Question 1

1. Clear-Cutting
2. Selective Cutting

Accepted Answer

What are two major methods of logging?

Question 2

Clear Cutting

Accepted Answer

The process of cutting down all the trees in an area at once.

Question 3

Selective Cutting

Accepted Answer

Cutting down only some trees in a forest and leaving a mix of tree sizes and species behind.

Question 4

quicker, cheaper, safer

Accepted Answer

Clear-Cutting is ____________ and ___________ that selective cutting. It is also ____________.

Question 5

The soil is exposed to wind and rain. Without the tree roots, the soil is more easily blown or washed away. Soil washed into streams may harm the fish and other organisms that live there.

Accepted Answer

The cost to the environment in clear-cutting is ______________________.

Question 6

less

Accepted Answer

Selective cutting is usually ______________ damaging to the forest environment than clear-cutting.

Question 7

sustainable yield

Accepted Answer

A ______________ ______ is an amount of a renewable resource such as trees that can be harvested regularly without reducing the future supply.

Question 8

sustainable forestry

Accepted Answer

________________ _____________ practice include the planting of young trees after mature trees have been harvested.

Question 9

disadvantage

Accepted Answer

One ___________ or drawback to selective cutting is the loggers must move the heavy equipment and logs around the remaining trees in the forest.

Question 10

sustainable approach

Accepted Answer

One ___________ _________________ is to log small patches of forest.  This way, different sections of forest can be harvested every year.

Question 11

Certified Wood

Accepted Answer

Means that the forest is well-managed and will have sustainable yields. It is certified by the Forest Stewardship Council.

Question 12

fishery

Accepted Answer

An area with a large population of valuable ocean organisms.

Question 13

Major fisheries

Accepted Answer

Some ____________ _______________ include the Grand Banks off Newfoundland, Georges Bank off New England, and Monterey Canyon off California.

Question 14

1. Setting fishing limits
2. Changing fishing methods
3. developing aquaculture techniques
4. finding new resources

Accepted Answer

Strategies for maintaining a sustainable yield for fisheries include:

Question 15

Fishing Limit Laws

Accepted Answer

1. Can ban the fishing of certain species.
2. Limit the number or size of fish that can be caught.
3. May ban fishing completely until the populations of fish can recover.

Question 16

Fishing Methods

Accepted Answer

1. Using a larger fishing net to allow small, young fish to escape.
2. Fishing practices are regulated by laws.

Question 17

Outlawed

Accepted Answer

Poisoning fish with cyanide and stunning them by exploding dynamite underwater have been _______________.

Question 18

aquaculture

Accepted Answer

The practice of raising fish and other water-dwelling organisms for food.

Question 19

perfect solution

Accepted Answer

Aquaculture is not a _____________ ____________. The artificial ponds and bays often replace natural habitats such as salt marshes.

Question 20

pollution; spread diseases

Accepted Answer

Maintaining the fish farms can cause __________ and _______ ______________ into wild fish populations.

Question 21

9,000

Accepted Answer

Today about _________ different fish species are harvested for food.

Question 22

monkfish, tile fish, tilapia

Accepted Answer

Today, scientists and chefs are working together to introduce people to deep-water species such as ________ and ____ _____, as well as easy-to-farm freshwater fish such as _________.

Chapter 3-2 Science

6th Grade Study Cards

Term	Definition
1. Clear-Cutting 2. Selective Cutting	What are two major methods of logging?
Clear Cutting	The process of cutting down all the trees in an area at once.
Selective Cutting	Cutting down only some trees in a forest and leaving a mix of tree sizes and species behind.
quicker, cheaper, safer	Clear-Cutting is ____________ and ___________ that selective cutting. It is also ____________.
The soil is exposed to wind and rain. Without the tree roots, the soil is more easily blown or washed away. Soil washed into streams may harm the fish and other organisms that live there.	The cost to the environment in clear-cutting is ______________________.
less	Selective cutting is usually ______________ damaging to the forest environment than clear-cutting.
sustainable yield	A ______________ ______ is an amount of a renewable resource such as trees that can be harvested regularly without reducing the future supply.
sustainable forestry	________________ _____________ practice include the planting of young trees after mature trees have been harvested.
disadvantage	One ___________ or drawback to selective cutting is the loggers must move the heavy equipment and logs around the remaining trees in the forest.
sustainable approach	One ___________ _________________ is to log small patches of forest. This way, different sections of forest can be harvested every year.
Certified Wood	Means that the forest is well-managed and will have sustainable yields. It is certified by the Forest Stewardship Council.
fishery	An area with a large population of valuable ocean organisms.
Major fisheries	Some ____________ _______________ include the Grand Banks off Newfoundland, Georges Bank off New England, and Monterey Canyon off California.
1. Setting fishing limits 2. Changing fishing methods 3. developing aquaculture techniques 4. finding new resources	Strategies for maintaining a sustainable yield for fisheries include:
Fishing Limit Laws	1. Can ban the fishing of certain species. 2. Limit the number or size of fish that can be caught. 3. May ban fishing completely until the populations of fish can recover.
Fishing Methods	1. Using a larger fishing net to allow small, young fish to escape. 2. Fishing practices are regulated by laws.
Outlawed	Poisoning fish with cyanide and stunning them by exploding dynamite underwater have been _______________.
aquaculture	The practice of raising fish and other water-dwelling organisms for food.
perfect solution	Aquaculture is not a _____________ ____________. The artificial ponds and bays often replace natural habitats such as salt marshes.
pollution; spread diseases	Maintaining the fish farms can cause __________ and _______ ______________ into wild fish populations.
9,000	Today about _________ different fish species are harvested for food.
monkfish, tile fish, tilapia	Today, scientists and chefs are working together to introduce people to deep-water species such as ________ and ____ _____, as well as easy-to-farm freshwater fish such as _________.

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