WorksheetsIB Biology Topic 1 Review
Total questions: 15
Worksheet time: 15mins
Which organism do the owl and the weasel compete for in the food web?
Hawk
Spider
Grasshopper
Shrew
Which of the following processes removes carbon from the atmosphere?
Plant Respiration
Auto and factory emissions
Photosynthesis
Animal Respiration
If the amount of dissolved oxygen in the light bottle used for the investigation in the lesson does not change, an explanation for this is
The rates of photosynthesis and respiration are equal
Respiration is not occurring
photosynthesis is not occurring
no photosynthesis occurred
__________ primary productivity is the total amount of energy that producers convert to chemical energy in organic molecules per unit of time.
Net
Total
Gross
Secondary
How do lichens contribute to primary succession?
Lichens decompose organic matter from animals and plants
Lichens begin to break down rock to form soil
Lichens are nitrogen fixing bacteria
Lichens convert carbohydrates into fossil fuels.
What is formed during primary succession that doesn't need to be formed during secondary succession?
pioneer species
soil
climax community
lichens
After a forest fire, an ecosystem would start regrowth through -
primary succession
secondary succession
climax community
limiting factors
Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
A tornado
A volcanic eruption
A flood
A drought
Which experiences the least change over time?
Pioneer Species
Primary Succession
Aquatic Succession
Climax Community
What term could be described as an equilibrium?
pioneer species
primary succession
secondary succession
climax community
Primary succession occurs in areas with:
very little soil
lots of soil
no soil
soil that has been disturbed
What best describes the term succession?
rapid changes that create an ecosystem overnight
gradual changes over time to fully create or restore and ecosystem
forest with the tallest trees
the rate species produce offspring
Which of the following is a characteristic of prokaryotic cells?
Presence of a nucleus
Presence of membrane-bound organelles
Circular DNA
Larger size compared to eukaryotic cells
What is the primary function of ribosomes in a cell?
Energy production
Protein synthesis
Lipid synthesis
DNA replication
In an experiment, a student measures the rate of photosynthesis by counting the number of oxygen bubbles produced by an aquatic plant. Which factor is most likely to increase the rate of photosynthesis?
Decreasing the light intensity
Increasing the carbon dioxide concentration
Decreasing the temperature
Increasing the oxygen concentration
