STAAR Biology Review

Many hypothesis were tested and scientist decided that humans evolved because of natural selection. 

• Hypothesis
• Theory
• Law
• Fact

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4

An observation or prediction that can be tested.

• Law
• Theory
• Hypothesis
• Fact

Tags

NGSS.HS-PS1-2

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound

 In a controlled experiment, the variable that is changed to test the hypothesis is called the –

• Controlled Variable
• Responsive Variable
• Dependent Variable
• Independent Variable

Khaleel is testing how the use of stress balls during testing affects a student's test score.  The students' average test scores who used the stress balls is the __ variable.

• dependent (measured)
• constant (same)
• independent (changes)

Tags

CCSS.6.EE.C.9

An organism that obtains energy by eating other organisms.

• Consumer
• Producer
• Decomposer
• Detriov

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-4

Organisms that break down dead or decaying organisms.

• Decomposers
• Producers
• Consumers

Tags

NGSS.MS-LS2-3

Which is the correct order of tropic levels? 

• Primary Consumer, Producer, Secondary Consumer, Tertiary Consumer
• Tertiary Consumer, Primary Consumer, Secondary Consumer, Producer 
• Producer, Primary Consumer, Secondary Consumer, Tertiary Consumer
• Quaternary Consumer, Tertiary Consumer, Secondary Consumer, Producer  

Tags

NGSS.MS-LS2-3

The efficiency of energy transfer from a lower trophic level to the next highest level is roughly

• 1%
• 10%
• 100%
• 1000%

Tags

NGSS.HS-LS2-4

The unique position that a species has in the physical use of its habitat and in its function (job) within an ecosystem  

• producer
• biotic factors
• ecosystem
• niche

Tags

NGSS.MS-LS2-4