Many arthropods have multiple distinct life stages. True False

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: Another name for reptiliomorphs is anthracosaurs True False

A: Answer: Introduction: The Reptiliomorpha term was given by Professor Gunnar Säve-Söderbergh in 1934…

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: Is a cat vertebrate or invertebrate

A: Cats are domestic animals. They are small carnivorous mammal.

Q: A man of 40-years old, who lives in the pise-walled house, came to the lab. He found in the wall…

A: Arthropods Arthropods are organisms belonging to the phylum Arthropoda. These are the invertebrates…

Q: Which of the following are characteristic of the nematode roundworm, Ascaris? (Select all the apply)…

A: Ascaris are worms classified as nematodes.

Q: distinction between venomous animals  and poisonous animals

A: Venom is infused through nibble or sting. Fundamentally, if an individual chomps an organism and…

Q: The body plan of an annelid displays _________ , meaning that the body is divided into a series of…

A: Introduction  Phylum annelida belongs to invertebrates,  Annelids were triploblastic, coelomates and…

Q: 1. All hymenopterans have narrow waists. true/false 2. Trichopterans have scales on their wings.…

A: Answer 1st answer true 2nd answer false

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: Scientific understanding of the evolution and phylogeny of the Arthropoda has changed enormously in…

A: Arthropods and annelids were thought to be closely linked for many years, with arthropods presumably…

Q: Examine figure 37.9 and its caption carefully. Which proglottids, mature or gravid, occur closest to…

A: Step 1 Platyhelminthes is a phylum of dorsoventrally flattened, acoelomate but triploblastic animals…

Q: this is a glandular system that aids in the regulation of water and salt in some species of…

A: Introduction  With over 28,000 species and an estimated 16,000 parasitic species, the phylum…

Q: Venom glands may be adaptations of modified ovipositors for venom injection in hymenopterans....what…

A: Answer: VENOM = It is the poisonous substance produced by many animals and insects which when…

Q: elminthes Nematoda Mollusca Annelida Arthropoda Echino Mantle and muscular foot Segmented jointed…

A: Introduction :- Cladistics is one of the approaches to classify the organisms . In this , organisms…

Q: Clams are a type of... Group of answer choices echinoderm cephalopod arthropod gastropod bivalve

A:

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…

Q: True or False: Snakes are considered invertebrates True False

A: Invertebrates are those animals that neither possess nor develop a vertebral column that is derived…

Q: Cnidarians and flatworms lack a circulatory system. True False

A: Cnidarians lacks any organs i.e they don't have any circulatory system or other system. And they…

Q: 36.Cadicone , referring to a loosely coiled , evolute ammonoid resembling a coiled snake Select one…

A: Ammonites are a group of extinct marine mollusks in the subclass ammonoidea of the class…

Q: a desert millipede is an invertebrate, explain the mechanism of their protective structure. provide…

A: Answer: Introduction: Millipedes are type of arthropods which are containing two pairs of connected…

Q: Man appealed to the laboratory in Middle Asia. He lived in village in the pise-walled house and…

A: Ticks Ticks are small parasites belonging to the phylum Arthropoda, capable of causing various…

Q: Coelomates are Multiple Choice animals that have no coelom. animals that have two coeloms. animals…

A: Animals are the multicellular eukaryotic organisms that form the biological kingdom Animalia. With…

Q: In arthropods the open circulatory system is the primary means by which cells receive oxygen for…

A: Arthropods are characterized by having joined appendages as 'Arthro'  means joined and 'pods' means…

Q: With respect to nematode reproduction and reproductive structures, which of the following statements…

A: Nematodes are roundworms belonging to the phylum Nematoda and part of the Kingdom Animalia. they are…

Q: Which of the following describes the blastula development in frogs or anurans? Select the correct…

A: In  frogs , the cleavage is Holoblastic and unequal division with the mesolecithal egg .Here the…

Q: Identify the phylum/class of invertebrate that matches this description: These animals lack a…

A: Helminths are worm-like parasites that live by feeding on the living host. They gain protection and…

Q: Gonads and muscles of bilateral animals are derived from endoderm. True False

A: When fusion occurred between male amd female gametes and zygote is produced , it undergo certain…

Q: Vertebrates have existed for over half a billion years True False

A: Early in the Cambrian period, some 530 million years ago, an immense variety of invertebrate animals…

Q: a desert millipede is an invertebrate, explain the mechanism of their protective structure. provide…

A: Scientific explanation

Q: The arthropod pericardium is a coelom. O True O False

A: Arthropod are invertebrate animals equipped with jointed appendages. In the year 1845 , Von Siebold…

Q: Amphioxus is a cephalochordate true false

A: A cephalochordate is a group of animal in the in the phylum chordate. These animals possess dorsal…

Q: Members of the phylum Platyhelminthes have two body forms: free-swimming medusa and stationary…

A: The phylum Platyhelminths includes the soft bodies worms that are bilateral and unsegmented…

Q: a japanese spider crab is an invertebrate, explain the mechanism of their protective structure.…

A: The Japanese spider crab is a type of marine crab that can be found in Japan's oceans. It is the…

Q: If an animal has coelom, you also would expect it to exhibit: cephalization bilateral symmetry a…

A: The coelom is the fundamental body cavity in many animals and is situated inside the body to…

Q: The body plan of an annelid displays. meaning that the body is divided into a series of repeated…

A: The phylum Annelida is an invertebrate phylum. Annelids are triploblastic coelomates with bilateral…

Q: a japanese spider crab is an invertebrate, explain the mechanism of their protective structure.…

A: Invertebrates

Q: Choose correct answers | All insects have ocelli. Both coronal and frontal sutures split during…

A: Correct options are: B i.e. both coronal and frontal suture splits during Molting. D i.e. tentorium…

Q: Nephridia are found in     jawless fishes.     lancelets.     annelids.     cephalopods.…

A: Nephridia is an excretory organ which is found in many of the invertebrates, it is just a tubular…

Q: In spiders, pedipalps are useful for: (mark all that apply) osmoregulation palping the peds sexual…

A: As per our policy we are answering the only one question.  Rest of the question kindly repost the…

Q: Ctenophores are carnivores. O True False

A: The animals are characterized by different attributes like presence of cilia, combs, pores, fins,…

Q: During embryonic development, if the blastopore of the gastrula forms the mouth opening second (anal…

A: C. deuterostome are correct answer. The animal is classified as a deuterostome.

Q: True or False. The body surface (tegument) of trematodes and cestodes is composed of non-living…

A: Introduction:- Cestodes are parasitic worms belonging to the Cestoda taxonomic group. Cestodes are a…

Q: The cnidocytes found in hydras and jellies are; Cells that secrete digestive enzymes Stinging cells…

A: The cnidocytes are known as the 'Stinging cells', which are special cells of the phylum Cnidaria.…

Q: A unique feature of the gastropods is that they undergo the process of embryonic torsion. This…

A: The Gastropod group of animals belong to the Kingdom Mollusca. They are characterized by the…

Q: Animals in the phylum Cnidaria were the first to develop nerves and muscles. True False

A: We have seen animals like jelly fishes in the oceans . We have other unique set of animals which are…

Q: Triploblastic animals that lacks a through-gut and coelom

A: Triploblastic organisms are the ones that are developed from three germ layers. These layers are…

Q: Which one of the following arthropods has biramous appendages?     scorpion     mite…

A: An arthropod is an invertebrate animal having an exoskeleton, a segmented body, and paired jointed…

Q: Peramorphosis can occur when a feature, such as horns, ______in a descendent than in its ancestor.…

A: Heterochrony can be defined as the change in time or rate of development in relation to an ancestor.…