Botany Year 9
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Transcript of Botany Year 9
SLO
Describe the 8 characteristics of Living Things
Justify whether an object is living or non living
Living or Non Living
All living things must:
M – ___________ – to get food, away from predators
R – ___________ – make energy from food
S – ____________ – detect changes in surroundings, know when its night or raining
C- _________________
G – _________ – get bigger
R – ___________– carry on species
E – _________ – sweat, breathe out, liquid and solid wastes
N – __________ - feed
Plant or Animal
Animals Plants
Are usually _____ or can
______ limbs
Are fixed or floating, some parts
can move __________
Obtain food by
_________plants or other
animals
Make their own food by
______________
Have a nervous system and
____________
Have __________ nervous system
or brain
Have well-developed
_______ organs
Have ________ special sense
organs
Respond __________ to
stimuli
Respond ___________to stimuli
Definition of Cell
A cell is the _______________ unit that is capable of performing __________ functions.
Cell Theory
Cells are the _________units of life.
All living things are composed of _________ and cell products.
All cells come from ___________– new cells are formed only by the _____________ of pre-existing cells
The cell contains inherited information (_________), which are used as instructions for _________, _____________ and development.
Cells are maintained as separate units by ________________
Animal Cell
A _____________ covers the whole cell.
The ______________ controls the activities of a cell.
The ______________ is a jelly like substance surrounding the nucleus.
Plant Cell
Has a __________made of __________
A ___________ covers the whole cell.
Has a __________ filled with __________
Has __________ containing a green substance called _______________.
Organelles
Structure Function Plant Animal
Cell Wall Structure and protection
Cell Membrane
Allows entry and exit of materials
Cytoplasm Contains chemicals for cell processes
Nucleus Controls cell functioning
Vacuole Temporary storage facility
Chloroplasts Location of photosynthesis
Success Criteria
1. Complete pages 116-117 Sci pad
2. Are cellulose walls found in animal or plant cells? What is the purpose of a cellulose wall?
3. Which part of a plant cell contains chlorophyll?
4. Which cells have a vacuole filled with sap?
5. Give two ways in which plant and animal cells are different.
6. Copy and label the diagrams below:
Using a Microscope
1.Place slide on ___________-
2.Adjust ________ to have maximum light
3.Turn _________ focus wheel all the way so that it is close to the _________
4.Look into _______ and focus using coarse focus
Making a Slide
1.Collect _______, coverslip, __________, specimen
2.Specimen onto slide, flat, _____, small
3._______ drop of stain
4.Lower cover slip from an ______
5.Wipe off excess ________
Drawing in Science
______D
_________sketching
Pencil
_________ in pen and horizontal
Title
No __________
Magnification (eyepiece _____ objective lens)
Large (at least _______ lines)
Use your imagination – interpret what you see
Aim: What are the requirements for germination of a seed?
Hypothesis: Seeds need ____________________in order to germinate
Equipment: 2 x petri dishes, filter paper, 20 x cress seeds, measuring cylinder, soil, black paper, fridge
Method:
Independent Variable:
Dependent Variable:
Number of seeds germinated after 5 days
Controlled Variables:
Germination
Results:
Graph: Germinating Seeds
Number seeds
Germinated
Cold Warm Hot
Condition Trial 1 Trial 2 Trial 3 Average (Germinated)
Cold
Warm
Hot
Conclusion:
In order for seeds to germinate they need _________. This is because . . . The hypothesis was correct/incorrect.
Evaluation:
The experiment was accurate because . . .
The experiment was reliable because …
In order to improve the experiment . . .
Germination Germination is the growth of a plant from a _______
Germination requires:
________
__________
___________
Complete Scipad pages 142-143
Function of Leaf Parts
25/01/2015
Leaf Part Function
Cuticle
Epidermis
Palisade layer
SpongyMesophyll Layer
Guard Cells
Stomata
Transpiration
Plants absorb water through their _______ via __________
Water is ________ up the stem via _______ action
Water ________ out of the _______ in the leavescooling the plant down
Stomata
Found in ______epidermis
Stoma – ______
Guard cells – _______
Guard cells are ___ of water the stomata is ___, and water can ____ and gases can go in and out of leaf
Guard cells are ____(____water in them) water and gases ____move in and out
Plant Terms:
Term Definition
Transfer of Pollen from anther to stigma
Joining of male and female sex cells
Growth from a seed to a plant
Releasing of an egg
Life Cycle of a Plant
This consists of 5 stages.
________________________________________________
(a) Pollination
(b) Fertilisation
(c) Fruit & Seed Development
(d) Dispersal of Fruit & Seed
(e) Germination.
Parts of a Flower
Structure Function
Attract pollinators
Protect flower
Makes pollen
Sticky and collects pollen
Holds up stigma and provides pathway to ovules
Holds anthers up high
Pollination
Pollination is the transfer of pollen from the _________ to the ________
Asexual – _____ pollination
Sexual/ Cross – _________ plants
SLO
List some of the methods that seeds are dispersed
Label the parts of a seed and describe their function
Fertilization
Pollen grows a pollen ______
Genetic material moves down into the ____________ and fuses with the _________
This forms a ______
Complete Scipad page 139
Seed DispersalFertilization occurs when the pollen grain and egg fuse to form a _________(seed)
Seeds need to be ______away from the parent plant to avoid _________ for:
Water
Light
Nutrients
Space
Seed Dispersal
________:
- Helicopters
- Parachutes
- Light
- Feathery
- Bland in colour
________:
- Hooks to catch onto fur
- Nuts for storage
- Fruit to eat
__________:
- explosions