The mass extinctions that occurred 250 million years ago and 65 million years ago may have been due to gradual process or Catastrophic events.
Plant cells have what is perhaps the most complex outer coverings. Plant cell walls are made largely of cellulose which forms strong, highly rigid, almost indigestible coverings that protect the cell and gives it shape.
Answer:
a) not accompanied by purging
Explanation:
- If a person has episodes of uncontrollable eating then the person is said to have a problem of binge eating.
- When a person shows a tendency of frequent and recurring binge eating then the person is said to have binge eating disorder.
- Binge eating disorder is differentiated from another similar problem which is known as bulimia nervosa.
- In the case of binge eating disorder a person has a tendency of binge eating but without purging, unlike bulimia nervosa where purging is a characteristic feature.
- Purging is an attempt to get rid of the excess food consumed and this attempt is not made in case of binge eating.
In your cells, cellular respiration happens in a special organelle called the mitochondrion. But as mentioned, prokaryotic organisms don't have organelles. Rather than taking place in the mitochondrion, cellular respiration happens either in the cytoplasm or across the plasma membrane of the cell.
Electricity because most cities use electricity. and a generator would be to loud in a city
