Most animals need to eat to stay alive, but dolphins manage to do it while keeping their weight under control. It’s a mystery to biologists how they do it, because dolphins don’t eat much, at least by human s
They do so to kecp their eggs from other animals. Do you know the name of a small frog? It is called a tadpole.Small frogs, or tadpoles, eat algae and other green plants. They have gills like fish and also have fins to help them swim.Tadpoles go through a whole change of form....
Sea slugs steal algae to use as energy from photosynthesis. HowStuffWorks shines a light on these energy thieves.
How do plankton, nekton and benthos depend on one another? How do fish survive in the abyssal zone? What do phytoplankton need to survive? How do animals in the abyssal zone survive? What is the lifespan of algae? How do coral reefs eat?
But how do such a wide range of organisms know when to eat? An important factor is circadian rhythm, an approximately daily physiological cycle shared by organisms as diverse as animals, plants, bacteria, and algae. It serves as a “master clock” which regulates rhythmic behavior. But animals...
How do aquatic organisms survive in Arctic region? How does algae adapt to coral reefs? How many animals live in the aquatic biome? What adaptation does moss have in the taiga biome? What marine biome has the most biodiversity? What are some animal adaptations for living in the grasslands?
Smaller jellyfish eat algae and other tiny plankton called zooplankton. Larger jellyfish eat crustaceans and other bigger aquatic animals. They don't seek out people to attack -- their nervous system is too simple to do that. Their sting is both a defense mechanism and a way to capture ...
Would it be simple forms of life such as bacteria, viruses or algae, or more advanced, multi-cellular creatures, perhaps even intelligent beings? Would aliens be animals, plants or have characteristics of both? Would they have arms and legs and walk upright as we do? Would they depend upon...
While slugs do try the patience of us gardeners, they’re not all bad. For example, the slugs found in compost heaps help with decomposition, speeding the process along. There are also lots of slugs that have no interest in your vegetables and prefer to eat things like algae instead. And...
Holothurians eat tiny animals, particles of algae and general sea junk out of the water using frilly tentacles they keep hidden in their mouths between meals. What they have in the way of a brain is a ring of nerve cells around their mouth that tells them when it's time to eat, ...