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lakkis [162]
3 years ago
8

* variable is changed A controlled experiment is an experiment in which

Biology
1 answer:
Paha777 [63]3 years ago
7 0

Answer:

Everything is kept the same except the independent variable which changes

Explanation:

Hopefully this helps

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What would be the chloroplast in an amusment park?
vladimir2022 [97]

Answer:

Chloroplasts are the site of photosynthesis in the cell and it also consists of a double membrane. it relates to the solar panels of an amusement park because both things take energy from the sun and use it to provide energy for their systems.

7 0
2 years ago
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On topographic maps, how does the spacing of contour lines relate to continental and ocean-floor topography? A. For both contine
Trava [24]

For both continental and ocean-floor topography, gentler slopes are represented by widely spaced lines while steeper slopes are represented by closely spaced lines.

Explanation:

The contour lines are one of the main, and one of the most used methods on the maps for representing the topography. Basically, the contour lines are closed lines that connect dots on the same elevation. It may sound very simple, but they do provide good insight into the topography, especially if the reader of the map knows how to interpret them well.

The contour lines are used both for continental and ocean-floor topography. The rules are the same for both, including the representation of the slopes. When a slope is gentler, the contour lines are more widely spaced. When a slope is steeper, the contour lines are much more closely spaced.

Some elements of the contour lines or that go with them to give better representation are:

  • black dots (representing a top)
  • thicker lines (every fifth, so that the counting is faster and easier)
  • small lines with given direction (representing cliffs or highly steep slopes)
  • numbers (providing information about elevation)

Learn more about contour lines brainly.com/question/1972242

#learnwithBrainly

4 0
3 years ago
The number of possible genetically different gametes for an organism equals
masya89 [10]

The organism can produce 12 genetically different gametes.

<h3><u>Explanation:</u></h3>

The gametes are the unit of sexual reproduction which are produced by an organism from their germ mother cell by means of meiosis. This gametes do carry half the amount of total chromosomes that is present inside each cell of that organism. This process let's the genetic combinations of chromosomes to get more variations among offsprings. But this isn't the only source of variation among the offsprings.

Each and every germ mother cell that's undergoing the meiotic division undergoes a process called crossing over and chaismata formation which gives the genetic mixing among the different alleles of same character among the organism.

Thus, statistically, if the organism has n pairs of chromosomes, then the organism will be able to produce 2n number of genetically different gametes which helps in finding out the probability of genotype of the offsprings.

So if the organism has 6 pairs of chromosomes, then the organism will be able to produce 12 genetically different gametes.

3 0
4 years ago
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For which reasons would a male peacock spread his
morpeh [17]

Answer:

definitely:

o To attract a peahen

o To intimidate rivals

Maybe:

o To Cool off

o To protect his peachicks

For sure incorrect:

o To show that he is healthy

o To run from a predator

5 0
3 years ago
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In 2-3 sentences and in your own words, explain the difference in the cell wall of a Gram-positive cell versus in the cell wall
Dmitriy789 [7]

Answer:

<h2>They are classified on the basis of their cell wall composition and as well as by the reaction to the Gram stain test. </h2>

Explanation:

Most bacteria are classified into two main categories

i) Gram positive bacteria and ,

ii) Gram negative bacteria.  

They are classified on the basis of their cell wall composition and as well as by the reaction to the Gram stain test.

Gram positive bacteria's characteristics

 ii) they have cell walls composed mostly of  peptidoglycan.

i) stain purple after Gram staining.

Gram negative bacteria's characteristics.  

i) they have cell wall only a thin layer of peptidoglycan and an outer membrane with a lipopolysaccharide component.

ii) stain red or pink after Gram staining.  

5 0
3 years ago
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