2017-01-20T11:01:25ZLearn interesting facts about dolphins and find out about the characteristics make them different from other animal groups, their life cycle and their evolutionary history.
2017-01-20T11:01:25ZCnidarians are a group of aquatic invertebrates that includes jellyfish, corals, sea anemones and hydras.
2017-01-20T11:01:25ZA slideshow of the most notable animals inhabiting the Amazon River Basin, including toucans, sloths and piranhas.
2017-01-20T11:01:25ZA slideshow of the 31 different types of invertebrates, ranging from amoeba-like placozoans to worms, lobsters, and octopuses.
2017-01-20T11:01:25ZJellyfish are a group of carnivorous cnidarians with a bell-shaped body and tentacles. Jellyfish are delicate, soft-bodied animals.
2017-01-20T11:01:25ZDefinition of Camouflage and how it helps animals.
2017-01-20T11:01:25ZLiving organisms face a constant barrage of external stresses or threats that challenge their ability to survive and reproduce.
2017-01-20T11:01:25ZScientists and conservationists who study the animal species that face a high risk of extinction refer to such species as endangered species.
2017-01-20T11:01:25ZMature forests often have several distinct layers including the forest floor, herb layer, shrub layer, understory, canopy, and emergents.
2017-01-20T11:01:25ZAcross the globe, human development now fragments a once-continuous landscape into isolated patches of natural habitats.
2017-01-20T11:01:25ZHere are the five main reptile characteristics, ranging from their vertebrate anatomies to their habit of laying hard-shelled eggs.
2017-01-20T11:01:25ZMarsupials are a group of mammals that give birth to their young at an early stage of their development.
2017-01-20T11:01:25ZProfile of bony fishes, a group of vertebrates characterized by having a bony skeleton unlike the cartilaginous fishes whose skeleton consists of cartilage.
2017-01-20T11:01:25ZEchinoderms are a group of marine invertebrates that includes star fish, sea lilies, feather stars, brittle stars, sea cucumbers and sea urchins.