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Alenkasestr [34]
1 year ago
14

Many community ecologists are concerned about the effects of habitat fragmentation. In particular they worry that clear-cutting

of old growth forests will produce small, isolated forest patches and that species will be lost from these smaller patches because small patches cannot support as long a food chain as bigger patches. This concern is based on which of the following hypotheses discussed in this chapter?
a. The productivity hypothesis
b. The ecosystem-size hypothesis
c. The exploitation ecosystem hypothesis
d. HSS's the 'world is green' hypothesis
Biology
1 answer:
Aloiza [94]1 year ago
8 0

Answer:

b. The ecosystem-size hypothesis

Explanation:

In this chapter, the ecosystem-size hypothesis is discussed. The ecosystem-size hypothesis is based on the relationship between ecosystem size and diversity of species, habitat availability and habitat heterogeneity. There will be increase occur in the food-chain length if the size of the ecosystem increases. The big size of ecosystem provides more space for living, more food to animals and other basic needs which the organisms needed for survival and growth.

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The processes of encoding, storage, and retrieval are seen as part of the ____________ model of memory
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2 years ago
In eukaryotic cells, genes each have a specific combination of regulatory DNA sequences. How do these combinations help cells ca
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Answer: This helps cells by the DNA telling what the cell to do based on the sequence.

Explanation:

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2 years ago
Which of the following represents the correct flow of air into the lung of a mammal?
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I believe the answer would be A.

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2 years ago
The process of respiration is essential in the oxygen/carbon dioxide cycle. Respiration removes ______ from the atmosphere and p
kotykmax [81]
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8 0
2 years ago
Read 2 more answers
Which situations would be most likely to engage the anterior cingulate cortex?
maria [59]

Answer:

Which of the following situations would be most likely to engage the anterior cingulate cortex?

A waiter walks over to your table at a restaurant and holds an open menu in front of you.

You walk into the elevator of your apartment building and press the button for your floor.

You enter your classroom and find someone sitting in your usual seat.

A good friend asks you to remind him of your telephone number.

Explanation:

In order to meet the demand of the surrounding environment   by adjusting  the  motor outputs from the brain to the environments ,a part of the emotion control part of the brain( limbic system) called the anterior cingulate cortex is responsible for this.

Anatomically, the limbic system is made up of the primarily the amygdala, hippocampus, thalamus, hypothalamus, basal ganglia and cingulate gyrus.

Based on the this its(anterior cingulate cortex) functions are formation of emotion in the limbic system, and  possessing  of memory and learning.

it is also a major  parts of  of pain networks for pain modulation and perception.

Therefore whenever there is  change in the environment  from the prestored condition in the brain,(e.g the usual seat  in the class room  occupied above) the anterior cingulate cortex adjust the motor input from the brain to adapt to the new environment to take an action,whih in this case  leads to the reclaiming of the seat or any other necessary proactive action.

4 0
2 years ago
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