Question

Compare the respiratory organs in various classes of vertibrata

Answer 1

Answer:

2 cahmber heart in pises

2 chmber heart in birds

3 amphibians

3 chamber heart in reptiles only crocodile have hai 4 chamber heart

4 chmber in mammals

Answer 2

Answer:

Molluscas

Around 85,000 extant species of molluscs are recognized. Molluscs are the largest marine phylum, comprising about 23% of all the named marine organisms. Numerous molluscs also live in freshwater and terrestrial habitats and require gills as their respiratory system.

Porifera

Porifera are divided into three classes: Calcarea, Glass Sponges, and Demosponges. They all obtain oxygen through oxygen diffusion. This allows oxygen to pass from the water into the body of the Porifera to be used as nutrients. No organs are necessary in the respiratory system.

Cnidaria

Consisting of 1,000 marine and aquatic animals the respiratory system works by regenerating. This allows the animals to recover from injuries and reproduce asexually.

Platyhelminthe

Simple, unsegmented, and soft-bodied, the Platyhelminthe phylum are simple animals. They do not have any formal respiratory system. Their flat bodies allows oxygen to enter through diffusion.

Nematoda

Nematodes are the most diverse phylum because they consist of 1 million various species. Much like the Porifera and Platyhelminthe phylums the Nematodes respiratory system is through oxygen diffusion.

Annelida

22,000 species of segmented worms are found in marine environments. Found from tidal zones to hydrothermal vents, Annelida their respiratory systems are through the skin. However, many polychaetes have gills just as molluscas.

Arthropoda

The Arthropoda is a phylum consists of invertebrate animals with an external skeleton and a segmented body. Their respiratory system depends on their environment and the subphylum they belong to. Arthropods have tracheae and book lungs as respiratory organs. They have tiny tubes that permit passage of gases into the interior of the body.

Echinodermata

Containing marine animals, the species in the Echinodermata phylum contain an herbal system to respire. Depending on their environment determines the various respiratory system.

Chordata

The chordata phylum is the phylums that consists of animals possesing a notochord. Animal in the phylum chordata are mammals, fish, amphibians, retiles, and birds.

Explanation:

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