Ecology Unit 1 Formative Review

Freshwater bodies of water can be classified as lentic or lotic systems. Categorize the following correctly.

Groups:

(a) Lentic Systm

,

(b) Lotic System

• lakes

• ponds

• wetlands

• streams

• rivers

This term refers to a lakes ability to support plant and animal life.

• Productivity

• Eutrophication

• Trophic Level

• Turbidity

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

TSI stands for

• Trophic State Index

• Turbidity State Index

• Turbidity Stream Intel

• Trophic State Intel

What are the three values that help us classify a lake's TSI?

• Transparency, chlorophyll-a, & total phosphorus

• Turbidity, amount of algae, & nitrogen levels

• Transparency, amount of algae, & total phosphorus

• Turbidity, algae blooms, & oxygen levels

True or False. There are three values that get averaged to calculate a lake's TSI.

• True

• False

Using the tool in the picture provided helps us calculate a lake's....

• turbidity

• algae levels

• chlorophyll-a levels

• oxygen levels

The tool in the picture is referred to as a ________.

When using a Secchi disk, you _____ together two readings: distance at which the disk disappears and the distance at which it reappears.

• add

• multiply

• average

• you keep the two readings separate

Place the turbidity tube readings from least (#1) to most turbid (#3.

• 56.8

• 45.1 cm

• 52.3 cm

Higher cholorophyll-a in a lake typically resembles ________ algae amounts.

• higher

• lower

• same

• there is no link between the two

Tags

NGSS.MS-LS1-6