26 Questions
Which planet is the closest to the Sun and the smallest one in the Solar System?
Mercury
Which planet is the second planet from the Sun and known for its extreme heat?
Venus
Which planet is a gas giant and composed mostly of hydrogen and helium?
Jupiter
According to the 10 percent law, how much energy is transferred from one trophic level to the next in a food chain?
10%
Which of the following substances is a decomposer?
E. Coli
What process is responsible for the water cycle?
Evaporation
What is the by-product of cellular respiration in animals?
Carbon dioxide
Which of the following is a consumer?
Wolf
Which of the following is a producer?
Algae
What is the process by which plants convert sunlight into chemical energy?
Photosynthesis
What is the purpose of cellular respiration?
To produce carbon dioxide and water
Which of the following best describes an ecosystem?
All the interacting parts of a biological community and its environment.
What is the main function of water for living things?
To provide energy and materials for growth and repair.
Which of the following is an example of an abiotic component of an ecosystem?
Water
Which of the following is NOT a need of living things?
Nutrients
What is the relationship between a remora and a shark?
Commensalism
Which of the following is an example of commensalism?
Spiders and Trees
What is the relationship between cattle and egrets?
Commensalism
Which of the following is true about primary succession?
It occurs in areas with an absence of soil
What is the purpose of a pioneer species in primary succession?
To disperse seeds by wind
What is a climax community?
A community that is not easily replaced by other communities
When does secondary succession occur?
When a community has been disturbed by both natural occurrences and human activities
Which of the following is an example of bioinvasion?
The introduction of European starlings into North America
Which of the following is NOT a resource that living things compete for?
Air
What is the term for the pattern of change in ecosystems over time?
Succession
What is the term for the first species to colonize a previously barren area?
Pioneer species
Test your knowledge on primary succession, a process that occurs in areas where there is a lack of nutrients in the soil. Learn about the characteristics of pioneer species and their adaptations to harsh conditions. Discover how these hardy plants are able to propagate and disperse through mechanisms such as long roots, easy germination, and wind dispersal.
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