Correct answer: D). Contradicted the accepted belief in spontaneous generation
Rudolf Virchow's and Louis Pasteur's contradicted the theory of spontaneous generation, which state that living organism originates from non-living matter.
According to this theory, it was believed that dust creates fleas, maggot arises from the rotten meat, wheat and bread left in the dark corner produces mice.
Louis Pasteur was the first scientist to prove that cells originate from the pre-existing cells.
Rudolf Virchow proposed that Omnis cellula e cellula, which means each cell comes from another cell.
Osseous tissue is the tissue on the inside of the bone
Answer:
Hey, its lymphatic system - the one which Contain Immunity parts in your Body System.
Answer:The human population is increasing, and historically, as human population has increased, species have gone extinct. As human population increases, and also destroy more habitats to pay for higher standards of living, the probability of mass extinction increases.
Explanation:
The right answer is 3. Spruce.
Sexual reproduction has the advantage of producing genetic diversity in the offspring (as we see it for example in humans) due to the crossing of two gametes of two different individuals as well as the genetic recombination that occur before fertilization.
Of the four propoitions, only one reproduces sexually, and that is the spruce.
The spruce is part of the genus Picea which includes conifers comprising about fifty species.