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Lunna [17]
3 years ago
13

Please HELP ASAP ON A TIMED QUIZ!!!!!!!The image shows a line graph.

Biology
2 answers:
Vesna [10]3 years ago
5 0
I think D would be your best answer
Nina [5.8K]3 years ago
3 0

Answer:

Based on the line graph, what the scientist is most likely to use as this visual aid in a presentation on ocean temperatures is one who wants to show measurements of ocean  temperatures in one spot over time.

Explanation:

The line graph shows the changes in ocean temperature (ordinate axis) over time (abscissa axis), indicating that the measurement was made at a specific location at a specific time.

The scientist can use this graph as a visual aid in the presentation if he wants to show the temperature changes in one place that have occurred over time.

The other options are not correct because:

  • <em>The graph has no relation to the temperature measurement method. </em>
  • <em>The graph shows only one place where the temperature was taken, not several. </em>
  • <em>The graph does not show an image of where certain  temperatures are found in an ocean</em>
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The symptoms of tetanus are caused by the neurotoxin ________.
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Answer:

The correct answer is the neurotoxin known as tetanospasmin toxin.

Explanation:

Tetanus is a disease caused by a bacteria known as clostridium. The bacteria are found in soil, manure, dust, and saliva. It can enter the host body by a cut or rusted or dusty nail or burn. It causes muscle spasm or jaw locking or bone locking.

It releases the neurotoxin that is tetanospasmin toxin that inhibits the secretion of γ-aminobutyric acid (GABA) and results in a variety of symptoms associated with tetanus.

Thus, the correct answer is the neurotoxin known as tetanospasmin toxin.

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3 years ago
Kevin has his mother’s blue eyes and her shyness, which can both be attributed to __________.
lukranit [14]
The answer is B. Heredity
3 0
3 years ago
Read 2 more answers
What are the scientific steps of thinking...?
77julia77 [94]
1. observing
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3. testing hypotheses
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8 0
3 years ago
Which answer best defines what the Lotka-Volterra predator-prey model mathematically describes?-The competition among many preda
yanalaym [24]

Answer:

The simultaneous effect of a predator population on a prey population and a prey population on a predator population over time.

Explanation:  

The mathematical models of Lotka-Volterra equations explain the existing interaction between species in which prey and predator influence and affect each other. The model follows a few assumptions,    

  • The ecosystem is isolated and closed. There is no migration.
  • The whole individuals are reproductively equivalent.
  • In the absence of the predator, prey shows an exponential growth rate. The prey is in the ideal environment.  
  • When there is no prey, the predator population decreases exponentially because of the lack of food. The predator environment is ideal, but it is limited by prey density.  
  • The predation rate is proportional to the encounters rate, which also depends on density.  
  • The predators affect the prey populations, inducing its decrease proportionally to the number of prey and predators present.  
  • The prey population also influences the predator population proportionally to the number of encounters between the two species.  

In these equations, the variable D is the number of predators, and P the number of prey items.

The parameters are always constant:  

• r1: prey growth rate.  

• a1: predator hunting success.  

• r2: predator growth rate.  

• a2: the success of the predator in hunting and feeding.

In nature, many factors affect interactions, such as dense-dependent factors and dense-independent factors. Also, in reality, there are stochastic factors. Stochasticity refers to the variability in the system involving those factors that are affecting or influencing population growth. Stochasticity might be related to good years and bad years for population growth.

In real situations, the compliance of the whole assumption does not occur. The previously mentioned constants might vary, constantly changing the interaction between the predator and the prey. These parameters change in different degrees, resulting in varying circumstances for both species.

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3 years ago
How does biotechnology can increase or decrease variation
swat32
By intruding mutations, which are the ultimate source of biological diversity. I think this is it.
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