2687805
CSI_1
- Plants
- lifecycle of a
flowering plant
- ways plants can be used
for crime solving
- use pollen to provide evidence to find the
suspect who walked through plant e.g mixture of
pollen matches the mixture found on suspect's
shoe
- counting the rings of tree roots growing
through a buried skeleton helps you work
out the minimum time the body was ther
- use pollen to provide evidence to find the
suspect who walked through plant e.g mixture of
pollen matches the mixture found on suspect's
shoe
- flowering plants reproducing
sexually
- when pollen grain lands on stigma , pollination
occurs. it th egrows a pollen tube down the style &
into the ovule where it fertilises with the ovum
- when pollen grain lands on stigma , pollination
occurs. it th egrows a pollen tube down the style &
into the ovule where it fertilises with the ovum
- main parts of a flower
- lifecycle of a
flowering plant
- Insects
- Features of an
instect lifecycle
- How is a certain
behaviour useful to an
organism
- fly larvae move towards or away from
phyisical enviromental factors( e.g light) .
The way the larvae move help them find
food. the thing they move to or away from is
the stimulus
- stimulus=a
change in the
environment of
something
- environmental
factors=things in
an enviroment
that can change
something about
an organism
- stimulus=a
change in the
environment of
something
- fly larvae move towards or away from
phyisical enviromental factors( e.g light) .
The way the larvae move help them find
food. the thing they move to or away from is
the stimulus
- sorts of behaviours
- Innate
behaviour= an
automatic, inbuilt
behaviour e.g
sleeping
- Learned
behaviour=A
behaviour that has
been changed due
to the experince of
the animal e.g
reading
- training dogs to respond to a stimulus by giving
them treats e.g training dogs to look for
explosives,drugs and dead bodies
- learned behaviour can be useful sometimes as
animals can learn it to communicate with other
animals of the same species e.g birds learn partcicular
songs from parents to attract mates
- training dogs to respond to a stimulus by giving
them treats e.g training dogs to look for
explosives,drugs and dead bodies
- social behaviour=
how an animal
communicates with
or reacts to other
animals of the same
speciese.g waggle
dance
- Innate
behaviour= an
automatic, inbuilt
behaviour e.g
sleeping
- Features of an
instect lifecycle
- humans
- neuron
- neurons=
specialised cells
that carry signals
called impulses.
- neurons=
specialised cells
that carry signals
called impulses.
- nervous system
- Human innate and learned behaviours
- innate
- sneezing
- crying
- drinking
- sneezing
- learned
- writing
- reading
- social
behaviours
- writing
- Criteria
- valid- relevant to the ecase
- accurate-the reslut of careful,
balanced questioning
- reliable- the answers given by
different people are the same
- valid- relevant to the ecase
- innate
- neuron
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