While broadly recognized for their convergent thermoregulatory, camouflage and sexual display functions, hairs and feathers are rarely thought of as deadly defence tools. Several recent studies, however, show that in some species of mammals and birds, the integument can, in fact, be a de facto ...
These snakes probably developed this form of reproduction because they are very poisonous and defensive. Therefore, the eggs stay inside her rather than in a nest so no one messes with them. Final Thoughts Generally, reptiles are egg-layers. This suggests that some snakes only developed to give...
These are all traits that the platypus share in common. However, there are a few key differences between the platypus and most mammals. The platypus has a more reptile-like gait because the legs are located on the side of the body rather than underneath. They also have extra bones in the...
The amniotic egg is the key characteristic of amniotes. ... In mammals,membranes that are homologous to the extra-embryonic membranes in eggs are present in the placenta. Additional derived characteristics of amniotes include waterproof skin, due to the presence of lipids, and costal (rib) ventil...
(e.g. African wild dogs and wolves) often drag their prey back to the habitat for regurgitating it to their offspring. Koalas are known to feed on poisonous eucalyptus leaves and makes special feces of partially digested and detoxified material on which the weanling feeds. Due to lactation...
They also have a tail like that of beavers. The platypus uses its tail to swim in water and search for food, which includes various insects and fishes. Platypuses are pretty poisonous as well and they use this poison to protect themselves against the attackers. ...
What is a distinguishing factor that separates mammals from other animals? What structure do all vertebrates have in common? Which of the following is a characteristic of most amphibians? a. They breathe with gills throughout life. b. They have poisonous glands. c. They have dry...
-Feeds heavily on Amanita mushrooms which are poisonous to humans Eastern Gray SquirrelSciurus carolinensis -Most commonly seen mammal in MI-A black morph is born black and will stay black-squirrels find food by smell not memory-A squirrel can have up to 7 dreys, which will be used as an...
the paucity of grazing animals meant that plants developed no defenses, such as spines, poisonous chemicals, or bitterness.The remoter islands had a very high proportion of endemism—that is,of species that existed only there.In the case of Hawaii, as many as 99 percent of the species were ...
It is estimated that about 10 million people go into coastal waters every year to get a closer look at whales. When the eco-tourists try to have a look at the __21___mammals rising above the water line, killer whales lives are greatly__22___, though they are the top of the food...