8th Grade Science Diagnostic Assessment 1
Life Processes
1. Which statement below is true of all living organisms?
A.
B.
C.
D.
The bigger an organism is the more life processes it carries out.
All organisms carry out similar life processes exactly the same.
All organisms carry out similar life processes, but at different complexity.
Only animals carry out all life processes.
2. Which list below includes ONLY life processes?
A. respiration, reproduction, walking, excretion
B. reproduction, excretion, growth, response to environment
C. movement, giving birth, response to environment, respiration
D. breathing, movement, giving birth, growth
3. Which statement below is true about life processes?
A. Nutrition means that all organisms eat food.
B. Excretion means that all organisms get rid of waste.
C. Reproduction means that all organisms have babies.
D. Respiration means that all organisms breathe.
Population Growth
4.
5. Which of the following is true of the data below?
A. There was a decrease in the milkweed bug population between days 30
and 45.
B. There was no change in the milkweed bug population between days 1
and 20.
C. There was a decrease in the milkweed bug population between days 20
and 30.
D. There was an increase in the milkweed bug population between days 45
and 60.
6. The number of organisms an environment can support depends on the availability
of environmental resources. Changes in the mule deer population in Nevada from
1900-2000 are shown in the graph below.
During which years did the mule deer population most likely experience the
greatest decrease of environmental resources?
A.
B.
C.
D.
1930-1950
1956-1960
1960-1970
1976-1980
Biodiversity
7. Which of the following classification groups includes all of the others?
A. Class
B. Phylum
C. Family
D. Species
8. Which classification group contains the greatest variety of organisms?
A. Order
B. Species
C. Phylum
D. Kingdom
9. The scientific name for the lion is Panthera leo, and for the tiger is
Panthera tigris. Which statement about them is true?
A. They are in the same genus, but a different species.
B. They are in a different genus, but the same species
C. They are in the same genus and species.
D. They are in a different genus and species.
8th Grade Science Diagnostic Assessment 1
Answer Key
Question
1
2
3
4
5
6
7
8
9
Answer
C
B
B
A
A
C
B
D
A
Key Focus Topic
Life Processes
Life Processes
Life Processes
Population Growth
Population Growth
Population Growth
Biodiversity
Biodiversity
Biodiversity