Recall the steps involved in phagocytosis. Now, speculate on the consequenses if an organism had the ability to evade phagocytosis.

Please answer thoroughly

Step 1 – Define and compare the terms species, population and ecosystem.

Step 2– Give typical examples (cases) of the terms you have defined above.

Step 3-Show the relationship between the above terms.

Nematoda: Unsegmented round worms, longitudinal muscle and distinctive form of locomotion, alimentary canal. How can these survive without circulatory or gas exchange systems? How does this concept relate to their size, shape, and habitat?

Define how the terms are related to Nemotoda, and answer the question succinctly, but fully.

a) You have an exponentially-growing population of rodents, with an annual λ of 1.35.

Calculate the number of individuals added to the population in a given month when there are 250, 500, 1000, 5000, or 10,000 individuals to start with. (2pts)

b) Now impose density dependence on the population with a logistic model in which K = 6500 individuals. Again, calculate the number of individuals added to the population in a given month when there are 250, 500, 1000, 5000, and 10,000 individuals to start with. (2pts)

c) How does population growth compare between the two models (exponential vs. logistic) at the low and at the high starting population numbers? (2pts)

Present the numbers (rounded to two decimal places) for a), and b) in a table in the space below, along with the answer for c).

Compare the structures of myoglobin and haemoglobin, and explain how each structure relates to the function of the protein. (NO DIAGRAMS or pictures in writing )

What are some ways that active site residues can be identified?

Describe how different enzymes are classified and named.

Species-area relationships were assessed for reptile species on two sets of islands in different regions of the Indian Ocean. The estimated parameters were as follows: Region 1: c=1.6, z=0.25; Region 2: c=1.8, z=0.35. It is expected that 40% of the reptile habitat will be lost to development pressure over the next decade.

In which region do you expect the loss of reptile species to be greatest, and by how much? Show your work and explain your answer. (3 pts)

b) A different group of species is then assessed on islands in the first region, and the estimated parameters for this species group are c=2.5, z=0.29. What can you conclude about:

i) species richness of this group relative to the reptiles in this region? Why? (1 pts)

ii) the range size of this group relative to the reptiles in this region? Why? (1 pts)

As the conservation officer for Region 2, you were the person tasked with determining the species-area relationship of reptiles in the region. Explain how you came up with the estimates of c=1.8 and z=0.35 (3 pts)

Compare and contrast intensive agriculture and prairie agriculture in terms of their effects on the environment.

A paragraph or two would do for answering this question.

1.Which of the following is TRUE?

Select one:

a. Hemoglobin binds oxygen.

b. Red blood cells have a nucleus.

c. The plasma in blood is bright red.

d. Red blood cells are derived from leukocytes.

e. Red blood cells and white blood cells arise from different stem cells found in bone marrow.

2. The inflammatory response is an example of a type of physical barrier that provides immune defense.

Select one:

True

False

Parenchyma is one of the most common tissue types. Describe common human use(s) for parenchyma. Which properties of parenchyma make it suitable for human use?

What is meant by the term cluster of differentiation and give its importance in immune response?

Discuss how natural selection has likely influenced the evolution of skin color in humans