2022:D 2-2 & 2-3 Test

The ____________________________ states that energy cannot be created or destroyed.

• law of consvervation of matter
• law of conservation of energy
• matter
• energy

Which aquatic ecosystems are most appropriately described as the “nurseries of the sea”?

• estuaries
• wetlands
• deep oceans
• costal oceans

Which adaptation would best help a lily pad survive in the moving water of a stream?

• long roots
• large leaves
• sweet scent
• white flowers

The diagram below shows the four zones of the ocean. Which part of the diagram represents the intertidal zone?

• zone 1
• zone 2
• zone 3
• zone 4

What are the four ocean zones of a marine ecosystem, from most shallow to deepest?

• intertidal, neritic, bathyal, abyssal
• abyssal, neritic, intertidal, bathyal
• neritic, intertidal, bathyal, abyssal
• bathyal, abyssal, intertidal, neritic

Which of the following is the best definition of a wetland?

• large body of salt water
• large body of fresh water
• water that flows from a higher elevation to a lower elevation
• an area of land that is saturated by water at least part of the year

Wetlands are natural parts of watershed systems. In addition to having many natural processes, wetlands can also benefit humans. Which of the following is a way that wetlands can help humans?

• protect nearby land from flooding
• increase erosion near shorelines
• decrease biodiversity where humans live
• increase flooding in adjacent towns and cities

Which of the following is an abiotic factor that can affect the health of a watershed ecosystem?

• water temperature
• the density of plant life
• the presence of bacteria
• population of humans living nearby

An estuary is part of a watershed system. Which of the following is the best definition of an estuary?

• a large body of salt water
• a large body of fresh water
• water that flows from higher elevations to lower elevations
• a mix of salt and fresh water where a river meets the ocean

Which answer choice describes a way in which estuaries benefit humans?

• Estuaries filter the fresh water that humans drink
• Estuaries contain large mammals, which humans eat.
• Estuaries provide breeding grounds for many fish, which humans eat.
• Estuaries contain coral reefs, where humans can go snorkeling and scuba diving.