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ivolga24 [154]
3 years ago
15

How does population density differ from population size? a.Population size takes all organisms into account, while population de

nsity only takes specific age groups of the population into account. b.Population size is the total number of organisms, while population density is the total number of organisms within a given area. c.Population size is the total number of organisms within a given area, while population density is the total number of organisms of a specific age. d.Population size is the total number of organisms of all species, while population density is the total number of orga
Biology
2 answers:
jarptica [38.1K]3 years ago
6 0
Population density differ from population size in that it "<span>b.Population size is the total number of organisms, while population density is the total number of organisms within a given area"</span>
hichkok12 [17]3 years ago
5 0

Answer: B) Population size is the total number of organisms, while population density is the total number of organisms within a given area.

Population size refers to the total number of organisms present in a  population. On the other hand, population density reflects population size per unit area.

For example- In a population, if 200 individuals are living in 100 square meter of area.

Population size = 200

Population density = 200/ 100 = 2 individuals per square meter.

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Our volitional centre, the motor cortex, is where we impose specific facial expressions in order to convey the desired message or because the situation requires it.

<h3>What is the purpose of the motor cortex?</h3>
  • The motor cortex's main job is to provide signals that control how the body moves.
  • It is anterior to the central sulcus and a portion of the frontal lobe.
  • The primary motor cortex, premotor cortex, and supplementary motor area make up this region.
<h3>What kinds of motions does the motor cortex regulate?</h3>
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1 year ago
What is the central theme and how is that developed In “the story of an hour.”
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The Story of an Hour Theme of Freedom and Confinement. At first, freedom seems like a terrible thing to Mrs. Mallard, who's restricted in lots of ways: through her marriage, by her bad heart, and even inside her home, which she doesn't leave during "The Story of an Hour."
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3 years ago
You place an inoculum of your bacterium on a glass slide and add a drop of hydrogen peroxide reagent. Promptly you see bubbles a
marissa [1.9K]

Answer:

The correct answer is A) Biochemical test

Explanation:

In microbiology biochemical test is used to examine the metabolic activities performed by bacteria to identify that microorganism. So in biochemical test enzymatic reaction of cell is usually investigated because there is difference in enzymatic activity of different species of bacteria.

For example, catalase test that is used to differentiate between catalase-positive and catalase-negative bacteria is an example of biochemical test. Catalase-positive bacteria have the catalase enzyme that breaks hydrogen peroxide into water and oxygen which is confirmed by bubbles that appear on glass slide.

Catalase negative bacteria do not form bubbles when they are put in hydrogen peroxide which shows that they lack catalase enzyme. So the right answer is A.

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