AP BIOLOGY

PLANTS

ROOTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Mangrove plants will have what root type as a result of living in a swamp?
A
Tap
B
Fibrous
C
Adventitious
D
Pneumatophore
Explanation: 

Detailed explanation-1: -Pneumatophores, commonly found in mangrove species that grow in saline mud flats, are lateral roots that grow upward out of the mud and water to function as the site of oxygen intake for the submerged primary root system.

Detailed explanation-2: -The most typical adaptations of mangrove species resulted in many types of specialized roots: buttress roots (Xylo-carpus granatum), flying buttresses (Rhizophora sp.), sur-face roots (Excoecaria agallocha), prop roots (Rhizophora apiculata), stilt roots (R.

Detailed explanation-3: -Pneumatophores are roots that grow vertically upwards to get oxygen for respiration by plants growing in swampy areas. The pneumatophores are mainly found in mangroves, including Ceriops, and Heritiera. These roots are covered with small pores, through which oxygen can be absorbed and carbon dioxide can be released.

Detailed explanation-4: -Pneumatophores are adventitious roots. The term mangrove is also applied to the thickets and forests of these plants. Complete answer: Another name of Pneumatophores is called breathing roots.

Detailed explanation-5: -Farther ashore, black mangroves are known for sprawling underground networks of root snorkels, called pneumatophores, which poke up through the mud to help the tree breathe.

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