Answer:
B:COTYLEDONS
Step-by-step explanation:
Cotyledon is defined as;it is the part of embryo present whithin the seed of a plant and is often referred as "seed leaf"
The number of cotyledons is a defining characteristic of angiosperms.Cotyledons are present in the embryo of the angiosperms.On the basis of the number of cotyledons ;angiosperms are divided or distinguished into two classes which are termed as;Monocotyledonae (Monocots) and Dicotyledonae (Dicots).
MONOCOTS
The species which have one cotyledon in their seeds are monocots.corn,wheat,barley,rice.
DICOTS
The species having two cotyledons are called dicots.peas,beans,peanuts.