What phylum does a leech belong to?
phylum Annelida
Are leeches oligochaeta?
…tube-dwelling, forms; the earthworms (Oligochaeta); and the leeches (Hirudinea). All species are simultaneous hermaphrodites; i.e., the functional reproductive organs of both sexes occur in the same individual. Development and growth are direct, with no larval stages.
What phylum do leeches and earthworms belong to?
Segmented worms make up the Phylum Annelida. The phylum includes earthworms and their relatives, leeches, and a large number of mostly marine worms known as polychaetes.
How are leeches different from earthworms?
Leeches are segmented, and thus annelids, and like earthworms they lack the parapodia found in polychaetes and possess a clitellum for reproduction. They differ from earthworms in that they are flatter and actually lack a complete coelomic cavity; which most annelids do have.
How many hearts do earthworms have?
Heartbeats: Worms don’t have just one heart. They have FIVE! But their hearts and circulatory system aren’t as complicated as ours — maybe because their blood doesn’t have to go to so many body parts. Moving around: Worms have two kinds of muscles beneath their skin.
What does a cow have 4 of and a woman has 2 of?
Nipples or teats. Cows have four of them, dogs usually have eight and a human (assuming that’s who’s reading this) has two. Cows milk standing up, dogs often lie down and women usually sit when breastfeeding. Nipples or teats.
Why do cow have 4 stomachs?
The four compartments allow ruminant animals to digest grass or vegetation without completely chewing it first. Instead, they only partially chew the vegetation, then microorganisms in the rumen section of the stomach break down the rest.
Why do cows have 4 stomachs kids?
The four compartments of a cow’s stomach are the rumen, reticulum, omasum, and abomasum. Grasses and other roughage that cows eat are hard to break down and digest, which is why cows have specialized compartments. Each compartment has a special function that helps to digest these tough foods.
What are the 4 stomachs of a cow called?
Ruminant stomachs have four compartments: the rumen, the reticulum, the omasum and the abomasum. Rumen microbes ferment feed and produce volatile fatty acids, which is the cow’s main energy source.
Could a cow digest a human?
Due to the complex nature of the ruminant animal’s digestive system, cattle and other ruminants are able to digest feeds that humans cannot.