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diamong [38]
3 years ago
14

Three main structure of eukaryotic cell

Biology
1 answer:
lyudmila [28]3 years ago
6 0
Plasma membrane, cytoplasm and ribosomes.
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Fill in the missing words. naturalselection foundereffect geographicallyisolated species evolution
grandymaker [24]

Hi!


The ancestral finch founded a new population on one of the Hawaiian Islands. Due to the founder effect , allele frequencies of the first small population on one of the islands could have differed from their continental goldfinch-like ancestors. The process of natural selection resulted in adaptation and evolution of the island population into a new species over time. Some of the birds crossed to some of the other islands where they were geographically isolated and evolved into more species occupying different niches.


In terms of population genetics, founder effect is when there is a loss of genetic diversity as a result of the establishment of a new population by a relatively few individuals. Following such an establishment, natural selection is the process  which results in the genes of the fittest individuals of the population being selected over generations. This process ultimately results in evolution, and over time may give rise to new species. Geographical isolation is the physical separation of a population from another owing to geographical changes in the terrain or area. If two populations of the same species are geographically isolated, there is a great chance over time they may evolve into two different species.


Hope this helps!

8 0
4 years ago
Which among these excerpts best reflects Byron’s appreciation of beauty?
Alisiya [41]
Out of the choices given, the excerpt that best reflects Byron's appreciation of beauty was "the nameless grace/Which waves in every raven tress." The excerpt comes from the poem "She Walks in Beauty." 
4 0
3 years ago
How are all living things classified
disa [49]
There are 7 levels of classification for Animals. Kingdom, Phylum, Classes, Order, Families, Genus, and Species. 
5 0
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Please help! true or false
tino4ka555 [31]

the correct answer is false

4 0
3 years ago
Describe the levels of organization found in your neighborhood from the smallest level of organization to the largest.
Doss [256]

Answer:tissue

Explanation:

Tissues are groups of cells that have a similar structure and act together to perform a specific function. The word tissue comes from a form of an old French verb meaning “to weave”. ... Groups of tissues make up organs in the body such as the brain and heart.

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