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Greeley [361]
3 years ago
7

Observe 10 activities and state which sense is used to make the observation?Please help.​

Biology
1 answer:
SOVA2 [1]3 years ago
4 0

Answer:

Hope this will helpful  to you......

Explanation:

We know the sky is blue by using the  sense of sight

We know candy is sweet by using the  sense of taste

we feel the fragrance  of rose by using sense of smell

we know about beautiful guy by sense of sight

we know about stuff of clothe by sense of touch

we know about the quality of music by sense of hearing

we enjoy our food by feeling different tastes through sense of smell

we know about hardness of rock through sense of touch

we enjoy our talkings through sense of hearing

we do different  tasks by using combination of our senses.......

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PLEASE HELP AND FAST THANK YOU!!!
Zarrin [17]

Answer:

Statement 1: Homologous chromosomes line up at the equator in pairs.

Name of Phase: Metaphase 1

Sequence: 3

Statement 2: The cell replicates its chromosomes

Name of Phase: S-Phase, Interphase

Sequence: 1

Statement 3: Homologous chromosomes separate and move to opposite poles of the cell

Name of Phase: Anaphase 1

Sequence: 4

Statement 4: Spindle forms, DNA coils up in homologous chromosomes come together in a tetrad; crossing over may occur.

Name of Phase: Prophase 1

Sequence: 2

Statement 5: Events occur in reverse order of prophase 1

Name of Phase: Telophase 1

Sequence: 5

Explanation:

Following is a summary of the events of meiosis:

1. Interphase:

Prepares the cell for division. Duplication of DNA, duplication of centrioles occurs and the cell grows in size. At this stage the cell is diploid (2n).

2. Prophase 1:

First stage of Meiosis 1.The centrioles move to the poles of the cell, the nuclear membrane disintegrates, homologous chromosomes pair up (in the form of tetrad), form a chiasmata and then exchange segments of chromosomes with each other. This process is called crossing over.

3. Metaphase 1:

Involves the arrangement of the crossed over, homologous chromosomes on the metaphase plate which is sort of like a web of spindle fibers that originates from the centrioles.

4. Anaphase 1:

The tetrads arranged on the metaphase plate are pulled apart by the spindle fibers. This is the result of tension that build up in the spindle fibers as they grow towards opposite poles.

5. Telophase 1:

The last stage of meiosis 1. Involves the arrival of the chromosomes at the poles, the nuclear membrane starts to form and the chromosomes start decondensing. Telophase 1 yields 2 daughter cells with half the number of chromosomes as that in the parent cell.

Meiosis 2:

Meiosis 2 is exactly similar to mitosis. The only difference is that the haploid cells entering meiosis 2 do not duplicate their DNA. Meiosis 2 just involves the separation of the sister chromatids of homologous chromosomes.

  • As mentioned above, interphase does not occur before meiosis 2.
  • Prophase 2 involves the disintegration of nuclear envelope, centrosomes start moving to the poles.
  • Metaphase 2 arranges the chromosomes on metaphase plate.
  • Anaphase 2 separates the sister chromatids from the chromosomes.
  • Telophase 2 develops the nuclear envelope and separates the nuclei of the daughter cells into 2. Nuclear division id followed by cytokinesis (division of cytoplasm). Telophase 2 result sin 4 haploid daughter cells with one chromatid from each chromosome.
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This gives an example of a "Harsh" climate
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Ad libitum [116K]

Answer:

crab and lobster

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