Aquatic molluscs have a blood vascular system & metanephridia so they must also possess an unpartitioned coelom secretion kidneys terminal cells a partitioned coelom       If a respiratory pigment such as hemoglobin or hemocyanin is not present in blood the blood would not carry carbon dioxide the blood would not carry oxygen the blood would have decreased oxygen carrying capacity

Q: What arthropod characteristics are likely to have contributed to their success on land? Choose all…

A: The arthropods are eukaryotic animals belonging to the kingdom Animalia and phylum Arthropoda.…

Q: What are shared characteristics of all Molluscs? Choose All That Apply visceral mass mantle muscular…

A: Mollusc is the second largest phylum in animal kingdom. They can be terrestrial or aquatic. They…

Q: These differ from the other classes of sponges in that their cells are syncytial (multinucleate and…

A: Sponges are comes under the group called Porifera. The presence of pores on their body is a special…

Q: All acoelomate bilateral animals have protonephridia. Group of answer choices True False

A: ▪︎Acoelomates are the organisms which do not possess a body cavity.They are triploblastic, their…

Q: How do of eggs of diapsids differ from those egg of an amphibian? diapsid eggs are smaller and…

A: The correct response to this particular question will be, diapsid eggs have vascularized membranes…

Q: Which of the following is NOT a characteristic of nematodes? View Available Hint(s) O Adult…

A: Nematodes are worms that are very small and slender, measuring about 5 to 100 m thick and 0.1 to 2.5…

Q: Why do sponges have to eat things that are only 1 cell large? because their mouth is so small that's…

A: Sponges belong to the phylum Porifera. They are heterotrophic, multicellular eukaryotic organisms.…

Q: The picture below show a Cnidarian in what life stage? Polyp Medusa Cnidocyte O Hydra annelid

A: Any creature thought to be a member of the phylum, such as a hydra, jellyfish, sea anemone, or coral…

Q: The Insecta includes Chelicerata | Crustacea Collembola Curculionidae

A: Insects are hexapod invertebrates and the members of the is largest of phylum Arthropoda. Insects…

Q: Many arthropods have multiple distinct life stages. True False

A: Answer: The right option is: TRUE

Q: Annelida and arthropoda because they have are more complex that other, simpler invertebrate groups

A: Noto chord is absent in non chordates. Non chordates are classified on the basis of -  1.Level of…

Q: The Chondrichthyans include the (mark all that apply) O skates ray-finned fishes O hagfish and the…

A: Class chondrichthyes are a group of vertebrates with jaws and comprises of approximately 600 living…

Q: Out of all of these, which contains hox genes? Choanoflagellata Porifera Cnidaria…

A: Homeotic genes are a set of nucleotide sequences (genes), which govern the development of anatomical…

Q: Embryos with cleavage pattern depicted in panel A exhibit mosaic development. B True False

A: Note: As per Bartleby Guidelines, For Remaining Answers Please Repost The Question. Introduction:…

Q: Patrick the starfish and his friend Susie the sand dollar are both members of the

A: Patric the starfish and Suie the sand dollar are anime characters from the animated series SpongeBob…

Q: Diatoms function to sequester a significant amount of global carbon dioxide because O Their silica…

A: The correct option is -(c) which is they are photoautotrophs.

Q: Choose all the phyla we looked at in this lab that have a hydrostatic skeleton. nematodes molluscs…

A: Nematodes, mollusca and annelids all the three have hydrostatic skeleton. The hydrostatic skeleton…

Q: Which of these organisms is NOT in the clade Lophotrochozoa? Cephalopoda Gastropoda Bivalvia…

A: Lophotrochozoa is a clade of protostome animals with an early form of a mouth. It includes the…

Q: true/false 1. Siphonaptera has a laterally flattened body. 2. Sawflies have crochets on their…

A: The answers is given below

Q: Which of the following is NOT true about nematocysts? O They are structures housed in special cells…

A: Classification is the process of systematically arranging the entries in different levels on the…

Q: An organism classified in phylum Mollusca that is a predator with tentacles, a brain and complex…

A: Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: 82 81 83 80 O 79 78 75 76 77

A: Leeches have segmentation, they are parasitic or predator insects which belong to the order…

Q: Nematocysts in cnidarians are O reproductive cells O excretory organs sets of muscle cells O…

A: Cnidarians are a group of invertebrate animals that include jellyfish, sea anemones, corals, and…

Q: Which of the following animals is most closely related to hemichordates? Cow Earthworm Fish Crab Sea…

A: Hemichordates is the phylum that consist are worm-like invertebrates usually marine in nature.…

Q: Which of the following characteristics are found within the pseudocoelomate phyla…

A: Pseudocoelomates generally consist of a fluid-filled body cavity. They lack a true coelom, i.e they…

Q: Diplomonads have neither mitochondria nor hydrogenosomes. All ATP is produced in their cytoplasm.…

A: Diplomonads are anaerobic multi-flagellated eukaryotes that are mostly parasitic. They do not have…

Q: It forms pseudopods that ooze forward or backward. It contracts longitudinal muscles, which puts…

A: Ans- It contracts longitudinal muscles, which puts pressure on the hydrostatic skeleton and causes…

Q: Serial repetition of the body parts is most specifically referred to a O tacky metamerization…

A: As per batleby guidelines we have answer only  1 : You can repost rest of the question  Thankyou .

Q: in which of the following animals would you find nephrida Planarian Cnidarians Bivalves Nematodes…

A: The invertebrate nephridium is an organ that is found in pairs and functions similarly to the…

Q: The male copulatory organ of turbellarians is called a

A: Turbellarians belong to phylum Platyhelminthes.Temnocephala lamothei ,Dugesia aenigma,Dugesia…

Q: What are shared characteristics that are found in clams? Notable cephalization O Coelomates…

A: Clam is a common name for several kinds of bivalve molluscs. The word is often applied only to those…

Q: List 3 advantages of a coelom

A: The coelom is a hollow, fluid-filled cavity found in the metazoans (animals develop from an embryo…

Q: Animals that have a coelom; Are animals that lack a body cavity Are animals that lack a complete…

A: Answer) Animals that have a coelom are animals that have a true body cavity. Coelom: It is the…

Q: In flatworms gas exchange, nutrient transport, etc. involves diffusion alone a blood vascular system…

A: INTRODUCTION Flatworms These are acoelomic unsegmented worm having bilateral symmetry, and three…

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.