All Q2 Flashcards
All the different forms of
life created by God.
Theory of special creation
- Lord Brahma created the living
world in one stroke
Hindu COncept
God created this
universe, plants,
animals and human
beings in about
six days
CHRISTIAN &
ISLAM BELIEF
life
originated elsewhere and
migrated to Earth
Cosmozoic theory
Aristotle (384 –322 BC) Proposed
the theory of spontaneous generation
Idea that living things can arise from
nonliving matter
Abiogenesis
an English scientist
claimed that there was a
“life force” present in the
molecules of all inorganic
matter
John Needham
Russian scientist hypothesized
that the atmosphere of primitive
earth contained gases like
ammonia, methane, hydrogen and
water vapour.
ALexander Oparin
hypothesized
that the chemicals in the early
atmosphere, fueled by sunlight,
would spontaneously create
organic molecules
Urey Miller
belief that life originates
from pre-existing life
Biogenesis Theory
did an
experiment with flies
and wide-mouth jars
containing meat
fRANCISCO REDI
Boiled soups for almost an hour and sealed containers by melting the slender
necks closed.
Lazzaro Spallanzani
➢ cells tissues organs organ system organism
High degree of organization
A pygmy seahorse camouflaging itself with its environment
. Evolutionary adaptation/ evolution and adaptation
A jackrabbit’s ears opening wide, vividly showing its blood vessel
Regulation and Homeostasis
A butterfly obtaining fuel in the form of nectar from flowers.
ENERGY PROCESSING
A sprouting seed
Growth and Development
A damselfly landing on a venus flytrap, with the flytrap rapidly closing its trap
Ability to respond to stimuli
A garden showing lush vegetation and diverse animals
dEIVERSITY OR UNITY
factors that living things react to
Respond to Stimuli
used to run the prrocesses of life
require and use energy
a relatively stable environment
homeostasis
coined the term “cell” when he first observed tiny compartments in a sliced piece of cork from a mature tree in 1665. He gave them the Latin name “cellulae” meaning
small rooms
Robert Hooke
was the first to see individual organisms and recognized them as living units in 1677
ANton Van leeuwenhoek
introduce the concept that all plants made up of cell
Matthias Schleiden
imtroduced animals are made up of cells
Theodore Schawann
he found out that cells divide to form new cells.
Rudolf Virchow
organisms whose lacks nucleus and other membrane
prokaryotes
contains nucleus
eukaryotes
control all the cell functions
nucleus
semi-permeable membrane that controls what goes into
and out of the cell.
plasma membrane
consists of a jelly-like substance where all the other
parts of the cell are located.
cytoplasm
is made of stiff material that forms the outermost part
of plant cells
- This gives shape and protection to them.q
cell wall
are important in plant cells because it is where food is
made
- It contains chlorophyll which absorbs energy from the
sun to make food for plants.
chloroplasts
store water, thereby maintaining rigidity to cells and
provide support for plants to stand upright
vacuole
Power house of the cell
mitpchondria
Site of protein synthesis
ribosomes
Production of secretory protein synthesis
rough er
Produces Lipids
smooth er
Plays a role in modification, sorting, and packaging
of substances
golgi body
break down food, bacteria and worn out cell parts
also known as digestive sacs
lysosomes
Produce spindle fibers for cellular division
Centrioles