Black worm is another name for a leech, and leaches do not have the ability to produce part (or all depending on the species) of there blood. So they must get it from somewhere, so they get it from whatever they can latch onto, its also full of nutrients to help growth.
Blackworms distribute nutrients (from food) and oxygen through their blood vessel to the rest of its body - hope this helped!
Tropical fish love black worm.
Our blood need to carry oxgen so it can help us in combustion
Because you need blood
we need air to breath and supply oxegen to our blood.
Blackworms distribute nutrients (from food) and oxygen through their blood vessel to the rest of its body - hope this helped!
mainly asexually
Why one or both ends of some of the blackworms are lighter in color than the rest of their bodies
Tropical fish love black worm.
The scientific name for a blackworm is Lumbriculus variegatus.
Wet moist soil underground is the best habitat for worms
You have to cut the worm in the middle of the body between the light and dark brown spots also known as the clitellum.
Earthworms and Blackworms both live in water and soil. also they breath through their skin.
If you're asking about California black worms, you can feed them sinking pellets or flakes, any fish food would be OK when the food start to spoil then the worms will eat it, just be careful no to over feed.
blackworms, bloodworms, mosqito larve, betta pellets, daphnia, infursia, baby brine shrimp, tublex worms, ect.
No, leeches stand little chance of catching the very quick mosquito larvae. Leeches tend to feed on fish, often attaching themselves to the fish right before they are swallowed and then moving to the gills where they suck the fish's blood.
No there does not need to be a lot of blood to transmit HIV.