QUESTION:Which of the following can typically decrease genetic variation?
toxins
predator-prey relationships
competition
new habitat
disasters
increased food supply
ANSWER:
1. toxins
2.predator- prey relationships
3.competition
4.new habitats
5. disasters
The <u><em>correct answer</em></u> is:
He needs to select a more representative sample.
Explanation:
Choosing students from the basketball team for the sample he uses on a study of heart rates and exercise will be a biased sample. This is because students on the basketball team are potentially healthier than other students, which means that exercise will not have a large an effect on their heart rate as it would if they were not as healthy and not as physically fit.
In order to reduce the amount of bias, he should choose students from different groups throughout the school.
<h2>Imagery </h2>
<h3>is best defined as the all-encompassing reproduction of a person or thing. Imagery, in a literary text, is an author's use of vivid and descriptive language to add depth to their work.</h3>
Explanation:
<h2>#CAREYINGTOLEARN❤️❤️</h2>
Answer:the food went down the evacula instead of the travacula
Explanation:
Answer:
a hypothesis is an educated guess or an assumption made before any of the research has been done.
a theory is a substained explanation for an occurrence.
a scientific law describes what has happened.
Explanation:
