Homework Answers
The number of individuals of a species per unit area or volume in the ecosystem is known as population density. (option C)
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Question 19 - The number of individuals of a species per unit area or volume is...
Just Answer please for final ! B) the same surface area relative to volume A) a...
Just Answer please for final !
B) the same surface area relative to volume A) a larger surface area relative to volume. a much smaller surface area relative to volume. C) a slightly smaller surface area relative to volumeD 56. Animals that feed on both plant and animal tissues are referred to as D) detritivores. C) omnivores B) camivores. A) herbivores. 57. Water flows over gills in the opposite direction of blood flow in a process known as D) countercurrent...
Second) wall per on the area a unit hitting 2. (a) Show that the rate of wall collisions (number ...
second) wall per on the area a unit hitting 2. (a) Show that the rate of wall collisions (number of molecules for a classical gas in thermal equilibrium can be expressed as follows. where n is the number density of the gas and o is the mean speed, (b) At time t 0, a thin wall vessel of volume V, kept at constant temperature, contains No ideal gas molecules which begin to leak out through a small hole of area...
How is pressure defined? a) Force per unit volume. b) Force per unit area. c) Weight...
How is pressure defined? a) Force per unit volume. b) Force per unit area. c) Weight of gas. d) Molar mass of gas. e) None of the above.
16. Calculate the number of atoms per unit cell, coordination number, and atomic packing factor for...
16. Calculate the number of atoms per unit cell, coordination number, and atomic packing factor for an HCP cell. 17. Assuming ideal spherical atoms calculate the c/a ratio of a HCP unit cell? 18. Magnesium is HCP crystal structure, what is the volume of the Mg unit cell? 19. What is the value of c, for magnesium? (Hint: Volume-basal area x height.) 20. What is the value of a, for magnesium? (Hint: Volume basal area x height)
= Endangered species sometimes breed in captivity. Why are such species endangered in the wild? A....
= Endangered species sometimes breed in captivity. Why are such species endangered in the wild? A. Their population density is too high B. Loss of habitat C. Their environment is polluted What is the difference between Density-Dependent and Density-Independent Factors on populations? A. density-dependent factors exert a greater influence when there are more individuals; density-Independent exerts the same influence on all individuals regardless of their number OB. density-dependent factors exert a greater influence on larger, more dense Individuals, density-Independent factors...
Find the retail coat of gasoline (per unit volume) in your area and find the cost...
Find the retail coat of gasoline (per unit volume) in your area and find the cost of electricity for residential users in your area. retail cost of gasoline: $2.496/gal cost of electricity: 20.01 cents/kWh a. compare the cost of energy (per MJ) from gasoline and from electricity from the public unity. b. the efficiency of a gasoline automobile is about 20% and the efficiency of a battery electric vehicle is about 85%. Discuss the relative transportation costs for gasoline and...
help please According to the logistic growth equation: the number of individuals added per unit time...
help please
According to the logistic growth equation: the number of individuals added per unit time is greatest when N is close to zero. the per capita growth rate (r) increases as N approaches K. population growth is zero when Nequals K. the population grows exponentially when Kis small. the birth rate (b) approaches zero as N approaches K.
1-There is a population of individuals which are geographically isolated from other populations of their species....
1-There is a population of individuals which are
geographically isolated from other populations of their species.
Their population mates randomly, has no net mutations in their
genome, and is not subjected to natural selection pressures.
However, their population is small, only 200 individuals. The gene
for fur color in this population has two alleles in a
dominant-recessive relationship, A and a. If allele A is currently
at a frequency of 0.8 and allele a is at 0.2:
i. What do...
At what pressure, in atmospheres, would the number of molecules per unit volume in an ideal...
At what pressure, in atmospheres, would the number of molecules per unit volume in an ideal gas be equal to the number density of the conduction electrons in copper, with both gas and copper at temperature T = 400 K?
1 B allele frequency = Question 7 1.5 pts The total number of individuals in the...
1 B allele frequency = Question 7 1.5 pts The total number of individuals in the population is 1000 shmoos. Using one of the equations below, fill in table below with the observed genotype frequencies and number of individuals with those genotypes. Allele b frequency = 0.3. Equations: p2 + 2pq+q2 = 1 200+ p +q = 1 bb 1 BB Observed Genotype Frequencies Observed Individuals / / N / / Question 8 2 pts
Just Answer please for final !
B) the same surface area relative to volume A) a larger surface area relative to volume. a much smaller surface area relative to volume. C) a slightly smaller surface area relative to volumeD 56. Animals that feed on both plant and animal tissues are referred to as D) detritivores. C) omnivores B) camivores. A) herbivores. 57. Water flows over gills in the opposite direction of blood flow in a process known as D) countercurrent...
second) wall per on the area a unit hitting 2. (a) Show that the rate of wall collisions (number of molecules for a classical gas in thermal equilibrium can be expressed as follows. where n is the number density of the gas and o is the mean speed, (b) At time t 0, a thin wall vessel of volume V, kept at constant temperature, contains No ideal gas molecules which begin to leak out through a small hole of area...
16. Calculate the number of atoms per unit cell, coordination number, and atomic packing factor for an HCP cell. 17. Assuming ideal spherical atoms calculate the c/a ratio of a HCP unit cell? 18. Magnesium is HCP crystal structure, what is the volume of the Mg unit cell? 19. What is the value of c, for magnesium? (Hint: Volume-basal area x height.) 20. What is the value of a, for magnesium? (Hint: Volume basal area x height)
= Endangered species sometimes breed in captivity. Why are such species endangered in the wild? A. Their population density is too high B. Loss of habitat C. Their environment is polluted What is the difference between Density-Dependent and Density-Independent Factors on populations? A. density-dependent factors exert a greater influence when there are more individuals; density-Independent exerts the same influence on all individuals regardless of their number OB. density-dependent factors exert a greater influence on larger, more dense Individuals, density-Independent factors...
help please
According to the logistic growth equation: the number of individuals added per unit time is greatest when N is close to zero. the per capita growth rate (r) increases as N approaches K. population growth is zero when Nequals K. the population grows exponentially when Kis small. the birth rate (b) approaches zero as N approaches K.
1-There is a population of individuals which are
geographically isolated from other populations of their species.
Their population mates randomly, has no net mutations in their
genome, and is not subjected to natural selection pressures.
However, their population is small, only 200 individuals. The gene
for fur color in this population has two alleles in a
dominant-recessive relationship, A and a. If allele A is currently
at a frequency of 0.8 and allele a is at 0.2:
i. What do...
1 B allele frequency = Question 7 1.5 pts The total number of individuals in the population is 1000 shmoos. Using one of the equations below, fill in table below with the observed genotype frequencies and number of individuals with those genotypes. Allele b frequency = 0.3. Equations: p2 + 2pq+q2 = 1 200+ p +q = 1 bb 1 BB Observed Genotype Frequencies Observed Individuals / / N / / Question 8 2 pts
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