1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
miss Akunina [59]
3 years ago
15

Elias conducted an experiment about the effects of exercise on the heart rate of teenagers. Before morning basketball practice,

he asked the members of his high school team to be his subjects. He measured each of their heart rates before and after a set of exercises. Which change would most reduce the bias of his experimental design?
Biology
1 answer:
algol133 years ago
4 0
What would most likely reduce the bias present in Elias' experimental design would be to not ask just the members of his high school team to be the subjects because they represent a very specific group of people. It would be much better to use a random group of people and have them do the same thing. 
You might be interested in
Do the chromatids split apart before or after they line up in the center in mitosis?
Sindrei [870]
I think the answer is 1. after
6 0
2 years ago
How long did it take to stop the flow of oil from the Deepwater Horizon incident?
Fantom [35]
It took BP 87 days to stop the flow of oil they monitor it for 48 hours to make sure it was going to hold
4 0
3 years ago
TWO factors that would increase the carrying capacity for a secondary consumer. Explain
polet [3.4K]

u are awesome have a good day

Explanation:

ok mam u are awesome that is nice

6 0
3 years ago
An example of an acute disease is:
Aleks [24]

Answer:

[B]  A middle ear infection.

Explanation:

An example of an acute disease is  a middle ear infection. Acute diseases include broken bones, viruses like the flu and rotavirus, and infections like pink eye and urinary tract infections. Sometimes acute diseases can be severe and require emergency medical attention.

[RevyBreeze]

7 0
2 years ago
Read 2 more answers
The niche of a species is the functional role of that species in the community that it belongs to. Species that have narrow nich
svp [43]
<h2>Specialists and Generalists </h2>

Explanation:

Niche is the role played by an organism that how it lives in an environment

Specialists

  • Species that have narrow niches are called specialists and this type of niche is called realized niche
  • It is narrow because of the presence of ecological barriers and is the space where a species actually lives

Generalists

  • Species that have broad niche are called generalists and this type of niche is called fundamental niche
  • It is larger than the realized niche due to absence of ecological barriers
  • It represents all the environmental conditions where a species is able to live or can live

5 0
2 years ago
Other questions:
  • Drag each tile to the correct location on the table.
    5·2 answers
  • Describe a pseudounipolar neuron. how does it differ from a bipolar neuron and an anaxonic neuron? where may a pseudounipolar ne
    5·1 answer
  • 1.What is the scientific consensus on the Big Bang Theory?
    7·2 answers
  • Please help Im confused :(
    9·2 answers
  • Is lactic acid fermentation used to make bread,beer,and wine?
    12·2 answers
  • Which point in this body of water is most likely to be in the aphotic zone ?
    8·1 answer
  • what are the chances that a hybrid dimpled woman and a pure dimpled cheek man will have a child without dimples?
    11·1 answer
  • How long is the lunar cycle?<br> 14 days<br> 24 hours<br> 0 365 days<br> 27.3 days
    5·2 answers
  • Wing text to answer the question.
    15·1 answer
  • 7.1 Study Guide-What is Life and The Cell Theory
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!