Question

Animalia Please Solve all Among the characteristic unique to animals is a. Gastrulation b. Multicellularity c. Sexual reproduction d. Flagellated sperm The distinction between sponges and other animal phyla is based mainly on the absence verstts the presence of a. A body cavity b. Complete digestive tract ç True tissues d. Mesoderm 3. Which of the following terms does not apply to you? a. Bilaterian b. Triploblastic c. Deuterostome d. Acoelomate A land snail, a clam and an octapus all share a. A mantle b. A radula C. Gills d. Distinct cephalization Which phylum is characterized by animals that have a segmented body? a. Cnidaria b. Platyhelminthes C. Arthropoda d. Mollusca The water vascular system of the echinoderms a. Functions as a circulatory system that distributes nutrients to body cells b. Functions in locomotion and feeding c. Is bilateral in organization even though the adult animal is not bilaterally symmetrical d. Moves water through the animal's body during suspension feeding Which of the following combinations of phylum and description is incorrect? a. Echinodermata bilateral symmetry as larvae, coelom present b. Nematode-roundworms, pseudocoelomate C. Plathyhelminthes. flatworms, gastrovascular cavity, acoelomate d. Porifera - gastrovascular cavity, coelomate Vertebrates and the urchordates (sister group) share a. Jaws adapted for feeding b. A high degree of cephalization C. An endoskeleton that includes a skull d. A notochord and a dorsal, hollow nerve chord 9.) Which clade does not include humans? a. Marimalia b. Chordates c. Amniota d. Marsupials (10. Which of the following is not a characteristic of all chordates? a. Anotochord b. A segmented nervous system C. A dorsal hollow nerve chord d. A perforated pharynx Which one of the following key adaptations allows amniotes to occupy terrestrial habitats? a. The production of carbon dioxide as a metabolic waste product b. An unshelled egg protected by Jellylike material c. A dry skin largely impermeable to water d. A lightweight skeleton with hollow bones

Answer 1

1. A. Gastrulation is a unique character of animal

Gastrulation is a process of development in foetus

2. C. True tissue, In sponges they have cellular level of organisation

3. D. Acoelome because the human body lined with true coelome

4.

5. C. Arthropods exhibit segmentation

6. B. Water vascular system helps in locomotion and feeding

7. D. Porifera has no coelome hence the option D is in correct

8.

9.