Question

Can anyone help meeeeeeee

Answer 1

with what?

Answer 2

Maybe it depends on what

Answer 3

ecosystems

Answer 4

I have an assignment and i can't figure it out, teacher is out and can't help me

Answer 5

Do you go to connections

Answer 6

flvs

Answer 7

Oh I'm not sure if I can help you. What's the question look like

Answer 8

is it a lap report thing, on killer whales and seals. I got most of it done but i can't figure out part of it,

Answer 9

this is the link you
http://www.ucopenaccess.org/courses/APEnvSciv2/course%20files/assignments/applet/esol_popdyn.htm

Answer 10

the instructions,
Part One: Predation and Carrying Capacity

Go to the population dynamics lab
Before you begin conducting your population dynamics lab, review the following descriptions for each lab variable.

Prey Initial Size: The total number of prey at the beginning of the simulation run. (Assume that the seals have an unlimited amount of food.)

Prey Growth Rate: The inherent capacity of the prey population size to increase (related to birthrate). The larger the growth rate, the faster the prey population will increase.

Predator Initial Size: The total number of predators at the beginning of the simulation runs.

Predator Death Rate: Instantaneous death rate of the predators when no prey are present. A larger death rate means predators will die out quicker in absence of prey.

Capture Efficiency: This number represents the ability of the predator to capture the prey over some time interval. A larger value for this parameter means the predators have a better chance of capturing prey. In contrast, a smaller value means the prey is better at eluding the predator.
For this first trial, your birth and death rates should be the same. You will test the effects of birth and death rates in Part 2 of this lab. For now, set both growth and death rate boxes to 0.5.
Set the population size of prey (the seals) to 100 and the predator population (the whales) size to 50. Set the capture efficiency at 0.006. Record your population size for each population in the data chart labeled Table 1: Predation and Carrying Capacity.
Press the start button and observe the graph for the next 60 seconds. Pay careful attention to the time that passes between rise and fall of the curves. Press the stop button when you reach the 60-second mark on the graph. The plotted pink line represents the seals’ population, and the plotted black line represents the whales’ population. The carrying capacity of each population occurs at the peaks of each line. Record the carrying capacity of each population in the data chart labeled Table 1: Predation and Carrying Capacity.
For Trial 2, press the reset button. Change the seal population to 50 and the whale population to 100. Record this for Trial 2 on the Table 1: Predation and Carrying Capacity.Before starting Trial 2, predict the results of the new simulation. Place your prediction in the hypothesis section of the lab report.

Your hypothesis should be written as follows:
If the population of whales increases and the population of seals decrease, the carrying capacity for whales will ______________ and the carrying capacity for seals will _________________.
Press the start button and let the simulation run to 60 seconds. Record the carrying capacities for both populations on the Table 1: Predation and Carrying Capacity.
For Trial 3, press the reset button. Change the population of seals to 100 and the population of whales to 100. Record this for Trial 3 on the Table 1: Predation and Carrying Capacity.Before starting the third trial, predict the results of the new simulation. Place your prediction in the hypothesis section of the lab report. Your hypothesis should be written as follows:
If the population of whales and seals are equal, the carrying capacity for whales will ______________ and the carrying capacity for seals will _________________.
Press the start button and let the simulation run to 60 seconds. Record the carrying capacities for both populations on the Table 1: Predation and Carrying Capacity.
Part 2: Birth and Death Rates
Press the reset button. Leave the populations at 100 seals and 100 whales but change the growth rate (birthrate) to 0.8 for the seals. The death rate should stay at 0.5, and the capture efficiency should stay at 0.006. Record the growth and death rate for Trial 1 on the Table 2: Birth and Death Rate. Before starting the first trial, predict the results of the new simulation. Place your prediction in the hypothesis section of the lab report.

Your hypothesis should be written as follows:
If the growth rate of seals increases, the carrying capacity for whales will ______________ and the carrying capacity for seals will _________________.
Press the start button and observe the graph for the next 60 seconds. Press the stop button when you reach the 60-second mark on the graph. Record the carrying capacity of each population in the data chart labeled Table 2: Birth and Death Rate.
For Trial 2, press the reset button. Change the growth rate of prey to 0.5 and the death rate of predators to 0.8. Record this for Trial 2 on the Table 2: Birth and Death Rate.Before starting the second trial, predict the results of the new trial.
Place your prediction in the hypothesis section of the lab report.

Your hypothesis should be written as follows:
If the death rate of whales increases, the carrying capacity for whales will ______________ and the carrying capacity for seals will _________________.
Press the start button and let the simulation run to 60 seconds. Record the carrying capacities for both populations on the Table 2: Birth and Death Rate.
Part 3: Capture Efficiency
In our first scenario, overfishing of nearby oceans has depleted the fish population in the Arctic. Because fish are the main food source for seals, they venture farther away from their protected habitats in search of food. This makes them easier prey for the whales, increasing their capture efficiency to 0.008.

Press the reset button. Leave the populations at 100 seals and 100 whales and change the growth rate and death rate back to 0.5. Change the capture efficiency of 0.008 for Trial 1 and record it on the Table 3: Capture Efficiency.

Press the start button and observe the graph for the next 60 seconds. Press the stop button when you reach the 60-second mark on the graph. Record the carrying capacity of each population in the data chart labeled Table 3: Capture Efficiency.
In our second scenario, the Arctic whale population has contracted a viral pox infection during their migration to the warmer waters of the Pacific Northwest. In their weakened condition, the whales normal hunting cuts in half, reducing their capture efficiency to 0.004.

Press the reset button. Leave the populations at 100 seals and 100 whales and change the growth rate and death rate back to 0.5. Change the capture efficiency of 0.004 for Trial 2 and record it on the Table 3: Capture Efficiency. Before starting the second trial, predict the results of the new trial. Place your prediction in the hypothesis section of the lab report.

Your hypothesis should be written as follows:
If the capture efficiency of whales increases, the carrying capacity for whales will ______________ and the carrying capacity for seals will _________________.

Press the start button and observe the graph for the next 60 seconds. Press the stop button when you reach the 60-second mark on the graph. Record the carrying capacity of each population in the data chart labeled Table 3: Capture Efficiency for Trial 2.

Answer 11

i'm on number 4

Answer 12

i need help with carrying capacity..

Answer 13

Hey i am on this assignment and I am stuck on it can u help me !!!!!

Answer 14

im on this

Answer 15

I'm doing this assignment could you please help me. I just need help with the last 5 questions.