WorksheetsSTAAR REVIEW
Total questions: 16
Worksheet time: 47mins
Name
Class
Date
1.
What general conclusions could an ecologist make when contrasting pioneer with climax communities?
a)
The biomass and biodiversity increase over time.
b)
The biomass and biodiversity decrease over time.
c)
The biomass increases over time while the biodiversity remains constant.
d)
The biomass increases over time while the biodiversity decreases.
2.
The graph shows the basic changes in a forest community after a disturbance occurred. The information shown in the graph suggests that the changes in the forest community were caused by —
a)
tree-leaf replacement after a storm
b)
succession after a fire
c)
repeated habitat destruction
d)
decreased species diversity
3.
Which statement best describes the differences in species diversity between an ecosystem beginning the process of primary succession and one beginning the process of secondary succession?
a)
Species diversity is much greater in the ecosystem undergoing primary succession because that ecosystem is experiencing a longer period with a lack of competition for space.
b)
No differences in species diversity exist because both ecosystems initially lack living organisms.
c)
Species diversity is much greater in the ecosystem undergoing primary succession because the lack of soil provides a greater area for organisms to claim niches.
d)
Species diversity is greater in the ecosystem undergoing secondary succession because the soil already contains seeds and spores of various species
4.
A primary function of a plant root is to —
a)
release carbon dioxide
b)
digest organic materials
c)
absorb water and minerals
d)
produce secondary growth
5.
The stems, leaves, and reproductive organs of a plant can all be considered a part of which plant system?
a)
vascular system
b)
root system
c)
shoot system
d)
endocrine system
6.
The vascular tissue in a stem and a leaf is an adaptation for the
a)
breakdown of inorganic raw materials
b)
transport of nutrients and water
c)
regulation of auxin distribution
d)
removal of gases from the plant
7.
Gases move into intercellular spaces in leaves through openings known as
a)
stomates
b)
lenticals
c)
phloem tubes
d)
xylem tubes
8.
The processes of photosynthesis and respiration can be thought of as a cycle because —
a)
they both have the same purpose
b)
the products of one are used as the raw materials of the other _
c)
both give off oxygen to be used by animals
d)
one is used only by plants and the other is used only by animals
9.
The food web shows the flow of energy through a sagebrush-steppe ecosystem.
Which of these organisms are in a trophic level that receives a larger percentage of the energy captures by the producers than the percentage received at the bats' trophic level?
Which of these organisms are in a trophic level that receives a larger percentage of the energy captures by the producers than the percentage received at the bats' trophic level?
a)
Mountain lions
b)
Snakes
c)
Hawks
d)
Ground squirrels
10.
The 8 levels of classification, from most broad to most specific are ...
a)
Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species
b)
Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order
c)
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
d)
Order, Kingdom, Species, Domain, Phylum, Family, Class, Genus
11.
The science of classifying and naming organisms is ______________.
a)
evolution
b)
taxonomy
c)
grouping
d)
scientific names
12.
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
a)
Whip Scorpion
b)
Wind Scorpion
c)
Daddy long legs
d)
Scorpion
13.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
14.
The arrows in a food web represent...
a)
Who eats who
b)
The transfer of energy
15.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
16.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a)
There would be a decrease in the small bird population.
b)
There would be a decrease in the grass/flowers population.
c)
There would be a decrease in the mice population.
d)
There would be an increase in the grass/flowers population.
100 %
