Answer:
D. Pangaea
Explanation:
He called this movement a continental drift. Wegener was convinced that all of Earth's continents were once part of an enormous, single landmass called Pangaea. Wegener, trained as an astronomer, used biology, botany, and geology to describe Pangaea and continental drift.
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The reason is that something changed that caused them to be unsuccessful in their environment.
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One consequence of the overpopulation of deer would be a reduced diversity. Deer tend to eat only some types of plants, so those plants are removed, and other types of plants stay. Hope this helped! Brainliest is always appreciated.
Answer: The number of chromosomes in the wolf's body cells is 78 while the gametes has 39
Explanation:
Since each body cell under only mitosis to yield two daughter cells with equal number of chromosome as the parent cell (i.e diploid number, 2n) while sex cells undergo meiosis to yield four daughter cells with half the number of chromosomes as the parent cell (i.e haploid number, n); thus, the wolf's body cells has 78 chromosomes while the gametes has 39 chromosomes.
Upwelling is a process in which the deep and cold water rises to the water surface and not sea surface. This process plays an important role in maintaining balance in our ecosystem as it boost the marine productivity by washing the nutrients from deeper waters to the photic layer where photosynthesis is promoted.
