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Digiron [165]
2 years ago
7

Which type of selection leads to increased phenotypic and genetic variation?

Biology
2 answers:
irina [24]2 years ago
7 0

Answer:

Diversifying or disruptive selection increases genetic variance when natural selection selects for two or more extreme phenotypes that each have specific advantages.

AveGali [126]2 years ago
3 0
In directional selection, a population's genetic variance shifts toward a new phenotype when exposed to environmental changes. Diversifying or disruptive selection increases genetic variance when natural selection selects for two or more extreme phenotypes that each have specific advantages
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Joe has heard that fertilizer makes tomato plants produce more tomatoes and bigger tomatoes. He decides that he wants to find ou
jeka57 [31]

The control group in this experiment is the group of tomatoes that do not receive any fertilizers i.e. fourth tomato plants.

<h3>What is Fertilizer?</h3>

Fertilizer may be defined as any chemical or natural substance which is added to the soil with the intention of enhancing productivity.

All those groups of tomatoes in which fertilizers are added behave as a reference group while those in which fertilizer is not added behave as a control group.

Therefore, it is well described above.

To learn more about Fertilizers, refer to the link:

brainly.com/question/24544067

#SPJ1

6 0
1 year ago
Which of the following most directly influences a measurable outcome in an experiment. An independent variable A variable hypoth
Reika [66]

Answer:

An independent variable

Explanation:

An experiment consists of two variables viz: independent and dependent variable. Independent variable is the variable that the experimenter controls in order to influence or effect a change in the measurable variable called dependent variable. As the name suggests, the dependent variable is dependent on the independent variable.

For example, a scientist is trying to conduct an experiment on how the caffeine level in different types of drink affects the time of sleep in individuals. The independent variable in this experiment is the TYPE OF DRINKS because it is the variable controlled by the experimenter in order to influence the time of sleep (measurable outcome).

4 0
2 years ago
A galaxy has less mass than a moon and more mass than a planet.<br> True<br> False
TEA [102]

Answer:

False, major false. A galaxy is a small portion of the entire universe... it contains plants, stars, asteroids, moons are insignificant compared to it. Also, pretty much all moons are larger than planets so that wouldn't even make sense.

7 0
3 years ago
Read 2 more answers
How does the sun provide energy to drive the earth's weather phenomena?
Artyom0805 [142]
Without sunlight plants can undergo photsynthesis and cannot produce oxygen for humans to breathe and would cause the humankind to go extinct.
5 0
3 years ago
Read 2 more answers
Which is not true of gene expression?
MrRissso [65]

In simple terms, Gene expression can be stated as the process by which the heredity details in a gene sequence a be made into a functional gene.

<u>Explanation:</u>

  • The odd one for this question is probably would be "it occurs because of cellular signals within your body".
  • It explains how a cell functions. In Gene expression, the gene encodes the protein and the message from DNA to RNA gives the cell functions.
  • It is the specific combination of genes that are turned on or off. It can be stated as the process of turning off and turning on, it acts as a switch to on and off it is known as the gene expression or gene regulation.
  • It creates different DNA within each of your cell types. The unique design of gene expression results in unique and different combinations of proteins and makes each cell types.

3 0
3 years ago
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