C7: Adaptations of Plants Flashcards
1
Q
Habitat of Halophytes
A
- swampy habitat
- high concentration of salt
- low oxygen content
- exposed to high intensity of light
- river mouth, the meeting point of seawater and freshwater
2
Q
Classified mangrove tree
A
halophytes
3
Q
Habitat of hydrophytes
A
- aquatic habitat
4
Q
Classified elodea sp.
A
hydrophytes
5
Q
Habitat of mesophytes
A
- not too dry nor too wet
- adequate supply of water
6
Q
Classified hibiscus plant
A
mesophytes
7
Q
Habitat of xerophytes
A
- very dry and hot
- minimum water supply
- very high temperature
8
Q
Classified date palm
A
xerophytes
9
Q
leaves of halophytes
A
- succulent to store water
- thick cuticle and sucken stomota to reduce rate of transpiration
- hydathodes to eliminate excess salt
- old leaves store salt and fall off when conc of salt is too high
10
Q
function of hydathodes
A
to eliminate excess salt
11
Q
Root of halophytes branches widely and exist in various shapes and size. Why?
A
- to provide support for plant to live in soft and muddy soil
- prevent plant from being uprooted due to strong wind
12
Q
Name the hundred of the breathing roots that grow upwards above the surface of soil.
A
pneumatophores
13
Q
Name the pores on the root of mangrove trees
A
lenticels
14
Q
function of lenticels
A
for gases exchange
15
Q
Why does mangrove tree able receive water and mineral salts from seawater from roots?
A
Their cell sap has higher salt content than the seawater.
