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1. (2 pts) Consider sequential hermaphrodites. Consider both protogynous species and protandrous species. For each, which...
4. Consider these data obtained from a freshwater fish species. a) According to these data, which...
4. Consider these data obtained from a
freshwater fish species.
a) According to these data, which sex experiences more
limitation to their reproductive success due to availability of
mates? Explain how you are interpreting the graph.
b) Which sex would you expect to be more discriminating
regarding mates (who does the choosing)? Explain.
Females Males 40 # of females # of males 0 1 2 5 0 1 2 5 3 4 # of mates 3 4 # of mates
Answer both required questions: During this class, we discussed threats different marine mammal species face in...
Answer both required questions: During this class, we discussed threats different marine mammal species face in the world today, as well as how their life histories may make it easier or harder for them to survive these threats. Rank the order in which each of the following four marine mammal species or populations is at risk of extinction (starting with 1 – highest risk and ending with 4 – lowest risk) and provide justification for what makes each group more...
D Question 45 2 pts Sardines display life history traits of an r-selected species. Therefore, compared...
D Question 45 2 pts Sardines display life history traits of an r-selected species. Therefore, compared to other fish species you'd expect sardines to have a long life expectancy produce few eggs reach sexual maturity early have long generation times Question 46 Histones are found in the following two domains which form a monophyletic group: Prokarya and Eukarya Archaea and Eukarya Bacteria and Eukarya Bacteria and Arches
1. In rock-salt phases, cations are more mobile than the anions. (19/22 pts) a) For the 2D slices...
1. In rock-salt phases, cations are more mobile than the anions. (19/22 pts) a) For the 2D slices of the rock salt structure shown below, sketch and identify the 2 types of intrinsic point defects possible for pure rock salt phases. (5 pts) b) What effect, if any, do you expect an increase in temperature to have on the conductivity and c) Consider rock salt phases with composition MgO, NaF and NaCl. Which of these do you expect d) Small...
Reduction of Camphor Lab 1) Provide a mechanism that accounts for the formation of both Borneol...
Reduction of Camphor Lab 1) Provide a mechanism that accounts for the formation of both Borneol and Isoborneol. 2) In lecture we have consistently discussed the fact when we add to a sp^2 hybridized carbon we normally see no facial preference. Use your mechanism to explain why more isoborneol is formed from the reduction reaction. How would you expect the product distribution to change if methyl groups are missing from the camphor structure.
4. (2 pts) Consider the enolate forming reaction below. Provide the structure of the enolate anion...
4. (2 pts) Consider the enolate forming reaction below. Provide the structure of the enolate anion formed in this reaction (only need to provide one resonance contributor). HiC o: H2C Нас pKa -20 pKa -33 Enolate oti (2 pts) Based on the information provided, do you expect the favored enolate to be the kinetic or thermodynamic enolate? Briefly explain.
Question 13 2 pts Consider two hyphae having equal dimensions: one from a septate species and...
Question 13 2 pts Consider two hyphae having equal dimensions: one from a septate species and the other from a coenocytic species. Compared with the septate species, the coenocytic species should have more pores. O fewer nuclei. O less cytoplasm. O reduced cytoplasmic streaming. less chitin Which of the following statements is true of deuteromycetes? They are the group that includes molds, yeasts, and lichens. They include the imperfect fungi that lack hyphae. They are the group of fungi that...
Question 1 2 pts Which statement represents a result of natural selection! o the best adapted...
Question 1 2 pts Which statement represents a result of natural selection! o the best adapted individuals have lower ness ele frequency in a population does not change Onewalls are added to the population seeded O different phenotypes with a species we favored in different habitats Question 2 2 pts When we say that one individual is more fit has higher fitness than other individuals, we mean that it produces more later than others in the population compete for food...
Problem 1 (30 pts): Assuming we have an array [2, 9,6,3, 11,1] which need to be...
Problem 1 (30 pts): Assuming we have an array [2, 9,6,3, 11,1] which need to be sorted as [1, 2, 3, 6, 9,11] Explain how we do sorting by using the "Insertion sort" step by step (15 pts) Explain how we do sorting by using the "Heap sort" step by step (15 pts)
Consider the following two molecules: O Nat 2 a. Name each species (i) and (ii). b....
Consider the following two molecules: O Nat 2 a. Name each species (i) and (ii). b. Which of the two species, (i) or (ii), will be more soluble in water? c. Explain your reasoning for (b). (Use clear logic and sentences to explain why one of the compounds (i) or (ii) is more soluble than the other.) HTML Editora BIVA - A - IX EE 3 1. x'x, IEE - Do @ VO T : 12pt - Paragraph - O...
4. Consider these data obtained from a
freshwater fish species.
a) According to these data, which sex experiences more
limitation to their reproductive success due to availability of
mates? Explain how you are interpreting the graph.
b) Which sex would you expect to be more discriminating
regarding mates (who does the choosing)? Explain.
Females Males 40 # of females # of males 0 1 2 5 0 1 2 5 3 4 # of mates 3 4 # of mates
D Question 45 2 pts Sardines display life history traits of an r-selected species. Therefore, compared to other fish species you'd expect sardines to have a long life expectancy produce few eggs reach sexual maturity early have long generation times Question 46 Histones are found in the following two domains which form a monophyletic group: Prokarya and Eukarya Archaea and Eukarya Bacteria and Eukarya Bacteria and Arches
1. In rock-salt phases, cations are more mobile than the anions. (19/22 pts) a) For the 2D slices of the rock salt structure shown below, sketch and identify the 2 types of intrinsic point defects possible for pure rock salt phases. (5 pts) b) What effect, if any, do you expect an increase in temperature to have on the conductivity and c) Consider rock salt phases with composition MgO, NaF and NaCl. Which of these do you expect d) Small...
4. (2 pts) Consider the enolate forming reaction below. Provide the structure of the enolate anion formed in this reaction (only need to provide one resonance contributor). HiC o: H2C Нас pKa -20 pKa -33 Enolate oti (2 pts) Based on the information provided, do you expect the favored enolate to be the kinetic or thermodynamic enolate? Briefly explain.
Question 13 2 pts Consider two hyphae having equal dimensions: one from a septate species and the other from a coenocytic species. Compared with the septate species, the coenocytic species should have more pores. O fewer nuclei. O less cytoplasm. O reduced cytoplasmic streaming. less chitin Which of the following statements is true of deuteromycetes? They are the group that includes molds, yeasts, and lichens. They include the imperfect fungi that lack hyphae. They are the group of fungi that...
Question 1 2 pts Which statement represents a result of natural selection! o the best adapted individuals have lower ness ele frequency in a population does not change Onewalls are added to the population seeded O different phenotypes with a species we favored in different habitats Question 2 2 pts When we say that one individual is more fit has higher fitness than other individuals, we mean that it produces more later than others in the population compete for food...
Problem 1 (30 pts): Assuming we have an array [2, 9,6,3, 11,1] which need to be sorted as [1, 2, 3, 6, 9,11] Explain how we do sorting by using the "Insertion sort" step by step (15 pts) Explain how we do sorting by using the "Heap sort" step by step (15 pts)
Consider the following two molecules: O Nat 2 a. Name each species (i) and (ii). b. Which of the two species, (i) or (ii), will be more soluble in water? c. Explain your reasoning for (b). (Use clear logic and sentences to explain why one of the compounds (i) or (ii) is more soluble than the other.) HTML Editora BIVA - A - IX EE 3 1. x'x, IEE - Do @ VO T : 12pt - Paragraph - O...
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