Aquatic Ecosystems Quiz

What is the main difference between freshwater and marine ecosystems?

• Color of the water

• Temperature of the water

• Depth of the water

• Salinity of the water

Which of the following is an example of a freshwater ecosystem?

• Lakes

• Ocean

• Glacier

• Desert

What is an estuary?

• A type of mountain range

• A type of desert landscape

• A partially enclosed water body with one or more rivers or streams flowing into it, and with a free connection to the open sea.

• A type of tropical fruit

Which of the following is a characteristic of marine ecosystems?

• Presence of saltwater and diverse marine life

• Presence of saltwater and limited marine life

• Absence of saltwater and diverse marine life

• Presence of freshwater and limited marine life

What is the importance of freshwater ecosystems?

• Freshwater ecosystems only support a limited number of species

• Freshwater ecosystems have no impact on human livelihoods

• Freshwater ecosystems are important for providing habitat for diverse species, regulating water flow, and supporting human livelihoods.

• Freshwater ecosystems have no importance

Which of the following is a threat to aquatic ecosystems?

• Deforestation

• Pollution

• Global warming

• Soil erosion

What is the impact of overfishing on marine ecosystems?

• Overfishing has no impact on marine ecosystems

• Overfishing increases fish populations and improves food chains in marine ecosystems

• Overfishing can lead to the depletion of fish populations, disruption of food chains, and loss of biodiversity in marine ecosystems.

• Overfishing leads to an increase in biodiversity in marine ecosystems

Why do the government plant more mangrove trees in ksa?

• because it gives nice flower

• it can live in the salty ecosystem

• it gives delicious fruit

• it is too small

We observe different types of dolphin that one can live in the ocean, while the other lives in the Ozone river and that mean we have

• genetic diversity

• Eco diversity

• biodiversity

This represent

• Biodiversity

• Ecosystem Diversity

• Genetic diversity