WorksheetsREVIEW
Total questions: 20
Worksheet time: 35mins
Lions and cheetahs prey on wildebeests that graze in grasslands. What effect would increase in rainfall have on wildebeests, cheetahs, and lions?
The wildebeest would decrease and the lions and cheetahs would increase.
The wildebeest would increase and the lion and cheetah would decrease.
All 3 populations would increase.
All 3 populations would decrease.
An ecosystem experiences a ten year drought. As a result of the drought, many plant and animal species are not able to survive. What will be the effect on the biodiversity and sustainability of the ecosystem?
A. Increased biodiversity and increased sustainability
B. Decreased biodiversity and increased sustainability
C. Increased biodiversity and decreased sustainability
D. Decreased biodiversity and decreased sustainability
In an ecosystem, which animal would best be described as a secondary consumer?
A. Rabbit
B. Grasshopper
C. Coyote
D. Human
Where the better adapted organisms survive to pass traits along offspring?
Evolution
Natural Selection
Selective Breeding
Artificial Selection
Natural Selection means that what is changing over time?
Th inherited traits of a population
The acquired traits of population
Hair color and eye color
Attractive Features
Which of the following is not part of the cell theory?
cells must contain DNA
all living things are made from cells
cells can only come from other cells
cells are the basic unit of life
What is the gel-like substance inside of cells called?
photoplasm
cytoskeleton
photosynthesis
cytoplasm
Any process (like wind or rain) that breaks down rock & soil down into smaller piece (without changing its chemical composition)
chemical weathering
physical weathering
erosion
groundwater
What are all the factors that affect the amount of runoff?
area receives , type of soil, shape of land , vegetation
air,water,ice,dirt
type of precipitation,shape of land, vegetation.
not here
The type of succession that happens when new land is formed and there is only bare rock on the ground is...
tertiary succession
producer succession
secondary succession
Primary Succession
What are the pioneer species for primary succession?
lichens and moss
grasses and weeds
shrubs
trees
Which of the following is NOT a biotic factor?
Coyote
air
elephant
All living things or organisms in an ecosystem are
None
biotic factors
abiotic factors
