3 Drag the tiles to the boxes to form complete the pairs.
Match the given changes in the ecosystem to their causes.

Explanation:

The correct matches are:

1. Greenhouse gases - Trapping of heat on Earth

When we talk about greenhouse gasses we usually just mean CO2 and methane since they have properties that enable them to trap the heat in the atmosphere. The more we pump these gasses into our atmosphere, the more heat will get stuck and the temperature of Earth will rise and that will lead to many ecosystems dying out.

2. Chemicals released in the river - Unsafe drinking water

When we release chemicals in a body of water either by accident or by not following strict regulations we run the risk of polluting the drinking water and making it unsafe for consumption. This can be because of pesticides or dangerous chemicals from factories or other places.

3. Excess usage of land for agriculture - Fragmentation of forests

When we make more land for our agricultural needs we need to remove forests. During the deforestation, they are if not destroyed then mostly destroyed and this is not something that happens only some times. This is a constant process all around the world and most of this land is being used to feed the animals that we kill for food and not food that we consume directly.

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explanation:

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many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: