A. Natural Selection. This is because the weeds that are not resistant to it die out before they can reproduce, but the resistant ones grow to maturity and then reproduce, passing down the resistance gene. Over time, the resistance gene would become a normal thing in weeds, while the non-resistant gene would not exist anyone, since the gene could not be passed on.
The food sources available for a particular species in an ecosystem. Also space where they can live and reproduce, but food is the main factor.
The organism that gets it's energy directly from the sun is PHYTOPLANKTON.
The correct option is (2) 2 to 3.
Approximately <u>2 to 3</u> percent of the population has symptoms warranting a diagnosis of restless legs syndrome (RLS).
What is restless leg syndrome (RLS)?
- An impulse to move one's legs that is almost impossible to ignore, usually in the evenings.
- The typical positions for restless legs syndrome are sitting or lying down. It typically gets worse with age and might interfere with sleep.
- The primary symptom is a strong yearning to move one's legs.
- Moving around and getting up can help the uncomfortable feeling pass momentarily. Medication, lifestyle adjustments, or self-care practices may be helpful.
Learn more about the restless leg syndrome (RLS) with the help of the given link:
brainly.com/question/18456711
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Answer: existence of a particular species is completely wiped out from the planet
Explanation: Extinction means that the existence of a particular species is completely wiped out from the planet. It is an irreversible form of damage, since neither a single male and female species member is present to procreate. Endangered, on the other hand, means that a species is nearing extinction.
