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soldier1979 [14.2K]
3 years ago
11

hi guys so im new here and i have to help my brother with his 7th grade science i will give ten points and mark brainliest look

below to help

Biology
1 answer:
Likurg_2 [28]3 years ago
5 0
The answer is A the cactus 
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Which of the following is an example of population growth? Group of answer choices the average weight of Americans has increased
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the number of people in a town has increased by 25% in the past 5 years.

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Greenhouse effect happens when gases in the Earth's atmosphere capture the heat of the Sun. The Earth is substantially warmer as a result of this process than it would be if it didn't have an atmosphere.

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Competition  help to regulate population growth since only those who are able to obtain food survive.

Crop plants and weeds may compete for water and for sunlight.

Farmers spray herbicides early in the growing season to avoid competition between crop plants and weeds.

<h3>What is the effect of competition on population?</h3>

Competition among species help to regulate population growth by ensuring that only those who are able to obtain food survive. Thus, only fit individuals of a species survive.

Crop plants and weeds may compete for water because water enables them to carry out metabolic activities of growth and development.

Crop plants and weeds may also compete for sunlight and they need sunlight to carry out photosynthesis.

Farmers spray herbicides early in the growing season in order to avoid or reduce competition between crop plants and weeds.

In conclusion, competition among species helps to control overpopulation.

Learn more about competition among species at: brainly.com/question/9428741

#SPJ1

7 0
2 years ago
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