Answer:
Eutrophication
Explanation:
When a body water lies in close proximity to any agricultural land, there are high chance of it receiving nutrient from the surrounding land in rainy season. The rich nutrient run off from these land parcels, mixes with the water of existing water body and make it extremely rich in growth nutrients. The excess of nutrients causes uninterrupted growth of algae and lead to algal boom. Oxygen in such water bodies depletes at a fast rate due to the increased productivity thereby harming the water animals living in it.
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The answer is B.) Insecta.
The correct answer is sharp claws for climbing trees.
Animal adaptations are behavioral and physical adaptations, which assists animals to thrive and survive in their local habitats. When animals thrive in a habitat for a specific time, they ultimately establish mannerisms and physical characteristics, which assist them to work better in that surrounding.
The ground squirrels in African savannas live in underground burrows that they dig with the help of their sharp claws. The ground squirrels utilize their claws to form a better grip as they climb trees to reach and collect seeds. The claws also function as a defense mechanism to safeguard themselves and their young when they are attacked or threatened.
