EVERYDAY SCIENCE

SCIENCE

PLANT KINGDOM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
which one of the following is
A
Dryopteris
B
Sallvinia
C
Adiantum
D
Equisetum
Explanation: 

Detailed explanation-1: -Salvinia is a heterosporous pteridophyte because it produces two types of spores: microspores and megaspores.

Detailed explanation-2: -Belonging to the family Salviniaceae, Salvinia is its genus. Commonly, it is addressed as watermoss. These species are related to the other water ferns such as the mosquito fern, Azolla.

Detailed explanation-3: -Complete answer: Salvinia is a true aquatic fern with both annual and perennial species ( e.g., S. nutans) (e.g., S. Molesta).

Detailed explanation-4: -Salvinia molesta, commonly known as giant salvinia, or as kariba weed after it infested a large portion of Lake Kariba between Zimbabwe and Zambia, is an aquatic fern, native to south-eastern Brazil.

There is 1 question to complete.