Bio 1010 - General Biology » Summer 2022 » Homework 1 Assignment

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Question #1
organism that can perform both photosynthesis and cell respiration
A.   cell respiration
B.   producer
C.   oxygen
Question #2
amount of energy lost between levels of a trophic pyramid
A.   zero
B.   90% of available energy
C.   100%
Question #3
name of the process that occurs during the following equation: food molecules + O₂ → ATP energy + CO₂ +H₂O
A.   producer
B.   cell respiration
C.   carbon dioxide
Question #4
when photosynthesis occurs, plants and phytoplankton absorb ____
A.   oxygen
B.   carbon dioxide
C.   secondary consumer
Question #5
when photosynthesis occurs, plants and phytoplankton release _____
A.   carbon dioxide
B.   secondary consumer
C.   oxygen
Question #6
your trophic level when you eat chicken
A.   oxygen
B.   carbon dioxide
C.   secondary consumer
Question #7
You observe every fall that the trees in the forest lose their leaves, but by the following fall, the leaves have disappeared. The most accurate explanation for this observation would be:
A.   secondary and tertiary consumers feed on the leaves
B.   park rangers clean the forest floor each spring
C.   producers consume the leaves as a source of energy
D.   decomposers and detritus feeders use the leaves as food
E.   increasing levels of CO2 cause the leaves to decompose
Question #8
In the process of bioaccumulation, the concentration of toxic chemicals would be greatest in:
A.   the lowest level consumers
B.   producers
C.   primary consumers
D.   top level consumers
E.   decomposers
Question #9
A scientist hypothesized that her vaccine would stimulate the immune system to attack melanoma (skin cancer) tumors and reduce their growth. To test the hypothesis, 100 melanoma patients were injected with the vaccine in a saline solution (Group A) and 100 melanoma patients were injected with only the saline solution (Group B). Which was the experimental group?
A.   Group A
B.   can't determine this from the information given
C.   half of Group A and half of group B
D.   Group B
E.   all 200 patients
Question #10
Which of the following are reasons why organic fruits and vegetables would be better for your health?
A.   organic crops are grown without pesticides
B.   all of the these are benefits of organic crops
C.   organic crops have more vitamins and minerals
D.   organic crops provide more carbon for building body tissues
E.   organic crops have fewer bacteria

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