BIOLOGY HIGH SCHOOL

Is long-distance sex possible in mosses?Moss sperm are motile and capable of swimming short distances to fertilize an egg. However, it was unknown until recently how sperm make their way from male to female gametophytes that may be separated by a distance of several centimeters or more.
Part A Part complete
Beyond the results presented below, what other evidence would be useful when drawing conclusions about the role of springtails in moss reproduction?

Answers

Answer 1
Answer:

Role of Springtalils in Moss Reproduction

Explanation:

  • Bryophytes are the group of seedles plants that are the closest enduring relative of early natural plants
  • In light of the fact that they nonappearance of lignin and other safe structures, bryophyte fossil advancement is ridiculous and the fossil record is poor. A couple of spores guaranteed by sporopollenin have persevere through and are credited to early bryophytes. By the Silurian time allotment, in any case, vascular plants had spread through the territories. This persuading truth is used as evidence that non-vascular plants likely went before the Silurian time system
  • In a bryophyte, all the conspicuous vegetative organs, including the photosynthetic leaf-like structures, the thallus, stem, and the rhizoid that hooks the plant to its substrate, have a spot with the haploid living thing, or gametophyte. The sporophyte is hardly unmistakable. Right now, gametophyte is the transcendent and most ordinary structure; the sporophyte appears for only a short period. The sporangium, the multicellular sexual regenerative structure, is accessible in bryophytes and missing in the greater part of green development. The sporophyte early living being in like manner stays added to the parent plant, which guarantees and supports it. This is a trait of land plants

Related Questions

In which type of reproduction can cells divide through the process of mitosis?
Which of the following is found in a animal cell , but not in a plant cell?A-nuclei B-centrioles C-mitochodria D-central vacuole
Why is UVA light considered a mutagen?It penetrates the skin and can cause mutations.It can be prevented by wearing a protective vest.It produces chemicals that can be inhaled.It is found in synthetic dyes and cosmetics.
Which of these is an indicator of the age of a woody plant?O A.The number of growth ringsOB.The thickness of the growth ringsO c.The distance between the growth rings
A comfortable room temp is 20C. what is this temp in degrees Fanrenheit?

a chart that shows all the possible combinations of alleles that can result from a genetic cross is called a(n) __________

Answers

Hey Leeann479!

The chart that shows all the possible combinations of alleles that can result from a genetic cross is called a Punnett Square! I've attached an example of one to this answer. 

Hope this helps!

(image credit: Wikipedia)

Why does the chair in which you are currently sitting retain its same shape over time?Question options:
The particles of the chair are strongly held together.
The chair is lower in energy than the surrounding environment.
The particles of the chair are free to move and form their most stable positions.
The chair is made of particles that are relatively far apart and spread out to a maximum to form the chair shape.

Answers

The particles of the chair are strongly held together.

What is the purpose of using genetic engineering to create edible vaccines

Answers

Many people hate shots and don't receive the vaccination, causing many illnesses spread around.

Some animals, such as cows, normally produce only one offspring from each mating. If a cow showed a dominant phenotype, why would a typical testcross be a difficult way to determine the genotype of that animal?

Answers

Answer:

Because of insufficient number of offsprings to determine the result of test cross.

Explanation:

Normally, in genetics, a test cross is a cross between a dominant phenotype (genotype unknown) and a homozygous recessive genotype in order to determine the genotype of that dominant organism.

The result of the test cross is obtained when a 1:1 phenotypic ratio is produced for each trait i.e. 1 dominant trait: 1 recessive trait showing that the parent is heterozygous while all the offsprings will show dominant traits if the dominant phenotype was homozygous. Hence, more than one offspring is required to be able to conclude

In this question, the cow only produce one offspring which may be DOMINANT for the observed trait making it difficult to know if other offsprings will all be dominant or some of them recessive. Hence, it is not a sufficient number needed to determine the genotype from the phenotypic ratio of offsprings.

What aspects of the genome can and cannot be determined through karyotyping?

Answers

We can define that the set of chromosomes of each individual is called a karyotype. In the human species, this set is composed of 46 chromosomes: 23 from the male parent and 23 from the female.

What is karyotyping?

The karyotype of an individual can be observed through a photograph of its chromosomes. This process is known as karyotyping, and is performed with diploid (2n) somatic cells during metaphase, a stage of the cell division process (mitosis) in which the chromosomes are more condensed and, therefore, their identification is easier.

With this information, we can conclude that the aspects of the genome that can be determined through karyotyping are identifying changes in the number of chromosomes in an individual.

Learn more about Chromosomes inbrainly.com/question/296477
The correct answer to this question is that:

The idea of Karyotyping is that it helps us to know the sex of a person and it gives us information whether there are chromosomal disorder or not. As a whole, it won't tell us the traits of a person because those traits are acquired how he or she interacts with the society.

True or false: power is work done over a distance

Answers

Hi there! That would be false. Power isn't work done over a distance. It is work done/power*time
It would be false.power isnt work done over distancebitbis work done over power
Other Questions
The theme of Rabindranath Tagore’s poem “We Both Live in the Same Village” is best summed up in which of the following statements?A. The natural world is as beautiful as the woman the speaker admires. B. The elements of the natural world reflect and connect the lover’s bliss. C. The beauty of the natural world is not as great as his beloved’s beauty. D. The lovers thrive when every beautiful thing in nature shares their happiness.
The sawing and grinding action of rock fragments in the water is called what?
Debates are an important part of the election process, because they
Describe the process by which vaccines induce immunity.