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Question 5 - Scientific Methods
5. A scientist testing the affects of a chemical on
apple yield sprays an orchard with the chemical.
A second orchard does not receive the chemical.
In the fall, the number of apples harvested from
each forest is counted. Which of the following is
the independent variable (IV) in the experiment?
A. The chemical
B. The number of apples
C. The first orchard
D. The second orchard
Question 6 - Ecosystem
6. All the different species of an
ecosystem are referred to as the:
A. Biome
B. Community
C. Population
D. Abiotic factors
Question 7 - Ecosystem
7. Which
of the following would be a biotic
factor in an ecosystem:
A. Soil
B. Bacteria
C. Rainfall
D. Temperature
Question 8 - Ecosystems
8. Describe the 4 types of symbiotic
relationships. Remember to write full
sentences.
https://encrypted-tbn3.google.com/images?q=tbn:ANd9GcT50PtbPkBshZ88deb5h8TdxJNBcNvVY3gIlsrAJb103S6VNDq0Ig
https://encryptedtbn0.google.com/images?q=tbn:ANd9GcTXtmpJk2G0B3LJuJD33wh8IlsCZtl19khkBNxZEZcICT3VS7g2
https://encrypted-tbn2.google.com/images?q=tbn:ANd9GcT-XQruM9SJbYuOPwA6Of3CcPcLztGf0wxnlLqPbAodFsmsC0rA
Question 8 – Answer - Ecosystems
Type of
relationship
Species
harmed
Commensalism
Parasitism
Mutualism
Predation
= 1 species
Species
benefits
Species
neutral