Questions

SCI Science 170 - Unit 07: Natural Occurrences That Affect Earth’s Ecosystems

Your Mark is: 58% F Hi Paige, Looks like you had some trouble with the concept of succession. Please revisit and read about this in your lesson. Lesson due: Nov.16th

Your answers have been submitted to your teacher and cannot be changed

1) The gradual and continual process by which one habitat is replaced by another in known as

a.) Recession

b.) Succession

c.) Ecology

d.) Regression

Correct!

2) Two types of succession include pond and river.

True

False

Correct!

3) Late succession land plants are larger and live for a longer period of time.

True

False

Correct!

4) Which of the following is an intermediate succession plant?

a.) Peaches

b.) Apples

c.) Raspberries

d.) Apricots

Incorrect

Find the section on succession and read it to find the answer.

5) Which of the following is not an example of early succession plants for the temperate deciduous forest?

a.) Chicory

b.) Queen Anne's Lace

c.) Thistle

d.) Spruce

Incorrect

6) Which of the following is not an example of late succession plants for the temperate deciduous forest?

a.) Oak

b.) Goldenrod

c.) Maple

d.) Beech

Incorrect

7) Plants that grow entirely underwater are called _____________________.

a.) Emergent

b.) Inverted

c.) Moss

d.) Submergent

Correct!

8) It is not possible for a pond to ever disappear due to the water cycle.

True

False

Incorrect

9) Which of the following is the correct order for pond succession?

a.) Pond, swamp, marsh, forest

b.) Marsh, pond, swamp, forest

c.) Pond, marsh, swamp, forest

d.) Forest, pond, swamp, marsh

Incorrect

10) If a hay field was left unattended for sixty years, describe what it would look like.

a.) It would still be a hay field

b.) Smaller trees and shrubs would outline the field with larger trees in the middle.

c.) Wildflowers would take over the field

d.) The field would be outlined in taller trees like maple and oak, the middle will have shrubs.

Incorrect

Look at the picture, and then answer the following questions (11-14) based on the knowledge learned in this lesson.

11) Where are the submergent plants?

a.) 4

b.) 3

c.) 2

d.) 1

Correct!

12) Where are the emergent plants?

a.) 4

b.) 3

c.) 2

d.) 1

Correct!

13) Which letter represents the climax species?

a.) 4

b.) 3

c.) 2

d.) 1

Correct!

14) Pines are growing further up the beach. If this pond were to eventually become land, what would be the climax species? Willow or pine?

a.) Willow

b.) Pine

Correct!

15) Which of the following events can occur quickly to drastically change an ecosystem?

a.) Volcanic Eruptions

b.) Hurricanes

c.) Flood

d.) All the above

Correct!

16) Fireweed is one of the first plants to germinate after a fire or volcano because…

a.) They are one of the only plants that can live through the heat

b.) The soil created from lava is the perfect condition for them to thrive

c.) They cannot germinate unless they are exposed to great amounts of heat

d.) None of the above

Correct!

17) Wildflowers are important plants for the succession process because they provide nutrients and organic matter to the soil when they die.

True

False

Correct!

18) What is an early succession tree grown at Mt. St. Helen?

a.) Red Adler

b.) Maple tree

c.) Chicory

d.) Thistle

Incorrect

19) Succession is no longer occurring at Mt. St. Helens because it is dominated by a climax community.

True

False

Incorrect

20) Which of the following is a good result of forest fires?

a.) They get to begin primary succession again

b.) Certain trees do not open unless exposed to heat

c.) It keeps animal populations in check

d.) Nothing good comes from a forest fire

Incorrect

21) What degree Fahrenheit must ocean water be in order for a hurricane to form?

a.) 71 degrees

b.) 92 degrees

c.) 60 degrees

d.) 81 degrees

Correct!

22) Which U.S. state suffered severe damage during the major hurricane in 2004?

a.) Florida

b.) Texas

c.) Louisiana

d.) New York

Correct!

23) Hurricanes can cause damage to oceans by the destruction of coral reefs.

True

False

Correct!

24) The removal of rock and soil be wind, water, glaciers, or waves is called…

a.) Weathering

b.) Deposition

c.) Erosion

d.) Mass wasting

Incorrect

25) Glaciers can move boulders.

True

False

Incorrect

26) If you were directed by your school to complete Offline Activities for this course, please enter the information on the Log Entry form.

If you are NOT required to complete Offline Activities for this course, please check the box below.

DATE	START TIME	END TIME	DESCRIPTION
10/29/2021	10:00 AM	01:00 PM	read more about natural occurrences that affect earths ecosystem https://sciencing.com/factors-influence-biodiversity-ecosystem-8631290.html https://www.theguardian.com/environment/2021/apr/15/just-3-of-worlds-ecosystems-remain-intact-study-suggests

3 Hour(s) & 0 Minute(s)

If you are NOT required to complete Offline Activities for this course, please check the box below.

I do not have any Offline Activities for this unit.

Correct!

Attachments

There are no attachments