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Leya [2.2K]
3 years ago
13

Describe how competition and limited resources aided speciation in the Galapagos Island finches.

Biology
2 answers:
makvit [3.9K]3 years ago
6 0
Competition killed off all the organisms without traits that were benefitial to them. The organisms in the Galapogos Islands, such as the finches, made adaptions to settle in their new environment.
Lerok [7]3 years ago
5 0

Answer:

It can be best explained with the help of Gause's law of competitive exclusion.

It states that no two species can coexist stably which compete for exact same resources.  

In such conditions, the species which is inferior to other in terms of adaptations either extinct or evolve towards a different ecological niche.

For example, Galapagos island finches evolved with different shapes and sizes of beaks as an adaptation towards limited resources available such as different types of seeds or food.

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A student has twenty identical young plants how does the amount of water given to these plants each day effect how tall the plan
mel-nik [20]

Answer:

The amount of water given to the plants depends on the effect of how tall the plant can overall grow. For instance, if all twenty identical plants are being given the same amount of water, then they will grow all at equal rates. However, if there is not equal amount/consistency with the amount of water the plants receive, then this factor may contribute to an uneven growth pattern between all twenty plants. However, other factors (such as location, sunlight, etc.) may also contribute to a plant's growth.

6 0
2 years ago
N pea plants there is complete dominance for the trait of flower color. the p allele produces purple flowers and p produces whit
Reptile [31]
PP-  purple homozygote
pp- white homozygote
Pp- purple hetrozygote

If these flowers cross, we obtain heterozygote offsprings with a genotype: Pp (100% of them will be like this)

Now, if those offsprings cross with each other: Pp x Pp
results:
  1/4 would be purple  homozygote -> PP
  1/4 would be white -> pp
  2/4 would be purple heterozygotes -> Pp
Genotipic ratio: 3:1 (3 are purple; 1 is white)
7 0
3 years ago
A group of mutations, known as MT-ND1 , have been identified in mitochondrial DNA . These mutations are associated with a number
Doss [256]
<h2>Production of mitochondrion DNA  </h2>

Explanation:

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  • Mitochondria are the powerhouses of the cell. In all eukaryotes that don't rely upon photosynthesis, the mitochondria are the primary wellspring of adenosine triphosphate (ATP), the vitality rich intensify that drives central cell capacities.
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6 0
3 years ago
What is the hermaphroditic reproductive structure seen in tapeworms called a?
artcher [175]
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8 0
3 years ago
The type of climax vegetation that grows in a particular climate zone is influenced mostly by
zloy xaker [14]
<h3>Answer;</h3>

Climatic limitations of the area

<h3><u>Explanation;</u></h3>
  • Climatic climax is a stage in which the plant species live in perfect balance with the current environmental conditions. Although climate is the major influence on vegetation at a global scale, on a local scale other factors such as drainage, geology and relief affect plant growth.
  • In the process of ecological succession, one community replaces another until a climax community is established. The type of climatic vegetation that grows in a certain geographical area is most directly influenced by a climatic limitations of an area.
  • <em><u>A climax community is able to exist in a certain geographic region for a long period of time because it remains in equilibrium with the environment.</u></em>
  • <em><u>Ecosystems tend to change with time until a stable system is formed. All stable ecosystems are characterized by the presence of a specific climax vegetation influenced by the climate of the area</u></em>.
5 0
3 years ago
Read 2 more answers
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