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ira [324]
3 years ago
12

Compare AND contrast primary and secondary succession.

Biology
2 answers:
Margaret [11]3 years ago
8 0

Answer:

Primary succession occurs following an opening of a pristine habitat, for example, a lava flow, an area left from retreated glacier, or abandoned strip mine. In contrast, secondary succession is a response to a disturbance, for example, forest fire, tsunami, flood, or an abandoned field.In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.

Explanation:

Ira Lisetskai [31]3 years ago
6 0

Answer:

The basic difference between primary and secondary succession is the presence of soil. When primary succession begins, soil is not present; in the case of secondary succession, soil is already in place.

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Which of the following is a divergent boundary?
Verizon [17]

Answer;

D. Rift valley

Explanation;

-A divergent boundary also called the divergent plate boundary is a linear feature that exists between two tectonic plates that are moving away from each other. Most divergent plate boundaries are underwater (Iceland is an exception) and form submarine mountain ranges called oceanic spreading ridges.

-Divergent boundaries are areas where plates move away from each other, forming either mid-oceanic ridges or rift valleys.They are constructive boundaries. Convergent boundaries on the other hand are areas where plates move toward each other and collide.

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3 years ago
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using the food web, describe two complete food chains that include a ptoducer, consumer, and descomposer.​
Damm [24]

Answer:

A food chain is a representation of what eats what in an ecosystem.

A combination of food chains is termed as a food web.

Example of two food chains in a food web are :

Example No 1:

Plant----- Grasshopper------ Frog---snake--- bacteria

Example No 2:

Plant---- rabbits---- fox---- bacteria

In a food chain, producers are usually plants and algae which are able to make their own food. Consumers feed on the plants. In example no 1, grasshoppers are primary consumers, frogs are secondary consumers, snakes are tertiary consumers.

In example no 2,plants are producers, rabbits are primary consumers and foxed are secondary consumers.

Decomposers are organisms that feed on the dead organisms in a food chain. In both the examples of food chain, bacteria are the decomposers.

7 0
2 years ago
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When you swallow, which structures rise to close off the nasopharynx?
puteri [66]

Answer:

The soft palet and uvula

Explanation:

4 0
3 years ago
Global climate can be greatly affected by volcanic eruptions as a result of the release of sulfur dioxides and ____.
gizmo_the_mogwai [7]
D,   Carbon Monoxide.  
5 0
2 years ago
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Vagal stimulation during suctioning can contribute to which conditions? select all that apply.
Fynjy0 [20]

Answer;

-Bradycardia

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Explanation;

-Tracheal suctioning can cause a vagal response. This stimulus influences the electrical system of the heart, potentially leading to decreased heart rate (bradycardia), heart block, asystole, or other dysrhythmias.

-Bronchospasm would not be induced by this type of stimulus. Vagal stimulation can result in hypotension, not hypertension.

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