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Mila [183]
3 years ago
15

Describe the potential effects when a keystone species is removed from a community.

Biology
1 answer:
Vlad [161]3 years ago
5 0

Answer:

Explanation:

A keystone species is the one which plays an important role in maintaining the structure of the ecosystem. On the keystone species many other species of the ecosystem are dependent upon.  

The potential effects associated with the keystone species includes the following:

1. No other species will be capable of filling the same ecological niche. Hence, the dependent organisms will suffer and the ecosystem will change drastically.

2. The ecosystem will be populated by the invasive species which will affects the population of native species.

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What does a number in front of a molecular formula stand for?
My name is Ann [436]

Answer:

The small number behind each element symbol designates the number of atoms of each element in a chemical formula. If there is no number, it is assumed there is only one of those elements. A large number in front of a compound designates how many units there are of that compound.

8 0
2 years ago
Populations of coastal lodgepole pine are separated along an environmental gradient of soil pH that changes from neutral pH near
77julia77 [94]

Answer:

Parapatric speciation  

Explanation:

There are different types of speciation. Parapatric speciation consists of new species evolving from a continuous distribution. That is, there is no physical barrier that might impede the gene flow,  in fact, it might continue during the speciation process.  

There is an environmental gradient that determines different phenotypes for different environmental conditions. One phenotype is more adapted to one of the distribution extremes than the other phenotype. In the exposed case, the environmental gradient is given by the differences in pH.

In the border between the environmental extremes, there is the primary hybrid zone, where both phenotypic forms might meet and hybridize.

   

7 0
3 years ago
What characteristics do monocots have? What characteristics do dicots have?
LuckyWell [14K]

Answer: MONOCOT

1) seeds with one cotyledon.

2) the plants have fibrous root system

3) leaves have parallel venation

4) the petals of flowers are trimerous(3 petals)

   DICOT

1) seeds with two cotyledon.

2) the plants have taproot system.

3) leaves have reticulate venation

4) the petals of flowers are pentamerous (5 petals)

Explanation:

5 0
3 years ago
Ice wedging is a form of chemical weathering. <br> true or false
larisa [96]
False 

Hoped it helped have a wonderful day. 
5 0
2 years ago
Read 2 more answers
Which of the following samples has the greatest population density?
Andrews [41]

The right answer is D.

The density of a given population is calculated by dividing the number of inhabitants by the area expressed in km² (or in hectares).


Number of inhabitants ÷ area (in km²) = number of inhabitants / km²



A = 125000 organism/ 2.5 m2 = 50,000 organisms / m2


B = 13000 organisms / m2


C = 37500 organisms / m2


D = 200000 organisms / m2

8 0
3 years ago
Read 2 more answers
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