Answer:
Oviparous
Explanation:
The most common reproductive strategy in marine ecosystems is oviparity. 43% of cartilaginous fish are oviparous.
The answer must be C, the hawk and owl will have less food.
As A isn't related to any, B wouldn't effect the snake and D also wouldn't effect the snake.
Outer most layer of the Earth is the crust
Answer:
The culture might not be stained properly or the culture might be too old.
Explanation:
Gram staining is done to differentiate between gram-positive and gram-negative bacteria according to the difference in their cell wall. In gram staining, the gram-positive bacteria appears violet and gram-negative bacteria appear pink in color.
Therefore if a pure culture contains have both red and purple cocci that it can be concluded that the gram stating was not done properly like too much destaining was done or too much safranin was used or maybe the culture is too old so that cell wall of some bacteria degrades.
