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Radda [10]
3 years ago
8

Which phylogenetic tree shows that lactation--the production of milk to feed young--is a homologous trait in humans, dogs, and b

ats (but not in birds and lizards)
Biology
1 answer:
Tomtit [17]3 years ago
3 0

Answer:

The correct answer is - choice 1 in the image.

Explanation:

In this given question there are four phylogenetic trees are given among these four trees one tree shows the milk production to feed young ones which is mologous case in humans, bats, and dogs as they show lactation whereas lizards and birds do not show lactation.

In these four the first option shows the homologous condition at the second branch where milk production is divided from lizard and birds.

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The female gametophyte develops in the ovule from diploid (2n) tissue that undergoes meiosis and eventually forms the haploid (n
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Megasporangium  tissue gives rise to the female gametophyte.

<h3>What is the name of the diploid tissue that gives rise to the female gametophyte?</h3>
  • Three of the four haploid megaspores worsen into antipodal cells interior the female gametophyte.
  • The central cell of the female gametophyte contains two cores that when fertilized gotten to be the endosperm.
  • Megasporogenesis alludes to the advancement of megaspores from the megasporocyte, the cell that experiences meiosis.
  • Meiosis of the megasporocyte core comes about within the arrangement of four haploid megaspore cores.
  • In most taxa, meiosis is taken after by cytokinesis, coming about in four megaspore cells.
  • This design is named monosporic megasporogene - sis; since of the four megaspores delivered, as it were one of them contributes to the female gametophyte

To learn more about female gametophyte from the given link

brainly.com/question/1553953

#SPJ4

3 0
1 year ago
GIVING BRAINLIEST!!!
astra-53 [7]

Answer: C

Explanation: The process that occurred in the lake is natural selection. In the presence of an external environmental influence such as pollution, only the trouts that were fit to survive or in other words those that have the alleles that help in adapting to the new conditions live and increased in numbers. In such a case, one can say the fittest of the organisms survived and the corresponding allelic frequency in that population increased over time. The organisms carrying the other alleles died due to pollution and hence the overall frequency of alleles change.

5 0
3 years ago
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