Questions and Answers 100% Pass
biology - ✔✔study of life
characteristics of life - ✔✔1. growth
2.homeostasis
3. reproduction
4. metabolism
5. heredity
6. responsiveness (evolve)
scientific method - ✔✔how scientists study biology
scientific method (process) - ✔✔create hypothesis
test hypothesis
collect data
analyze data
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,natural selection (scientists) - ✔✔Charles Darwin and Alfred Wallace
natural selection - ✔✔survival of the offspring that was best adapted to their living
conditions
natural selection
(reproduction) - ✔✔sexually reproduce many more offspring
natural selection
(identical or not identical) - ✔✔not identical and show variations based on genetic
differences or variations (i.e. adaptations
Robert Hooke (1665) - ✔✔looked at cork under a microscope and called it a cell
Anton Von Leeuwenhoek (1675) - ✔✔looked at pond water under a microscope and
saw tiny moving organisms and called them animolecules
Matthias Schleidon (1838) - ✔✔said plants were made of cells
cell theory - ✔✔1. all living things are made of one or more cell
2. cells are the basic units of structure and function in organisms
3. all cells come from existing cells
Theodor Schwann (1839) - ✔✔said animals were made of cells
Rudolph Virchow (1858) - ✔✔all cells come from preexisting cells
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,cell membrane - ✔✔phospholipid bilayer that is semiperopheralble
cell wall - ✔✔outside of the cell membrane made of carbohydrates
cytoplasm - ✔✔jelly like substance in the cell that holds the structures in place
organelles - ✔✔membrane-bound subunits in a cell with specific functions
cytoskeleton - ✔✔supportive structure made of micro tubes, microfillaments, and
intermediate filaments
prokaryotic cells (prokaryotes) - ✔✔simple cell organization with no nucleus and no
other membrane bound structures
eukaryotic cells (eukaryotes) - ✔✔complex cell organization with membrane bound
structures (all located inside the cell membrane)
(eukaryotic or prokaryotic) has a nucleus? - ✔✔Eukaryotic cells have a nucleus
(eukaryotic or prokaryotic) no membrane bound structures? - ✔✔Prokaryotic cells do
not have membrane bound structures
(eukaryotic or prokaryotic) what bacteria is considered - ✔✔Bacteria is considered a
prokaryotic cell
(eukaryotic or prokaryotic) has cytoplasm? - ✔✔Both have cytoplasm
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, (eukaryotic or prokaryotic) DNA is located in the nucleus? - ✔✔Eukaryotic cells have
their DNA in the nucleus
(eukaryotic or prokaryotic) has a cell membrane? - ✔✔Both have cell membranes
nucleus - ✔✔contains DNA; controls cell
(eukaryotic or prokaryotic) DNA floats in cytoplasm? - ✔✔Prokaryotic cells have their
DNA floating in the cytoplasm
(eukaryotic or prokaryotic) has ribosomes? - ✔✔Both have ribosomes
(eukaryotic or prokaryotic) what protists, fungi, plants and animals are considered -
✔✔Protists, fungi, plants, and animals are Eukaryotic cells
(eukaryotic or prokaryotic) doesn't have a nucleus? - ✔✔Prokaryotic cells don't have
nuclei
(eukaryotic or prokaryotic) has membrane bound organisms? - ✔✔Eukaryotic cells have
membrane bound structures
(eukaryotic or prokaryotic) has DNA? - ✔✔Both have DNA
(eukaryotic or prokaryotic) all are unicellular? - ✔✔All Prokaryotic cells are unicellular
(eukaryotic or prokaryotic) some are unicellular and some are multicellular? -
✔✔Eukaryotics cells can be either unicellular or multicellular
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