Answer:
Genetic variation is caused by:
mutation
random mating between organisms
random fertilization
crossing over (or recombination) between
chromatids of homologous chromosomes during
meiosis
Explanation:
mitochondria is ur answer
Answer: Introduced species or exotic species
Explanation:
The introduced species is also called as an exotic species. The exotic species is a species which is not native to a particular location or area but is introduced by humans either accidentally or with the desired species. Such species can be invasive means, it can compete with the native species for resources and can reduce the population of native species.
The given situation is an example of introduction of new species. The weeds are introduced exotic species which could have come along with the desired variety of wheat required for farming in the prairies.
<span>The type of test that Brent is undergoing is an electroencephalogram test, or known as an EEG. Basically the test measures the electrical activity, or brain impulses, in the brain given off by brain cells. This is accomplished by using electrodes attached to the scalp that feed the data to the EEG recorder.</span>
Answer:
Matter is made up of small particles that are too small to be seen, even with a powerful microscope.