AP BIOLOGY

ANIMAL PHYSIOLOGY

OSMOREGULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Plants that live in saline environments are called:
A
Halophytes
B
Hydrophytes
C
Xerophytes
D
All of the above
Explanation: 

Detailed explanation-1: -A halophyte is a salt-tolerant plant that grows in soil or waters of high salinity, coming into contact with saline water through its roots or by salt spray, such as in saline semi-deserts, mangrove swamps, marshes and sloughs and seashores.

Detailed explanation-2: -Halophytes are plants that can withstand salt. They are greater osmotic pressure, salt-tolerant plants that thrive in more salinity and have the capacity to withstand higher salt concentrations. Marshes and seashores are rife with halophytes.

Detailed explanation-3: -Halophytes are plants which naturally survive in salt-contaminated environments and can tolerate salinity concentrations as high as 1 M NaCl (Flowers and Colmer, 2008; Kumari et al., 2015). About 1% of the total flora of the world (both dicots and monocots) are halophytic plants.

Detailed explanation-4: -Halophytes live in salt marshes and are exposed to excessive salt as well as physiological drought.

Detailed explanation-5: -Salt marshes are coastal ecosystems developed in temperate zones, occupied mainly by halophytic vegetation that can be exposed, in some cases, to tidal flooding.

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