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Ludmilka [50]
3 years ago
14

In 2001, a small population of mice in Colorado had 150 births, 110 deaths, 12 immigrants to the population, and 2 emigrants fro

m the
population. In 2002, Colorado experienced a severe drought. In this year, the birthrate for the population remained the same (150), but there
were 140 deaths, 2 immigrants to the population, and 12 emigrants from the population. Keeping in mind the equation for growth rate (r= [B
+ 1 - [D+]), explain what the population curve would look like for this population during the period from 2001 to 2002.

It would be a U-shaped curve because the population dropped and rebounded during these years.

It would be flat because the population experienced neither growth nor decline during these years.

It would show an increase in the population in 2001 and a flat line in 2002.

It would show an increase in the population in 2001 and a decrease in the population in 2002
Biology
1 answer:
DIA [1.3K]3 years ago
6 0

Answer:

b

Explanation:

please mark brainliest

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Which of the following statements about base pairing in DNA is incorrect?
almond37 [142]

Answer:

Adenine binds to guanine.

Explanation:

Rules of the base pairing are:  

A with T

Purine base, adenine (A) pairs with the pyrimidine base, thymine (T).

C with G

Pyrimidine base, cytosine (C) pairs with purine base, guanine (G).

<u>(Option A is correct). </u>

<u>(Option B is incorrect). </u>

Nitrogenous bases are positioned in the inside helix structure like the rungs of a staircase due to hydrophobic effect and are stabilized by hydrogen bonding.  

<u>(Option C and D is correct). </u>

8 0
3 years ago
What do all living things have in common with eachother
raketka [301]

Answer:

growth, reproduction, they are made up of cells, they respond and adapt to their environment, and obtain and utilize energy.

Explanation:

every living thing has those 6 characteristics.

3 0
3 years ago
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What organelles are used in passive and active transport
Montano1993 [528]

Molecules can diffuse across membranes via transport proteins, or they can be aided in active transport by other proteins. Organelles such as the endoplasmic reticulum, Golgi apparatus, mitochondria and peroxisomes all play a role in membrane transport.

7 0
2 years ago
When the outer electron shell is full in an element, this creates a __________ ___________
Ierofanga [76]

<u>Answer: </u>

When the outer electron shell is full in an element, this creates a Noble gas.

<u>Explanation</u>:

Noble gases are the elements that belong to group 18 in the periodic table.  Noble gases are also called as inert gases. The outermost shell of the noble gases are fully filled by electrons. Due to this the noble gases don’t react with any other elements and remain isolated.

There are 6 noble gases in the periodic table. They are helium (He), Argon (Ar), Neon (Ne) Krypton (Kr), Radon (Rn) and Xenon (Xe). Noble gases conduct electricity. They are fluorescent, odorless and colorless. Noble gases are used a maintain stable elements in a constant and safe environment.

5 0
2 years ago
Griffith called the process he observed transformation because
Eva8 [605]

Answer:

The correct answer would be the harmless bacteria had been transformed.

Griffith used two different strains of the bacteria <em>Streptococcus pneumoniae - </em>type-III-S or smooth strain and type II-R or rough strain.

Smooth strain had protective covering around itself (protect itself from hosts's immune system) and was able to kill the mice.

Rough strain did not have any protective covering around itself  and thus could be easily removed by the immune system Hence, it was not able to kill the mice.

In addition, heat killed smooth strain was also not able to kill the mice. However, when remains of it was added with rough strain then the blend was able to kill the mice.

Lastly, he was able to isolate living bacteria of both the strains.

He concluded that non-lethal type II-R strain was transformed into lethal type II-S strain by "transforming principle" (which we know today as DNA) that was supposed to be the part of dead III-S strain bacteria.

5 0
3 years ago
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