Homework Answers
62. A sedimentation tank.
68. A flavour produced by glutamate.
77. Travellers diarrhoea.
80. Removal of C02 from the ocean surface to depth.
14. Estimating population density.
15. Competition and predation.
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62. Which of the following is...
no explaination is needed 7. Which of the following is not a term used to describe...
no explaination is needed
7. Which of the following is not a term used to describe animal dispersion? a) Long distance b) Uniform c) Random d) Clumped 8. Population growth may be affected by a) predation but not competition. b) competition but not predation. c) competition and predation. d) neither competition nor predation 9. Batesian mimicry is when a) a harmless species imitates a harmful species b) two or more unpalatable species mimic cach other. c) a harmful species imitates...
no explaination is needed, I will give a thumb, thanks! 5. Which of the following is...
no explaination is needed, I will give a thumb, thanks!
5. Which of the following is descriptive of protostomes? a) spiral and indeterminate cleavage, blastopore becomes mouth b) spiral and determinate cleavage, blastopore becomes mouth c) spiral and determinate cleavage, blastopore becomes anus d) radial and determinate cleavage, blastopore becomes anus Which of the following is a diploblastic phylum of aquatic predators? a) Cnidaria b) Annelida c) Mollusca d) Arthropoda 7. Chordate pharyngeal slits appear to have functioned first as...
no explaination is needed, I will give a thumb, thanks' with its 25. The body fluids...
no explaination is needed, I will give a thumb, thanks'
with its 25. The body fluids of an osmoconformer would be environment. a) hyperosmotic; freshwater b) isotonic, freshwater c) hyperosmotic; saltwater d) isoosmotic; saltwater 50. Coccolithophores are a. bacteria that fix Carbon dioxide. b. bacteria that fix Nitrogen. c. phytoplankton. d. types of bacteria only found in sediments. The Puerto Rico trench is the deepest point in the a. Atlantic Ocean. b. Southern Ocean. c. Pacific Ocean. d. Arctic Ocean....
no explaination is needed, I will give a thumb, thanks' 16. In close comparisons, external fertilization...
no explaination is needed, I will give a thumb, thanks'
16. In close comparisons, external fertilization often yields more offspring than does Internal fertilization, but Internal fertilization offers the advantage that a) It is the only way to ensure the survival of the species b) It requires less time and energy to be devoted to reproduction. d the smaller number of offspring produced often receive a greater amount of parental investment. d) It permits the most rapid population increase 17....
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 need explaination, I will give a thumb thanks. 16. Which of the following does NOT...
no need explaination, I will give a thumb thanks.
16. Which of the following does NOT have a gastrovascular cavity? a) earthworm b) flatworm c) hydra d) jellyfish 26. Sexual reproduction is the creation of a zygote by a) development of an unfertilised egg. b) fusion of male gamete (sperm) and female gamete (egg). c) fusion of a sperm from one species and an egg from another species. d) fusion of female gamete (sperm) and male gamete (egg). 22. The...
no explaination is needed, I will give a thump for sure 31. Which of the following...
no explaination is needed, I will give a thump for sure
31. Which of the following are obligate intracellular pathogens a) Antibiotics b) Viruses c) Probiotics d) Thermophilic bacteria 29. When an electrical impulse arrives at a chemical synapse, neurotransmitters are released. These act by a) opening ion channels in the postsynaptic membrane. b) opening ion channels in the presynaptic membrane. c) increasing the ion concentration in the synaptic cleft. d) physically connecting pre- and postsynaptic membranes. 2. Which of...
no explaination is needed
7. Which of the following is not a term used to describe animal dispersion? a) Long distance b) Uniform c) Random d) Clumped 8. Population growth may be affected by a) predation but not competition. b) competition but not predation. c) competition and predation. d) neither competition nor predation 9. Batesian mimicry is when a) a harmless species imitates a harmful species b) two or more unpalatable species mimic cach other. c) a harmful species imitates...
no explaination is needed, I will give a thumb, thanks!
5. Which of the following is descriptive of protostomes? a) spiral and indeterminate cleavage, blastopore becomes mouth b) spiral and determinate cleavage, blastopore becomes mouth c) spiral and determinate cleavage, blastopore becomes anus d) radial and determinate cleavage, blastopore becomes anus Which of the following is a diploblastic phylum of aquatic predators? a) Cnidaria b) Annelida c) Mollusca d) Arthropoda 7. Chordate pharyngeal slits appear to have functioned first as...
no explaination is needed, I will give a thumb, thanks'
with its 25. The body fluids of an osmoconformer would be environment. a) hyperosmotic; freshwater b) isotonic, freshwater c) hyperosmotic; saltwater d) isoosmotic; saltwater 50. Coccolithophores are a. bacteria that fix Carbon dioxide. b. bacteria that fix Nitrogen. c. phytoplankton. d. types of bacteria only found in sediments. The Puerto Rico trench is the deepest point in the a. Atlantic Ocean. b. Southern Ocean. c. Pacific Ocean. d. Arctic Ocean....
no explaination is needed, I will give a thumb, thanks'
16. In close comparisons, external fertilization often yields more offspring than does Internal fertilization, but Internal fertilization offers the advantage that a) It is the only way to ensure the survival of the species b) It requires less time and energy to be devoted to reproduction. d the smaller number of offspring produced often receive a greater amount of parental investment. d) It permits the most rapid population increase 17....
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 need explaination, I will give a thumb thanks.
16. Which of the following does NOT have a gastrovascular cavity? a) earthworm b) flatworm c) hydra d) jellyfish 26. Sexual reproduction is the creation of a zygote by a) development of an unfertilised egg. b) fusion of male gamete (sperm) and female gamete (egg). c) fusion of a sperm from one species and an egg from another species. d) fusion of female gamete (sperm) and male gamete (egg). 22. The...
no explaination is needed, I will give a thump for sure
31. Which of the following are obligate intracellular pathogens a) Antibiotics b) Viruses c) Probiotics d) Thermophilic bacteria 29. When an electrical impulse arrives at a chemical synapse, neurotransmitters are released. These act by a) opening ion channels in the postsynaptic membrane. b) opening ion channels in the presynaptic membrane. c) increasing the ion concentration in the synaptic cleft. d) physically connecting pre- and postsynaptic membranes. 2. Which of...
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