Phylum: Arthropoda. Class: Arachnida. Order: Araneae. Family: Theraphosidae. Genus: Brachypelma. Species: B. vagans. Domain: The Redrump Tarantula belongs to the domain Eukarya because it obtains a true nucleus, and membrane bound organelles. These same traits can be seen in many organisms we know even wasabi! Learn more about wasabi.
In simple words, collateral is an asset which borrower pledge to the lender as a security against the loan. In case borrower failed to pay back the loan amount to the lender, lender can sell the asset to recover his loan amount hence reduces the risk of lender.
The borrower will have to pledge the asset as collateral to the bank when the loan is taken out. In case if the borrower defaults from making loan repayments, the lender can seize the asset, sell it and recover their losses. A mortgage is a loan that is taken out by keeping a real estate asset as collateral.