WorksheetsBiology Extra Credit
Total questions: 10
Worksheet time: 9mins
What is the definition of an ecosystem?
A: An un-natural unit consisting of plants, animals, and mico-organisms in an area functioning together with the non-living physical factors of the environment.
B: An natural unit consisting of plants, animals, and mico-organisms in an area functioning together with the non-living physical factors of the environment.
C: An natural unit consisting of plants, animals, and mico-organisms in an area functioning separately from the non-living physical factors of the environment.
Changes in WHICH of the following factors will result in a change of an ecosystem's structure and composition? Check all that apply.
A: nutrient availability
B: temperature
C: number of trees
D: light intensity
Sunlight, temperature, precipitation, water or moisture are all abiotic(non-living) components to an ecosystem. Which of the following is also an abiotic component of an ecosystem?
A: soil/water chemistry
B: carnivores
C: Plants
D: Microbes
Which cell feature is responsible for making proteins?
A: lysosomes
B: ribosomes
C: mitochondria
What is the name of the jelly-like substance that is inside the cell?
A: cytoplasm
B: ectoplasm
C: cytokinesis
What cell feature is responsible for powering the cell?
A: endoplasmic reticulum
B: golgi apparatus
C: mitochondria
Where in the cell does DNA replication take place?
A: ribosomes
B: nucleus
C: nucleolus
What is one major feature that plant cells have that animal cells do not?
A: lysosome
B: cell wall
B: cell wall
The plant cell structure where photosynthesis takes place is called...
A: chloroplast
B: chlorophyll
C: vacuole
Who is the Principal of The Dalles High School
Mr Evans
Mr Williams
Mr Morgan
Mrs. Moore
