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Solen 0 Thought How Do the anterior docs 8 animals Explain 3 Questeomocess = animals with Joryan with 4 different 1 j gastrovascular word pseudocoelom oltcn 1 1 se...

Question

Solen 0 Thought How Do the anterior docs 8 animals Explain 3 Questeomocess = animals with Joryan with 4 different 1 j gastrovascular word pseudocoelom oltcn 1 1 sefsca docthe digesting digest their have a body 1 food? cavity? amterior end of the The 1 anterior 1 tapeworm end ol & from thc 1 process L sponpesyWhat advantage there to having a body 1 and a scparate mouth and anus?

Solen 0 Thought How Do the anterior docs 8 animals Explain 3 Questeomocess = animals with Joryan with 4 different 1 j gastrovascular word pseudocoelom oltcn 1 1 sefsca docthe digesting digest their have a body 1 food? cavity? amterior end of the The 1 anterior 1 tapeworm end ol & from thc 1 process L sponpesy What advantage there to having a body 1 and a scparate mouth and anus?



Answers

Consider the chordate characteristics described in Chapter 32 (notochord, dorsal hollow nerve cord, postanal tail, and pharynx with slits, a deuterostome characteristic). How are they evident in a human embryo? Do they have the same functions in humans as they do in a less specialized chordate, such as amphioxus? Why have they persisted in humans?

The right answer to this question is option B. That is all the characters given in the question are related to Glad to help in this. Let's highlight some of them. A. They absorb nutrients, absorb nutrients from horse directly from post, directly through their body surface. Through there body surface, body surface. 2nd, we can also add that digestive system, digestive system, digestive system is incomplete is incomplete, branched, branched, and without anus and without anus without ennis. 3rdly, we could say that flame cells, flame cells or so leno site so little site proton, A Freedia protein, A Freedia crotona Freedia, help in the exclusion and help in the excretion and excretion and all small regulations or small regulations. Another features hooks and psychos. A present books and suckles are present are present in parasitic form in parasitic phone. We can also add that they are home of Freddie. I'm afraid it's another one is fertilization is internal fertilization is internal, is internal. And finally indirect development, indirect development, indirect development through many novel stages. Through many large hostages larval stages. I hope this is clear to you. Thank you

The right answer to this question is option C. That is the features of features off cordage card IDs include having an autocad have the note of God. Then we can say that Cns is dorsal his dorsal hollow and single, full and single, also adding parents perforated violence. That's what I did. Perforated by gill slits by gill slits. Another thing is heart is mental. Heart is vendrell and finally adding a post anal. A post edel is present is present. I hope this is clear to you. Thank you.

First up in our comparisons are flatworms. Flatworms have an incomplete digestive tract, meaning that food can only enter and exit through one opening. Inside the flatworm phylum, we see two general types inside free living and many parasitic flatworms. It goes something like this. We see food being consumed through her mouth, moving there're a muscular pharynx and then from there into a very long and branching intestine. But since food could only enter and exit through one opening, the UN processed food has to move back out all the way through the system and then back out the mouth. And then, of course, we have tape worms. Tapeworms have essentially evolved to be one very long digestive system with their body. We have their head and at the tip, our Siris of either hooks or suckers. As for the body, we have a Siris of varied, long, repeatedly long repeated segments. Tapeworms are parasitic, living in their hosts intestine. Since they have picked their location pretty opportunity. Their food that they are able to access is already digested. Tapeworms are able to absorb this digested food straight through their body wall dodge being short for digested food as for why this is adaptive. Tapeworms have eliminated a lot of their bodily systems in favor of maximizing their reproduction. Inside. All of these body segments are both male and female reproductive organs that are using their undigested food to make a lot of eggs and pass them through the intestine and out of their hosts body. So tapeworms have eliminated ah lot of their body in favor of maximizing reproduction. It's not a tape. As for the general flatworm body, this could be adaptive as well. The intestines take up most of the body, and not only do they absorb the animals food, but they absorb other things as well, like oxygen. Since the digestive system does everything in animals, regular circulatory system might dio flatworms have evolved the need for no circulatory system at all, saving the energetic costs as well, so sometimes simple. While it may not be better in terms of the actual digestive system in favor of a complete one as well C, it can save the animal energy as well. Next up we have analysts, analysts have a complete digestive system or got our complete digestive tract again died short for digestive, meaning that food can enter one way and exit another for the General Angela digestive system, both free living and parasitic. We see food being consumed through a fair inks moving through the esophagus down to a crop where it could be stored. From there it goes through a gizzard where it could be processed from there into an intestine where nutrients could be absorbed. Yeah, and finally exiting out of the animals anise. Now, this sort of complex, more complex digestive system is adaptive because it allows for functional specialization. Yeah, this means that the body part can be divided in having each part serve its own task. We can directly see this inside analysts because their digestive system is complete. Food can enter one way and exit the other. We see it divided into multiple tasks. Ah, crop for storing food, a gizzard for processing it, and an intestine for actually absorbing. So we can see complexity could be adaptive as well as it allows for more specialized processing of food. Something things up. We have two very different types of animals. Flatworms have an incomplete digestive tract which isn't quite efficient as theano lead complete digestive tract, but it allows for a more simpler lifestyle, either having no need for circulatory system or most of its body systems at all. And we have analysts having a complete digestive tract allowing for functional specialization and better processing of their food.

We're has to describe the four key sin Apple more fees of the court dates and then talk about how they're related to either movement or feeding. So soon, Apple more fees, and I'm gonna try to go through this quickly. First up is the note, according remember and No tick or is ah, a tube that typically life to the center of the body from the dorsal Hollander record. And it is, ah, stiff but flexible. And often muscles are arrayed along it and the muscle contract against it and that allows for swimming. Um, our second. What feature is the dorsal Hollander cord? And of course, this is to the back to the outside of the note accord. And as the name implies, it's a nerve cord. Alright, it contains nerves. And, um, are spinal cords are basically dorsal Hollander cords, and so they allow the coordination of movement throughout the body because nerves from the muscles come into the nurse, a holiday record and nurse Thanks. It'd go out to the muscles, so this allows for the coordination of movement Very important. Third up is a post anal tail. So just means in a sense that the the spinal cord intraday by vertebrates or the dorsal Helen nerve cord extends beyond the posterior part of the body. Eso think of a dog's tail that extends past its legs right s so is opposed a tell tale and this can wiggle or wah go back and forth an aide and swearing. And of course, it also AIDS and balance in terrestrial mammals. And then finally, the 4th 1 does Doesn't have that much to do with movement Doesn't have does a lot to do with feeding are the fair in jail slits. And remember the fair and gill slits, uh, can develop into gills and similar structures And so they're often used in filter feeding or drawing water into the mouth and then squeezing it through Ah, uh, the gills or something like that. So they're often involved in filter feeding. Incidentally, the other part of this question is, uh, how is that? You could be according, but not a fertile bread. And remember that the several Accord otta that's the landslides and the euro cortana and those are the include the sea squirts core data. Um, both of these are groups that Air Corps dates, so they're in the file on core Datta, as their names implies. But they're not vertebrates because vertebrate is a separate group within the court dates. In a practical sense, they don't have a spinal cord averted murder Ray in the same fashion that we do a Zwirner prints. And so their coordinates. Um, but they're not vertebrates.


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