Biodiversity, is a great natural resource that must be protected. The introduction of forgeign species to an environment can cause the native species living there to decrease in number or to become extinct. what is another major threat to world wide diversity? A) Prohibiting killing of endangered species
B) Setting land aside for endangered species
C) Allowing poisonous chemicals to enter food webs
D) Limiting quantities of fish caught in Earths oceans

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

In a leaf, dermal tissue a) stores food b) stores carbon dioxide c) releases oxygen into the air d) transports water from the roots

The recycling of water from the ground via runoff or transpiration through plants back into the atmosphere is known as part of the question 6 options: hydrogen cycle nitrogen cycle transpiration water cycle