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How Does the Process of Natural Selection Compare to Society?

DIRECTIONS: Use the T-chart to compare each step of natural selection to a part of society.

Ideas: Major league sports, olympic sports, the job market etc.

Natural Selection is like…

There are too many shoppers and not enough free food samples for

EXAMPLE: trying to get free samples at COSTCO.

Overproduction

everyone.

Variation

Each shopper has their own unique traits. Some are faster, stronger

or larger than others.

Struggle to Survive

The shoppers struggle to be the first ones to the free food tables.

Survival of the Fittest

The largest and fastest shoppers get to the food before the small

and slow shoppers do. They win the race.

Inheritance of Traits

The large and fast shoppers will pass those traits on to their children

who will grow up to be large and fast shoppers

The difference is the shoppers who don’t get the free food, still get to live because they don’t need it to survive.

NOW YOU TRY!

Natural Selection is like

Overproduction

Variation

Struggle to Survive

Survival of the Fittest

Inheritance of Traits

The difference is

1

of Angle KLM.

14. The measure of Angle KLN is 72°. The measure of Angle MLN is two times the measure

M M

it.

L

Which equation and angle measure is correct?

A. 2x + x = 90°; the measure of Angle MLN is 60°.

B. 2x + x = 72°; the measure of Angle KLM is 24º.

0

C. 72 + (2x + x) = 180°; the measure of Angle KLM is 36º.

WIL 18 24

D. x + 2x = 72°; the measure of Angle MLN is 24°

Decorinou

sonnel

12. Which expression is equivalent to · (3x – 40)?

edmun gevens no ib3

A. 3x – 15

Ballettad uns no onibus.

nbnsla

c. – 15

D. X-40

13. Two parallel lines are cut by a transversal, as shown.

*

2

1

3

4

mi

5

6

7

8

Which angle forms a pair of vertical angles with Angle 6?

A. angle 1

B. angle 2

ve

mes

slob)

enim

C. angle 3

Lowon) omit

D. angle 7

to Jenise wants to find out if the students at her school would support using school

money to buy new band uniforms. Which survey will result in a random sample?

A. She asks each student on her bus.

B. She asks all band members in the school.

C. She picks every fourth student that leaves the school on Tuesday.

D. She picks 75 names at random, sends emails, and records those that return.

23.CS

0292

case

15. Which table shows a proportional relationship between the hours worked and the

money earned?

A.

Pay Rate

B.

Pay Rate

Earnings

Time (hours)

(dollars)

Time (hours)

Earnings

(dollars)

1

9

7

1

2

18

14

2

3

27

28

3

4

36

56 PO

4

C.

Pay Rate

D.

Pay Rate

elor

Time (hours)

Earnings

(dollars)

Time (hours)

Earnings

(dollars)

1

14

1

8

el

2

14

2

10

3

14

3

12

14

4

4

14

no

non

16. Tammy knits custom scarves. Last year, she charged $2.50 for each z foot of scarf.

This year, she increases the charge per half foot by 6%. How much does she earn this

year to knit a scarf that is 4 feet long?

blaga

A. $23.85

B. $22.50

C. $2.65

PRACTICE TEST 2

D. $1.35

120

17. A farmer plans to build a circular water tank, as shown,

18 feet

What is the area, in square feet, that will be covered by the tank? Use 3.14 for T.

GU-

90

A. 1,017.36 square feet

WOO-

mw

WO-

dong

B: 254.34 square feet sedem 3.14×1877 +560.52

C.) 56.52 square feet

D. 28.26 square feet

18. A wooden log is in the shape of a cylinder. It is 18 inches long and has a radius of

7 inches. Carina cuts the log perpendicular to the bases. What shape does the

plane section have?

A. a square

B. a circle oor or la

Blogniw bolsos

1 = con ancora

C. a rectangle that is not a square

03.

D. a parallelogram that is not a rectangle

ON

OS

9

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