Frequency of the light wave
The endocrine system is made up of a number of glands that secrete hormones. Glands and the hormones they release regulate many processes in the body; from growth, puberty, metabolism and reproduction, hormones play a role in almost everything we do
Answer:
Krill
Explanation:
Based on the information provided within the question it can be said that the the Crabeater Seal's main source of food are Krill. These are a type of shrimp that can be found in cold water such as Antarctica. Despite the misleading name Crabeater Seal' do not eat crabs seeing as since the are no crabs in Antartica.