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BlackZzzverrR [31]
2 years ago
7

Fertilizer runoff causes an increase in the dissolved nutrients of the ecosystem shown in the food web below. This causes the nu

mber of phytoplankton to double. How will this most likely affect the other species in this ecosystem?
Biology
2 answers:
attashe74 [19]2 years ago
8 0

Answer:

The shrimp population will increase which will cause an increase in the squid population.

Explanation:

nadezda [96]2 years ago
3 0

Answer:

If excess fertilizer is mixed with the water,it causes algal bloom as the number of phytoplankton increases at the initial stage due to intake of large amount of nutrients that are obtained from the fertilizers.

Explanation:

The nutrients that are mainly found in fertilizer are nitrogen and phosphorus that mainly helps for growth and development of plants.Fertilizers that are applied in the agricultural field are rich in nutrients and minerals that enters into the water stream through runoff and disturbs aquatic environment by reducing the oxygen content in the water due to algal bloom,emits odour and gas in the air,release toxic substance that kills many aquatic organisms,decrease water quality,increase level of pathogen that creates life threatening diseases etc.

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Identify a dependent variable measured in the researcher’s experiment. Identify one control that the researcher could use to imp
velikii [3]

Answer:

(a).concentrated lactic acid and that of NAD+.

(b).use of the response of NAD+ and lactic acid in absence of vitamin treatment as the CONTROL.

Explanation:

To understand this question and be able to solve this question efficiently we have to understand the concept of "respiration''. But, the short and the most simple answer to the question above can be found in the first statement of the question.

The electron transport chain include the cycle that occurs during glycolysis, fermentation and the transformation of NAD+ to form NADH and vice versa.

In the research, the dependent variable is the concentrated lactic acid and that of NAD+.

In order to increase the validity of the experiment, the Researcher can make use of the response of NAD+ and lactic acid in absence of vitamin treatment as the CONTROL.

5 0
2 years ago
Why do fully grown adults still have stem cells inside them?
kolezko [41]

Answer:

The primary roles of adult stem cells in a living organism are to maintain and repair the tissue in which they are found.

Explanation:

5 0
2 years ago
Read 2 more answers
Human blood types are characterized by the presence absence of surface markers known as a tigers on the surface of red blood cel
zalisa [80]

Answer:

characterized by presence or absence of antigens

the blood types are A, B, O, AB

Explanation:

There are two antigens and two antibodies that are mostly responsible for the ABO types.  The specific combination of these four components determines an individual's type in most cases. Erythrocytes and serum were related to the presence of antigens on these erythrocytes and antibodies in the serum. these antigens  are A and B, and depending upon which antigen the erythrocytes express, blood either belonged to blood group A or blood group B. A third blood group contained erythrocytes that reacted as if they lacked the properties of A and B, and this group was later called "O" blood group. The fourth blood group AB, was added to the ABO blood group system. These erythrocytes expressed both A and B antigens.

Blood group   Antigen present on RBC    Antibodies in serum    Genotype(s)

      A                        antigen A                             anti-B                     AA or AO

      B                        antigen B                             anti-A                     BB or BO

      AB              both A and B antigen                 none                         AB

      O                           none                           anti-A and anti-B           OO

4 0
2 years ago
A scientist wanted to formulate a pill to attack a specific type of bacteria that infects the throat. Which biological component
svetlana [45]

Answer:

D. antibodies

4 0
2 years ago
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In pea plants, yellow seed color is dominant and green seed color is recessive. What will the generations look like? Assume that
shepuryov [24]

Answers;

-The P generation has yellow and green seeds.

-The F1 generation has all yellow seeds.

-The F2 generation has yellow and green seeds.

Explanation;

Yellow seed color (dominant)

Green seed color (recessive)

P generation: In Mendel's experiments the parental generation.

Yellow seed color

F1 generation: In Mendel's experiments the offspring of the P generation

Yellow seed color and

Green seed color

F2 generation: In Mendel's experiments the offspring of the F1 generation

4 0
2 years ago
Read 2 more answers
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