Speciation can be difficult to observe in nature, but the it is hypothesized that the following occurs in a allopatric speciation's intermediate stage:
(1) closely related species are differentiated through geographic variation (2) then there's reduced fertility in one a geographic race of the species (3) and in the geographic race of subspecies that are to become species.
Were preserved remains of ancient organisms
Answer:
an unhealthy climate unhealthy habits unhealthy foods. 2 : not in good health : sickly, diseased unhealthy animals. 3a : risky, unsound an unhealthy economy. b : of a harmful nature : bad, injurious unhealthy levels of lead.
Explanation:
hope this helps
Answer:
The cell will swell and burst because, when the cell is swelling it wont have an effecton the solute concentration outside the cell.
In a tissue-culture lab, a scientist prepared somatic embryos of a banana. He wants to induce root development. cytokinins <span>should he apply to achieve this.</span>