Brown fat present in certain mammals is specialized in___________?

A. Providing insulation in cold environment.
B. Providing insulation in hot environment
C. Rapid heat production.
D. Controlling heat production.

Blubber a thick layer of fat is present in___________?
A. Fresh water mammals B. Terrestrial mammals C. Marine Mammals D. Flying mammals...
Mammals became dominant in__________?
A. Proterozoic era B. Mesozoic era C. Paleozoic era D. Cenozoic era...
Highly intelligent Mammals are_________?
A. rat B. dolphin C. bat D. Elephant Submitted by: Muzzamil Ahmed Keeryo...
Nitrogen is present in___________?
A. carbohydrates B. proteins C. lipids D. carbonates...
Notochord is present throughout life in___________?
A. Urochordates B. Cephalochordates C. Chordates D. Vertebrates...
Thick, waxy & leathery cuticle around leaves is present in___________?
A. Hydrophytes B. Mesophytes C. Xerophytes D. Halophytes...
Complex specialized flagellates living symbiotically in the gut of termites are___________?
A. Trichonymphas B. Trypanosoma C. Euglena D. Radiolarians...
Specialized protective coverings around megasporangium which vary in number are called_________________?
A. Sporangium B. Integuments C. Ovule D. Pericarp...
Hydra has no specialized excretory system because:
A. It does not produce waste material B. Due to absence of mesoderm C. The whole body cells are in contact with water D. It has pseudocoelom....
Brown algae are also known as___________?
A. Phaeophyta B. Rhodophyta C. Pyrrophyta D. Chrysophyta...