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g100num [7]
3 years ago
12

Which of the following is an example of passive transport??

Biology
2 answers:
ollegr [7]3 years ago
8 0
A) diffusion is the answer to yo question
elena55 [62]3 years ago
6 0

Answer:

A) Diffusion

Explanation:

Passive transport does not require energy input. An example of passive transport is diffusion, the movement of molecules from an area of high concentration to an area of low concentration. Carrier proteins and channel proteins are involved in facilitated diffusion.

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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
3 years ago
7) Phospholipids are important in the structure of:
SVEN [57.7K]

Answer:

B

Explanation: They make up most of a cell membrane

4 0
3 years ago
Human genetic material is represented in the diagram below.
ladessa [460]

Answer:A

Explanation:it makes sense

4 0
3 years ago
a cell placed in a solution shrinks by the process of osmosis. what kind of solution is outside the cell?
nordsb [41]
The anser is what you doing 
8 0
3 years ago
What proportion of gametes produced by an individual with the genotype aaBbCc will have two or more beneficial alleles, if benef
olchik [2.2K]

Answer:

B) 0.25

Explanation:

In the given individual, the genotype is aaBbCc. This indicates that the individual has two pairs of contrasting alleles. Thus it will produce four different types of gametes, abc, aBC, aBc and abC will be formed. Out of 4 types of gametes only one gamete namely, aBC is with two beneficial alleles. Thus, the proportion of two or more beneficial alleles is 0.25 (1 out of 4).

8 0
3 years ago
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