WorksheetsCh 11 Environmental Science Putman
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
________- Broad term used to describe the diversity of genes and species and ecosystems in a region.
a)
Biodiversity
b)
Gene diversity
c)
species
d)
Population
2.
______- The death of a species, the elimination of all the individuals of a particular kind.
a)
Die off
b)
Exception
c)
kill off
d)
Extinction
3.
_____ Diversity- Term used to describe the number of different kinds of genes present in a population or a species.
a)
Gene
b)
Genetic
c)
DNA
d)
Species
4.
Several things influence the genetic diversity of a population such as _______.
a)
Mutations
b)
Migration
c)
Population Size
d)
All of the others
5.
______Diversity- Measure of the number of different species present in an area.
a)
genetic
b)
Gene
c)
Species
d)
population
6.
_____ Diversity- Measure of the number of kinds of ecosystems present in an area.
a)
Ecosystem
b)
Genetic
c)
Species
d)
Gene
7.
______- This activity destroyed much of the forested land and returned other forests to an earlier successional stage, which resulted in the loss of certain animal and plant species.
a)
Floods
b)
Deforestation
c)
Fires
d)
Timber cutting
8.
_______ clear-cutting- Can be very destructive on sites with steep slopes or where regrowth is slow.
a)
Timber
b)
Lumber
c)
Hillside
d)
Patchwork
9.
______- Clear-cut sites where natural reseeding or regrowth is slow may need to be replanted with trees.
a)
restoration
b)
lumberjacking
c)
Hillside cutting
d)
Reforestation
10.
_____ Harvesting- Some species of trees is also possible but is not as efficient or as economical as other methods, from the point of view of the harvesters.
a)
Tree
b)
Lumber
c)
Selective
d)
Saw Mill
11.
_______- Process of converting arid and semiarid land to desert because of improper use by humans.
a)
Clear cutting
b)
Arid land restoration
c)
Reforrestation
d)
Desertification
12.
________- Any animal that can be captured or killed is used for food. Meat from wild animals is often referred to as bush meat.
a)
Trapping
b)
No kill
c)
Road kill
d)
Bush Meat
13.
____ Species- Those that have such small numbers that they are in immediate jeopardy of becoming extinct.
a)
Endangered
b)
Threatened
c)
Extinct
d)
Harvesting
14.
_____ Species- Could become extinct if a critical factor in their environment were changed.
a)
Threatened
b)
Endangered
c)
Critical
d)
Extinct
15.
______- Refers to any set of physical features that conceals or protects animals from the elements or enemies.
a)
Cover
b)
Camoflage
c)
Counter color
d)
Cover camoflage
16.
_____ ________- Habitat modifications made to enhance the success of a species.
a)
Habitat Management
b)
Forest management
c)
Species management
d)
extinction management
17.
____ Birds- Can fly thousands of kilometers and can travel north in the spring to reproduce during the summer months and return to the south when cold weather freezes the ponds, lakes, and streams that serve as their summer homes.
a)
Migratory
b)
small
c)
big
d)
travel
100 %
