Biodiversity And Its Conservation Ques 34
34. Which group of vertebrates comprises the highest number of endangered species?
[2003]
(a) Birds
(b) Mammals
(c) Fishes
(d) Reptiles are a class of cold-blooded vertebrates that include snakes, lizards, turtles, crocodiles, and alligators. They are characterized by their scaly skin, lay eggs on land, and have a four-chambered heart in crocodiles and alligators. Reptiles are ectothermic, meaning they rely on external sources to regulate their body temperature. They are found in a variety of habitats, including deserts, forests, and aquatic environments.
Show Answer
Answer : b
Hints & Solutions
(b) Mammals are a class of vertebrates characterized by the presence of hair or fur, mammary glands, and a neocortex in the brain. They are endothermic, meaning they regulate their body temperature internally, and typically give birth to live young.
BETA
