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djverab [1.8K]
3 years ago
6

A student is designing a controlled experiment to test whether the amount of water that a plant receives affects its growth. Whi

ch variable should the student change?
Biology
2 answers:
MA_775_DIABLO [31]3 years ago
5 0
The amount of water should be changed by the student
Alina [70]3 years ago
4 0

Answer: The amount of water .

Explanation: it's because if we don't change the amount water then we will have the same value as before.

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If the natural habitats were destroyed,the more animals/plants will going to be fewer/lesser in that particular area.
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What component of a skin cell is responsible for absorbing ultraviolet light?
horrorfan [7]
The epidermis. It's the first layer of skin.
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10 15 20
Ilia_Sergeevich [38]

Answer: where is the graph

Explanation:

8 0
3 years ago
1. The effect of initial population sizes on the growth of populations of an organism was
ella [17]

When graphing data, we must consider the variables, label axes, define units of measure. In this case, variables are initial population size / final population size, showing an directly proportional relationship.

-------------------------------------

We need to construct a graph illustrating the data in the table.

We can make a <u>dispersion graph</u>. To do it, we need to define variables.

Since we want to know how <em>different initial population sizes affect population growth, </em>

  • the independent variable is the initial population size
  • the dependent variable is the final population size (after 24 hours)

The final population size depends on the initial population size. This is, <em>the number of individuals at the beginning will </em><em>influence</em><em> the final number of individuals</em>.

  • Initial population sizes ⇒X horizontal ax ⇒Unit: Number of individuals
  • Final population sizes ⇒ Y vertical ax ⇒ Unit: Number of individuals

By making a dispersion graph, we can represent the effect of the varying initial population sizes on the final population sizes. We can compare these effects and observe how populations grow as the N₀ increases.

We can also choose a <u>bar graph</u>. In this way, we can compare initial and final population sizes.

This graph will show populations and two bars per population.

  • Blue bar ⇒N₀⇒ Initial population size
  • Red bar ⇒N₁ ⇒ Final population size
  • Different populations ⇒ 1, 2, 3, 4, 5 ⇒ Represented in the X horizontal ax
  • The number of individuals ⇒ from 1 to 324 ⇒ Represented in the Y vertical ax.

By making a bar graph, we can represent initial and final population sizes and compare them. <em>The population that begins with 1 individual, after 24 hours has 4 individuals. The population that begins with 3 individuals, ends with 9 individuals. And so on</em>.

No matter which graph you choose, you will observe a directly proportional relationship between both variables. The bigger is the initial population size, the bigger it ends after 24 hs.

---------------------------------

Related link: brainly.com/question/24827485

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<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> pdf </span>
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5 0
3 years ago
which of the following is not a true difference between the chromosomes of eukaryotes and those prokaryotes
Sedaia [141]

Answer:

3rd option

Explanation:

Eukaryotic cells have many chromosomes while most prokaryotic cells consist of just one circular chromosome.

8 0
2 years ago
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