Tuesday, January 24, 2012

Science

Chapter 15, Section 3 : Study Guide Review

Chapter 15, Section 2 Study Guide:

Type of Study
1.  direct observation                      
b.  counting all the crabs that live in a tide pool.

2.  indirect observation                 
a.  counting the number of nesting sites in an area.

3.  sampling
d.  counting the number of red maples in a small area to estimate the number in the entire forest.                                     
4.  mark-and-recapture study
c. counting hawks with and without bands on their legs.

5.  How can populations change in size?
Populations can change in size when new members gain the population or when members leave the population. 

6.  What is the major way in which new individuals are added to a population?  By birth.

7.  The number of births in a population in a certain amount of time is the death rate.

8.  What is the major way that individuals leave a population?  By death.

9.  The number of deaths in a population in a certain amount of time is the death rate.

10.  Is the following sentence true or false?  If the birth rate is greater than the death rate, population size decreases.  FALSE...it's increases.

11.  immigration-  b. moving into a population.
12.  emigration- a. leaving a population.

13.  Is the following sentence true or false? 
Population density is the number of individuals in a specific area.  TRUE.

14.  An environmental factor that causes a population to decrease is called a(n) limiting factor.

15.  What are some limiting factors for populations?  Food, water, space, and weather conditions.

16.  The largest population that an area can support is called its carrying capacity.

17.  Is the following sentence true or false?  Space is often a limiting factor for plants.  TRUE.

18.  What are some ways weather conditions can limit population growth?  A floor because it will cover the land.

R180

Language Arts

Math

Converitng Metrics

• Find the unit of measurement on the number.
• Move the decimal to the requested unit of measurement.

Resouce
 
Bellringer: (P,S, &R pp.58)

Root Word: equ

Directions:  Write a sentence using the words below on the lines.

1. equality:  ________________________________________________________________________

2.  unequal: ________________________________________________________________________

3.  inequality: ______________________________________________________________________

4.  equation: _______________________________________________________________________