Homework Answers
Question no. 17- correct answer is- option "b".
Question no. 18- correct answer is- option "b".
Question no. 19- correct answer is- option "c".
Question no. 20- correct answer is- option "a".
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17. Which of the following is an osmoconformer? a) Freshwater fish b) Sea anemone c) Marine...
no explaination is needed 14. After copulation in earthworms, sperm which has been passed from one...
no explaination is needed
14. After copulation in earthworms, sperm which has been passed from one individual to another, is stored in special receptables called a) seminal vesicles. b) sperm ducts. c) cylinders (mucous structures secreted by the clitellum). d) spermathecae. 15. Internal and external fertilisation both a) occur only in aquatic invertebrates. b) occur only among invertebrates. c) require sex specific copulatory organs. d) produce single-celled zygotes. 16. In terms of food capture, which sponge cell is most similar...
no explaination is needed, i will hive a thumb, thanks 17. The logistic model of population...
no explaination is needed, i will hive a thumb, thanks
17. The logistic model of population growth a) describes growth in an idealized unlimited environment b) does not incorporates the concept of carrying capacity c) is sigmoidally shaped d) was exhibited by the elephant population in Kruger National Park after hunting stopped 20. Which of the following does NOT have a gastrovascular cavity? a) earthworm b) flatworm c) hydra d) jellyfish 24. A brachiopod can be distinguished from a bivalve...
no explaination is needed 8. The primary nitrogenous waste excreted by cnidarians is a) ammonia b)...
no explaination is needed
8. The primary nitrogenous waste excreted by cnidarians is a) ammonia b) nitrate. c) urea d) uric acid. 9. Birds secrete uric acid as their nitrogenous waste because uric acid a) is readily soluble in water. b) is metabolically less expensive to synthesize than other excretory products. c) requires little water for nitrogenous waste disposal, thus reducing body mass d) excretion allows birds to live in desert environments. 10. The osmoregulatory excretory system of an insect...
Which of the following is NOT a characteristic of ll Fish? A) two-chambered heart B) aquatic...
Which of the following is NOT a characteristic of ll Fish? A) two-chambered heart B) aquatic life C) presence of jaws. D) skin with scales E) gills as respiratory organ. Which organ system(s) is /are present in flatworms? A) muscular B) digestive C) reproductive 95. D) excretory E) all of the above. What is characteristic of all ecdysozoans? A) the deuterostome condition. B) a pseudocoelom. C) some kind of exoskeleton, or hard outer covering. D) aglle, speedy, and powerful locomotion....
no explaination is needed
14. After copulation in earthworms, sperm which has been passed from one individual to another, is stored in special receptables called a) seminal vesicles. b) sperm ducts. c) cylinders (mucous structures secreted by the clitellum). d) spermathecae. 15. Internal and external fertilisation both a) occur only in aquatic invertebrates. b) occur only among invertebrates. c) require sex specific copulatory organs. d) produce single-celled zygotes. 16. In terms of food capture, which sponge cell is most similar...
no explaination is needed, i will hive a thumb, thanks
17. The logistic model of population growth a) describes growth in an idealized unlimited environment b) does not incorporates the concept of carrying capacity c) is sigmoidally shaped d) was exhibited by the elephant population in Kruger National Park after hunting stopped 20. Which of the following does NOT have a gastrovascular cavity? a) earthworm b) flatworm c) hydra d) jellyfish 24. A brachiopod can be distinguished from a bivalve...
no explaination is needed
8. The primary nitrogenous waste excreted by cnidarians is a) ammonia b) nitrate. c) urea d) uric acid. 9. Birds secrete uric acid as their nitrogenous waste because uric acid a) is readily soluble in water. b) is metabolically less expensive to synthesize than other excretory products. c) requires little water for nitrogenous waste disposal, thus reducing body mass d) excretion allows birds to live in desert environments. 10. The osmoregulatory excretory system of an insect...
Which of the following is NOT a characteristic of ll Fish? A) two-chambered heart B) aquatic life C) presence of jaws. D) skin with scales E) gills as respiratory organ. Which organ system(s) is /are present in flatworms? A) muscular B) digestive C) reproductive 95. D) excretory E) all of the above. What is characteristic of all ecdysozoans? A) the deuterostome condition. B) a pseudocoelom. C) some kind of exoskeleton, or hard outer covering. D) aglle, speedy, and powerful locomotion....
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