2145 unit 5

_____ from agriculture fields can contain excess nutrients, such as nitrogen and phosphorus, which can lead to harmful algal blooms in bodies of water.

• Aquatic

• Sewage

• Run off

______ conditions occur in aquatic environments when there is a lack of oxygen, which can have negative impacts on the ecosystem.

_______ treatment is necessary to remove harmful contaminants before releasing the water back into the environment.

Photosynthesis is an example of ______, where carbon dioxide is converted into organic compounds that can be used by plants and animals for energy.

Plants ______ nutrients from the soil through their root systems.

_____ from factories and industries can contain harmful chemicals and pollutants, which can negatively impact the environment.

• Effluent

• Toxicity

• Co2 fixation

Pollination is a _____ relationship between plants and insects, as the plants provide nectar and the insects help with fertilization.

_____ plants and animals are adapted to living in water environments, and play important roles in the ecosystem.

• Hypoxic

• Aquatic

• Toxic

The ______of chemicals and pollutants can have negative impacts on the environment, as well as human and animal health.

• hypoxic

• toxicity

• assimilation