Answer:
The drops of water in the clouds are heavy enough to fall.
Explanation:
Precipitation forms in the clouds when water vapor condenses into droplets of water. When the droplets are heavy, they fall to the Earth. These droplets can fall in the form of rain, hail, or snow.
The answer to this question would be: <span>B. Polyculture
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Polyculture is the practice to plant two or more different kind of crop in the field at same time. This method is better than monoculture that only plants one kind of crop. Polyculture needs more labor but it can increase the yield of the field and reduce the incidence of disease.
Answer:
c. The flea beetle can become an invasive species
Explanation:
An invasive species is a non-native species that is introduced to the population (for example by humans). Because they are non-native, they can disrupt the 'natural order' of things. I.e., they can change the function of the ecosystem, which develops naturally to result in a harmony.
In this example, the leafy surge is a good example of an invasive species, it was accidentally introduced and has grown out of control, damaging the range land. In an attempt to control this, we deliberately introduced <em>another non-native species</em>.
This is in an attempt to fix the original mistake. If it works, then great! But if the flea beetles don't actually eat the leafy spurge, and they reproduce so quickly... it means we have introduced an additional species that could also disrupt the ecosystems. This could then mean that the flea beetle becomes an invasive species.
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Sexual reproduction plays an important role in variation such that; production of unique gametes during meiosis, and the random combination of male and female gametes upon fertilization provides a large amount of variation (option A).
<h3>What is sexual reproduction?</h3>
Sexual reproduction is the process whereby a new organism is created by combining the genetic material of two organisms.
During sexual reproduction, organisms produce gametes through a process called meiosis.
This meiosis allows genetic diversity in the unique gametes produced, which causes random combination of male and female gametes upon fertilization provides a large amount of variation.
Learn more about sexual reproduction at: brainly.com/question/7464705
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