[Stems – leaves – roots]
3- The stems of desert plants
are mostly -
[Short and weak – strong
and tall – short and strong]
4- The stem of Elodea plant is
[strong – elastic – both]
5- is an example of
animals that undergo hibernation.
[Desert snail – jerboa –
frog – all the previous]
6- Water is stored in the
leaves of plant.
[Elodea – cactus –
calamagrostis – opuntia]
7- Leaves are reduced into
spines in the .................plant.
[opuntia – cactus –
wheat – Elodea]
8- Camel stores the food in
its hump in a form of .................
[Proteins – fats –
water]
Q.4: Compare between Elodea
plant and calamagrosits plant from:
Point of comparison
|
Elodea
|
calamagrosits
|
The environment
|
|
|
Roots
|
|
|
Leaves
|
|
|
Stem
|
|
|
Q.5: Mention an
example that clarifies:
1- Camouflage:
- .................
2- Hibernation:
- .................
3- Aestivation:
.................
Q.6: What happen in
the following cases:
1- Absence of air chambers in
the elodea plant's stem.
2- The disability of some
living organism to adapt with the environment.