STAAR Review 1
Natural or Human?
Primary or Secondary?
Food Webs
STAAR Review 2
100
Biotic or abiotic: sunlight
abiotic
100
Volcanoes erupting
natural disaster
100
True or False: Secondary succession is slower than primary succession
False
100
Which animal is classified as an omnivore?
Black bear
100
Which of these observations is an indication that a chemical reaction has occurred?
A Steam forms above boiling water.
B A solid forms when a clear solution is frozen.
C A solid forms when two clear solutions are mixed.
D Sugar crystals form on the sides of a boiling pot of sugar water
C. A solid forms when two clear solutions are mixed?
200
What does Newton's 1st Law state?
An object in motion stays in motion and an object at rest stays at rest unless acted upon by an unbalanced force
200
Reforestation
human intervention
200
The first species to colonize a newly formed island
pioneer species
200
Which statement best describes the flow of energy as it passes through the organisms in the pyramid?
A. Energy flows through the organisms from bottom to top and increases at each level
B. Energy flows through the organisms from the bottom to top and decreases at each level
C. Energy flows through the organisms from top to bottom and increases at each level
D. Energy flows through the organisms from top to bottom and decreases at each level
B. Energy flows through the organisms from bottom to top and decreases at each level
200
Is this chemical equation balanced or unbalanced?
Balanced
300
Which body system contains blood cells?
Circulatory system
300
Overexploitation
human intervention
300
Which of these events can trigger primary succession?
A. Deforestation
B. Volcanic eruption
C. Heavy rain
D. A pond drying up
B. Volcanic eruption
300
If additional wrens are introduced into this ecosystem, there will most likely be an immediate decrease in the...
A. frog population
B. snake population
C. falcon population
D. grasshopper population
D. grasshopper population
300
What type of elements are found on the "staircase" on the periodic table?
metalloids
400
Name 1 part of the Cell Theory
- Every living cell came from a preexisting cell
- Cell is the basic unit of life
- All organisms are made of one or more cells
400
Avalanches
natural disaster
400
Name 3 events that can cause secondary succession?
What are fires, hurricanes, floods, tornadoes, city development, etc.?
400
A chemical pesticide was applied to this ecosystem and decreased the mouse population. Which of the following would most likely occur first due to this change?
A. The amount of grass would decrease
B. The snake population would increase
C. The rabbit food supply would increase
D. The snake food supply would increase
C. The rabbit food supply would increase
400
How long is one Lunar cycle?
29.5 days
500
Name 3 historical science figures we have discussed this year
Sir Isaac Newton, Gregor Mendel, Charles Darwin, Hertzsprung OR Russell
500
Stock Market (think about it...)
neither
500
What is the difference between primary and secondary succession
Primary is the establishment of life where life has never existed, secondary is the succession where life has existed
500
If the kelp contained 5000 energy, how much energy would the sea ducks consume?
5000 -> 500 -> 50 -> 5 (10% transfer at each level)
500
What is the purpose of a dichotomous key?
help identify organisms by asking yes or no question