Concept explainers
a.
Introduction:
The department of the animals under the principal taxonomical classification, which comes between the Kingdom and Class, is called Phylum.
b.
Introduction:
The department of the animals under the principal taxonomical classification, which comes between the Kingdom and Class, is called Phylum.
c.
Introduction:
The department of the animals under the principal taxonomical classification, which comes between the Kingdom and Class, is called Phylum.
d.
Introduction:
The department of the animals under the principal taxonomical classification, which comes between the Kingdom and Class, is called Phylum.
e.
Introduction:
The department of the animals under the principal taxonomical classification, which comes between the Kingdom and Class, is called Phylum.
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Campbell Essential Biology (7th Edition)
- Describe the following general characteristics can be used to distinguish among Animal phyla: a. Embryonic germ layers b. Digestive system c. Presence/absence of body cavity (coelom) d. Skeletal supportarrow_forwardAn unidentified animal is noted to possess the following characteristics: triploblastic eucoelomate body a cuticle that is shed via ecdysis To which of the following phyla does this organism belong? Group of answer choices A. Echinodermata B. Annelida C. Arthropoda D. Nematodaarrow_forwardWhich of the following group of animals belongs to the same taxon? a.Obelia, Physalia, Sycon b.Sea pen, Sea fan, Sea urchin c.Nereis, Felis and Macropus d.Dogfish, Sawfish and Sting rayarrow_forward
- A mantle and mantle cavity are present in: a. phylum Echinodermata. b. phylum Adversoidea. c. phylum Mollusca. d. phylum Nemertea.arrow_forwardChoose which is FALSE among the following statements about the Phylum Annelida. A. Annelids have thin cuticle that is NOT made of chitin. B. Earthworms are segmented worms, either externally or internally. C. Leeches are segmented. D. Annelids are lophotrochozoans because of their presence of lophophores. E. Annelids are triploblastic and eucoelomates. Choose which is FALSE among the following statements about the different classes of the annelids. * A. Oligochaetes have few setae, while polychaetes have many. B. Oligochaetes are mainly terrestrial, while polychaetes are mainly aquatic. C. Oligochaetes have uniramous parapodia, while polychaetes have biramous. D. Both the Oligochaetes and Hirudineans have clitellium. E. Oligochaetes and Hirudineans are hermaphrodites, while Polychaetes have separate sexes.arrow_forwardSerial segmentation is a key characteristic of which of the following phyla? a. Mollusca b. Brachiopoda c. Bryozoa d. Annelidaarrow_forward
- While studying the embryonic development of an organism, you determine that the blastopore of the developing gastrula has developed into a mouth. Based on the Animalia tree discussed in class, which one of the following phyla could this NOT be? A. Chordata B. Mollusca C. Porifera D. Annelida E. Arthropodaarrow_forwardWhich phylum includes animals that have a water vascular system? a. Echinodermata b. Hemichordata c. Chordata d. Tetrapoda e. Amniotaarrow_forwardWhich of the following is NOT a characteristic of annelids? A.they have a closed circulatory system B.they reproduce through sexual reproduction C.there are both male and female earthworms D.they are able to sense vibrations in the groundarrow_forward
- In terms of numbers of species, the most successful phylum on the planet is the a. Mollusca. b. Arthropoda. c. Echinodermata. d. Annelida.arrow_forwardSponges (Phylum Porifera) are the basal taxon to animals and were once thought to belong to plants. 1) Identify three characteristics that distinguish sponges from plants. 2) Identify three characteristics (present or absent) that distinguish sponges from other animal taxa.arrow_forwardWhich of the following classes of arthropod possess chelicerae? a. Chilopoda b. Crustacea c. Hexapoda d. Chelicerataarrow_forward
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