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Katena32 [7]
4 years ago
8

Lionfish have become an invasive species since their introduction into the Atlantic Ocean, where they have few natural predators

due to their venomous spines and quick reproduction. They feed voraciously on native reef fish and mollusks, negatively impacting coral reef biodiversity. How can scientists further investigate the characteristics and impact of lionfish in order to develop potential solutions to this issue?
Capture lionfish and study their spines in a laboratory
Study the lionfish in their natural habitat in the Pacific Ocean
Study maps of lionfish sightings prior to 1995
Use a remotely operated underwater vehicle (ROV) to capture lionfish
Biology
1 answer:
____ [38]4 years ago
4 0

The correct answer is option 2- Study the lionfish in their natural habitat in the Pacific Ocean.

As mentioned in the question that lionfish is considered to be highly dangerous due to their fierce and veracious life style. In order to know more about the characteristics and impact of lionfish in order to develop potential solutions to the issue is to:

- Capture lionfish and study their spine in lab  

- Study their life style in their natural habitat  

This will help us to improvise ways that could help us protect other fishes from lionfish and also help us to develop a safe environment for the other marine animals.


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Plz help!!!!<br> Kinda in a hurry to catch up on biology rn anything can help!!!
luda_lava [24]

Answer:

16. Control group: Subject A

17. Independent (manipulated) variable: Type of powder

18. Dependent variable: Itching time

19. Explain whether the data supports the advertisement´s claims about its product. Yes, it does.

Explanation:

  • Control group: The control group is used to identify if there are any other factors influencing the results obtained by the treatment in the study (in this case, the new product), from the results that might be a consequence of other factors. The control group must be selected from the same population as the treatment group. Data from an experimental group are compared with the data from a control group. These two groups are identical in all aspects except for the independent variable that the researcher changes in the experimental group to observe how they affect the individuals.  

The experimental group is the one that receives the experimental procedure, with changes in the independent variable.  There can be several experimental groups. In this case, the experimental group is subject B.

  • Independent (manipulated) variable: Refers to all the variables in an experiment that provoke a response in another variable. An independent variable is the one that changes or is controlled and modified in the experiment to analyze how another variable responds to it. It changes to analyze its effects on the dependent variable. Usually, the independent variable is represented by the X letter. In the exposed example, the type of powder is the independent variable.  
  • Dependent variable: Refers to the variable, which response depends on any change in the independent variable. It represents a quantity of something which value depends on how the independent variable is modified. The change in the dependent variable might be proportional or inversely proportional to the change in the manipulated variable. It is usually identified by the letter Y. In the exposed example, inching time is the dependent variable, that depends on the type of powder used.
  • The data <u>does support</u> the advertisement´s claims about its product. The effect of the new product lasts 50% more than the original product. The old powder produced itching for 30 minutes, while the new product produced itching for 45min (15 more minutes, 50% more).
4 0
3 years ago
how does the earth evlove around the sun while the moon evlolves around the earth with out those two planets colliding
ICE Princess25 [194]

Answer:

This is a rather complicated thing to explain so I'll try my best. To put it in simple term the sun has whats called a SOI (sphere of infleunce) and anything inside of this is effected by the gravity of that planet or sun in this case. The earth is inside of this sphere of influence. The earth has a constant velocity that is making it move away from the sun but since it's in the suns SOI the path in which the earth moves is changed in a way that causes it to spin around the sun. The same thing is happening with the moon. I'm not 100% sure on this but I think the reason the moon does not just fly away towards the sun is because it is closer to earth and is more effected by earths SOI. Hope this cleared things up for you.

7 0
3 years ago
At Plymouth Elementary, first- through third-graders learn in a multiage classroom where children of varying ages and abilities
Alex
<h2>Principle of peer collaboration</h2>

Explanation:

  • Peer collaboration effort is a type of friend learning circumstances in which students cooperate, up close and personal, in a study hall setting toward a common comprehension called an assembly.
  • Information intermingling happens because of the social connection that happens between the students as they cooperate to accomplish the objectives of an assignment All things considered, how much information is shared between working together matches relies upon the communication between the students involved, even considering these restrictions, this examination has made commitments to inquire about on peer joint effort and learning with hypermedia.
  • Initially, we give proof that peer coordinated effort isn't an unequivocally successful technique for learning for all students directions and an errand that energized joint effort, the students in our investigation had very fluctuating degrees of achievement learning with an accomplice. Unstructured peer collaboration effort, like this investigation, is effortlessly used in the homeroom and may hold the hallucination of being a compelling method for guidance.
  • In any case, the aftereffects of this investigation, and others, recommend alert ought to be practiced in the wholehearted acknowledgment of unstructured friend joint effort as a type of teaching method for all students.
  • Hence, the right answer of fill in the blank is "peer collaboration"

3 0
3 years ago
Certain drugs, known as angiogenesis inhibitors, are effective anti-cancer drugs because they cut off the blood supply to tumors
kati45 [8]
The answer is A: epithelial tissue lines the surface of blood vessels and organs so you can't really cut off tis blood supply 
7 0
4 years ago
Read 2 more answers
Of the components that make up one's total energy expenditure, which is controlled by the person?
Pachacha [2.7K]

Total daily energy expenditure (TDEE) represents calories burned vs calories consumed or the total number of calories you burn for energy each day. It consists of three main components:

1. Resting metabolic rate (RMR) or Basal metabolic rate (BMR)- It is the energy which is associated with the maintenance of major body functions.

<span>2. The thermic effect of activity (TEA) or <span>Activity thermogenesis- It is the </span>energy expenditure due to physical work, muscular activity or physical exercise and it is controlled by a person.</span>

<span>3. The thermic effect of feeding (TEF) or Thermogenic foods-It is the energy expenditure after several meals and<span> it refers to calories used to digest different kind of foods you eat.</span></span>
5 0
3 years ago
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