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Rom4ik [11]
3 years ago
6

How are the nervous systems of a flatworm and a fish different?

Biology
1 answer:
vlada-n [284]3 years ago
4 0

Answer:

One has a brain with a forebrain, a midbrain, and a hindbrain, and the other has ganglia in which integration can occur.

Explanation:

=)

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Which best describes the lower body structures of humans and chimpanzees?
Nadya [2.5K]

Answer:

B (The human foot has three arches, but the chimpanzee foot only has one)

Explanation:

Correct in edge 2021

4 0
3 years ago
A property of living and non living things
earnstyle [38]
Hihi!

There are seven characteristics of living things: movement, breathing or respiration, excretion, growth, sensitivity, and reproduction! But sadly as for non-living things they lack most of these things. Their characteristics are that <span>they lack the </span>capability<span> for </span>growth<span>, </span>reproduction, respiration<span>, </span>metabolism<span>, and </span>movement<span>. They also cannot </span><span>respond to a stimuli and they also cannot</span><span> evolve and adapt to their environment. Isn't that kind of sad?
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3 0
3 years ago
9. Are the chromosomes in these pairs similar or identical? Explain."
Paul [167]
D I’m pretty sure it correct
7 0
3 years ago
Each orientation of chromosomes produces gametes with the same genetic information from each parent.
oksano4ka [1.4K]

Answer: a) true

Explanation:

The goal of mitosis is to produce daughter cells that are genetically identical to the mother cell, without a single extra or missing chromosome. Meiosis, on the other hand, is only used for one purpose in the human body: the production of gametes or sex cells, i.e. sperm and eggs. The question is oriented to mitosis, <u>in which prior to this cell division, the cell duplicates its DNA</u> so that each daughter cell then inherits the genetic material. That is, the cell originally possesses 23 chromosomes, they duplicate to a total of 46 so that then each daughter cell receives 23.

The metaphase is the second phase of mitosis and meiosis that occurs after prophase where the envelope is lost and microtubules of the achromatic spindle (also called meiotic or mitotic) appear.

During metaphase, the chromosomes align themselves in the middle of the cell and this balanced midline spindle alignment is due to the equal and opposing forces generated by the kinetochore brothers.

Then during metaphase, the chromosomes will line up in the center of the cell to be separated and go each to a different daughter cell. But the moment they're found there, each orientation of chromosomes produces gametes with the same genetic information from each parent. <u>Because because there have been no changes or mutations in the chromosomes, they have duplicated and have the same genetic information.</u>

6 0
4 years ago
3. How far can an S-wave travel in 6 minutes 40 seconds?<br>​
Vera_Pavlovna [14]

Answer:

1800km

Explanation:

This question will be answered using the attached S-wave graph.

The graph is plotted as time (y axis) against distance (x axis).

So, when

y = 6 minutes 40 seconds

x = 1.8 * 10³ km

So, we have:

x = 1.8 * 1000km

x = 1800km

7 0
3 years ago
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