STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS
ANIMAL TISSUES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
A polar bear sleeps when it hibernates.
|
|
A tiger rests as it digests its food.
|
|
A lizard sits in the sun to get warmer.
|
|
A crocodile lays eggs in a nest.
|
Detailed explanation-1: -People, polar bears, penguins, and prairie dogs, like most other birds and mammals, are endotherms. Iguanas and rattlesnakes, like most other reptiles-along with most fishes, amphibians, and invertebrates-are ectotherms. Endotherms generate most of the heat they need internally.
Detailed explanation-2: -Animals can not make their food from carbon dioxide and water in presence of light because they lack the green pigment called chlorophyll.
Detailed explanation-3: -A surprising number of animals get energy from sunlight: the list includes salamanders, sea slugs, giant clams, sea squirts, jellyfish, corals, anemones, hydras and sponges.
Detailed explanation-4: -Maintaining temperature Many creatures bask in the sun to control their body temperature, a process known as thermoregulation.