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vlada-n [284]
3 years ago
12

You are an ecologist collecting data about the declining growth rate of the critically endangered Philippine eagle. The eagles’

only known population is estimated to have about 350–650 individuals. Which of the following can you assume is zero?
Question 2 options:

natality

mortality

emigration

immigration
Biology
1 answer:
Andrei [34K]3 years ago
5 0

Answer:

<em>The correct option is D) immigration</em>

Explanation:

Immigration can be described as the movement of an organism to another place for living. As the scenario in the question tells, the population of the endangered Philippine eagle could be seen only in one place hence we can say that the immigration rate of these organisms was zero because they could not be seen in any other place.

Other option, like option B, cannot be correct because mortality refers to the death rate and obviously many organisms of the species died due to which it became endangered.

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Antibody ( fights bacteria etc )
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For each of the following 6 scenarios, identify each of the following: unconditioned stimulus, conditioned stimulus, uncondition
KIM [24]

Explanation:

The unconditioned stimulus is a stimulus that naturally, and automatically triggers a response. For example, the smell of your favorite food may make you hungry. The smell is the unconditioned stimulus.

The unconditioned response is the unlearned response that occurs naturally in response to the unconditioned stimulus.

In the example above, the unconditioned response is the hunger felt.

The conditioned stimulus is a previously neutral stimulus that, after becoming associated with the unconditioned stimulus, eventually comes to trigger a conditioned response.

1. An individual receives frequent injections of drugs, which are administered in a small examination room at a clinic. The drug itself causes increased heart rate but after several trips to the clinic, simply being in a small room causes an increased heart rate.

UCS = Injections; UCR = increased Heart Rate caused by drug CS = Small Room similar to the room at the clinic; CR = Increased heart rate.

2. For 3 years Mariah has played her trombone at the school's sports stadium most Friday nights for various sporting events as part of the school's pep band. One Friday night Mariah begins to walk down the school's tall stadium bleachers with her trombone and she trips and falls down several stairs bruising her leg and feelings humiliated as the people around her look at her and some students even laugh. Ever since that incident, each time Mariah walks down the bleacher stairs she looks to see who is around her and her heart rate increases as she nervously walks down the bleacher stairs.

UCS = Being laughed at; UCR = Feeling humiliated; CS = Walking down the bleacher; CR = Heart rate increase and nervousness

3. Before she got her driver’s license, seeing police cars and their flashing red lights did not bother Jaci. But then she started driving and has been pulled over several times for speeding. Each time she was pulled over, first she saw the flashing red lights of the police car. Then she would be questioned by the police and given a ticket, which made her feel very tense and upset. Now whenever she sees a police car with its flashing lights on she feels a little bit nervous, even if it is pulling over someone else.

UCS = Given a Ticket; UCR = Tense and Upset; CS = Seeing any Police Car; CR = Nervousness

4. Frankie eats fried chicken that has e coli in it from her elementary school’s cafeteria and ends up vomiting for hours that night. Luckily, she recovers within a day, but now just the thought of eating food from the school’s cafeteria makes her nauseous.

UCS = Eating chicken with E-Coli; UCR = Vomiting; CS = Thought of eating food; CR = Nausea.

5. At a soccer game, every time the home team scores a goal, the fan behind you screams "GOAL" near your ears causing you to wince. Unfortunately for you, the home team scores frequently. As the end of the game nears, the home team scores a goal, and even though the inconsiderate fan behind you has left, you still wince.

UCS = Scream near ears; UCR = Wince; CS = Fan Shouting every time a goal is scored; CR = Wincing whenever a goal is scored

6. Casey goes outside to play in her tree house. A swarm of bees has nested near her tree house, and she gets stung when she climbs up to the tree house. This happens 3 times in a week. Casey becomes afraid to go near the tree and cries violently when her dad tried to get her to climb up to the tree house.

UCS = Getting stung; UCR = Pain (fear of getting stung); CS = Tree house; CR = Fear of Tree House.

7 0
3 years ago
"A grasshopper population in a prairie is limited in large part by the number of birds in the region. Following a hurricane that
Ivenika [448]

A grasshopper population in a prairie is limited in large part by the number of birds in the region. Following a terrible storm that killed many of the birds, the grasshopper population exhibits exponential growth. This happens because the grasshoppers experienced a steady __________ but decreased ______________

Answer:

Biotic potential; environmental resistance

Explanation:

Biotic potential is the ability of a species to be able to reproduce, grow and thrive well in a particular environment, especially under favorable environmental conditions such as, absence of predators, availability of food, no competition etc.  

Environmental resistance can be referred to as the sum total of all biotic and abiotic factors that act against the biotic potential of a species and limits the multiplication and growth of that species in an environment.

The death of the birds that prey on the grasshopper population in prairie created an ideal environmental condition for the grasshopper to multiply, which is one of the primary factors that increases the biotic potential of the grasshopper as environmental resistance decreases.

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Biodiversity loss may be the correct answer

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