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A selective pressure is any reason for organisms with certain phenotypes to have either a survival benefit or disadvantage.
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Answer:
Photosynthesis adds carbon dioxide to the air
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After boiling the cell would have lost its water (dehydrated).It appears like a deflated balloon. Now it needs water to regain its original form or swell. When it is placed in hypotonic med. the water from the medium enters into the cell .Hence it regains its size. The process occurred here is called “endosmosis”. This is due to a concentration gradient of water between the medium and the cell. Excess water enters into the cell which has less water or say no water at all.
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Answer:
Exponential population growth: When resources are unlimited, populations exhibit exponential growth, resulting in a J-shaped curve. When resources are limited, populations exhibit logistic growth. In logistic growth, population expansion decreases as resources become scarce.
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What are scavengers in the savanna?
Image result for Explain what the relationship is between predators and scavengers in the African savanna.
Vultures, hyenas, jackals, and even predators like lions often scavenge food.
This lioness had just killed a full-grown buffalo. ...
Hyenas are the undisputed top scavengers of the African savanna, with specialized jaws that can crush bones. ...
Black-backed jackals are often spotted at the scene of a lion kill.
