Monday, January 1/23/12

Science

Study Guide:  Chapter 15, Section 3

1. natural selection- a process by which characteristics that make an individual better suited to its environment become more common in a species.
2.  adaptation- a characteristic that helps an organism survive or reprouce in its environment.
3.  niche-  the role of an organism in its habitat or how it makes its living.

4.  Is the following sentence true or false?  The struggle between organisms to survive in a habitat with limited resources is called _________________________.
5.  Is the following sentence true or false?  Specializing can reduce competition.

6.  An interaction in which one organism kills and eats another is called ____________________.  The organism that does the killing is the ________________________.  The orgnism that is killed is the ___________________________. 

7.  Is the following sentence true or false?  
If a prey population decreases the population of its predator probably will decrease as well.

8.  Complete and compare/contrast table.

Types of Symbiotic Relationships

Type of Relationship                   How Species Are Affected
Mutualism                                 _____________________________________
________                                One species benefits; the other species is unharmed.
________                                One species benefits; the other species is harmed. 

9.  In a parasitic relationship, the organism that benefits is called a(n) ____________________________, and the organism it lives on or in is called a(n) ___________________________.


R180

Language Arts

Lesson 12 Spelling Words:

Math

Converting Metrics

K  H  D  Gram   D  C  M
               Liters
               Meters

kilo- thousands
hecto- hundreds
deka- tens
deci- tenths
centi- hundredths
mili- thousandths


Kids have dropped over drinking cold milk.


Resouce
 
Bellringer: (P,S, &R pp.57)

Root Word: equ

Directions:  Look up the definitions for the words below in a dictionary, and write the defitions on the lines.

1. equality:  ________________________________________________________________________

2.  unequal: ________________________________________________________________________

3.  inequality: ______________________________________________________________________

4.  equation: _______________________________________________________________________