaryotes v Eukaryotes
Organism with no nucleus
Organism with nucleus
What is the cell wall?
Rigid layer on the outside of a PLANT cell (brick wall)
What is the cell membrane?
Barrier that controls what goes in and out (fence)
What are multicellular organisms?
Organism made of many cells
What 4 things do all living things need?
1.Water
2.food
3. living space
4. stable internal conditions (homeostasis)
Who was Linneaus? Why is he important?
Linnaeus was scientists who invented binomial nomenclature
What are chloroplasts?
Captures energy from the sun (sunshine)
What do ribosomes make?
Protein (chicken leg)
What are unicellular organisms?
Organism made of one cell
What was Redi’s experiment and why was it important?
-2 jars (one covered, one uncovered) both had meat inside. Noticed maggots only came from the uncovered jar.
-disproved spontaneous generation
What are the 3 domains?
Bacteria
Archaea
Eukarya
What are the three parts of the nucleus?
envelop, chromatin, nucleolus
What is the mitochondria?
Powerhouse of the cell-makes energy (lightning bolt)
What is a response and a stimuli?
Action or change in behavior
Change in an organism over time
What are the 6 characteristics of living things?
Response to surroundings (stimuli)
Growth & Development
Energy use (food)
Reproduce (make babies)
Made of chemicals
Cells are organized
What are the 4 Kingdoms of Eukaryotes?
Fungi
Animals
Protists
Plants
What is ER?
Transports proteins (truck)
What are golgi bodies?
Packages proteins